diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/Image.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/Image.sdsstub
index efc1ecc7b..51d67b3e9 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/Image.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/Image.sdsstub
@@ -43,6 +43,7 @@ class Image {
      */
     @Impure([ImpurityReason.FileReadFromParameterizedPath("path")])
     @PythonName("from_file")
+    @Category(DataScienceCategory.DataImport)
     static fun fromFile(
         path: String
     ) -> image: Image
@@ -60,6 +61,7 @@ class Image {
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_jpeg_file")
+    @Category(DataScienceCategory.DataExport)
     fun toJpegFile(
         path: String
     )
@@ -77,6 +79,7 @@ class Image {
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_png_file")
+    @Category(DataScienceCategory.DataExport)
     fun toPngFile(
         path: String
     )
@@ -98,6 +101,7 @@ class Image {
      */
     @Pure
     @PythonName("change_channel")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun changeChannel(
         channel: Int
     ) -> newImage: Image
@@ -119,6 +123,7 @@ class Image {
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun resize(
         @PythonName("new_width") const newWidth: Int,
         @PythonName("new_height") const newHeight: Int
@@ -145,6 +150,7 @@ class Image {
      */
     @Pure
     @PythonName("convert_to_grayscale")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun convertToGrayscale() -> newImage: Image
 
     /**
@@ -166,6 +172,7 @@ class Image {
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun crop(
         const x: Int,
         const y: Int,
@@ -193,6 +200,7 @@ class Image {
      */
     @Pure
     @PythonName("flip_vertically")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun flipVertically() -> newImage: Image
 
     /**
@@ -210,6 +218,7 @@ class Image {
      */
     @Pure
     @PythonName("flip_horizontally")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun flipHorizontally() -> newImage: Image
 
     /**
@@ -233,6 +242,7 @@ class Image {
      */
     @Pure
     @PythonName("adjust_brightness")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun adjustBrightness(
         const factor: Float
     ) -> newImage: Image where {
@@ -256,6 +266,7 @@ class Image {
      */
     @Pure
     @PythonName("add_noise")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun addNoise(
         @PythonName("standard_deviation") const standardDeviation: Float
     ) -> newImage: Image where {
@@ -282,6 +293,7 @@ class Image {
      */
     @Pure
     @PythonName("adjust_contrast")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun adjustContrast(
         const factor: Float
     ) -> newImage: Image where {
@@ -308,6 +320,7 @@ class Image {
      */
     @Pure
     @PythonName("adjust_color_balance")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun adjustColorBalance(
         const factor: Float
     ) -> newImage: Image where {
@@ -331,6 +344,7 @@ class Image {
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun blur(
         const radius: Int
     ) -> newImage: Image where {
@@ -356,6 +370,7 @@ class Image {
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun sharpen(
         const factor: Float
     ) -> newImage: Image where {
@@ -377,6 +392,7 @@ class Image {
      */
     @Pure
     @PythonName("invert_colors")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun invertColors() -> newImage: Image
 
     /**
@@ -394,6 +410,7 @@ class Image {
      */
     @Pure
     @PythonName("rotate_right")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun rotateRight() -> newImage: Image
 
     /**
@@ -411,6 +428,7 @@ class Image {
      */
     @Pure
     @PythonName("rotate_left")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun rotateLeft() -> newImage: Image
 
     /**
@@ -428,5 +446,6 @@ class Image {
      */
     @Pure
     @PythonName("find_edges")
+    @Category(DataScienceCategory.DataProcessingQImage)
     fun findEdges() -> newImage: Image
 }
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/ImageList.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/ImageList.sdsstub
index a8caafb29..b62b42fda 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/ImageList.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/image/containers/ImageList.sdsstub
@@ -49,6 +49,7 @@ class ImageList {
      */
     @Pure
     @PythonName("from_images")
+    @Category(DataScienceCategory.DataImport)
     static fun fromImages(
         images: List<Image>
     ) -> imageList: ImageList
@@ -64,6 +65,7 @@ class ImageList {
      */
     @Impure([ImpurityReason.FileReadFromParameterizedPath("path")])
     @PythonName("from_files")
+    @Category(DataScienceCategory.DataImport)
     static fun fromFiles(
         path: union<List<String>, String>
     ) -> imageList: ImageList
@@ -77,6 +79,7 @@ class ImageList {
      */
     @Pure
     @PythonName("get_image")
+    @Category(DataScienceCategory.UtilitiesQImage)
     fun getImage(
         index: Int
     ) -> image: Image
@@ -91,6 +94,7 @@ class ImageList {
      * @result indices all occurrences of the image
      */
     @Pure
+    @Category(DataScienceCategory.UtilitiesQImage)
     fun index(
         image: Image
     ) -> indices: List<Int>
@@ -104,6 +108,7 @@ class ImageList {
      */
     @Pure
     @PythonName("has_image")
+    @Category(DataScienceCategory.UtilitiesQImage)
     fun hasImage(
         image: Image
     ) -> hasImage: Boolean
@@ -115,6 +120,7 @@ class ImageList {
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_jpeg_files")
+    @Category(DataScienceCategory.DataExport)
     fun toJpegFiles(
         path: union<List<String>, String>
     )
@@ -126,6 +132,7 @@ class ImageList {
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_png_files")
+    @Category(DataScienceCategory.DataExport)
     fun toPngFiles(
         path: union<List<String>, String>
     )
@@ -139,6 +146,7 @@ class ImageList {
      */
     @Pure
     @PythonName("to_images")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toImages(
         indices: List<Int>? = null
     ) -> images: List<Image>
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Column.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Column.sdsstub
index f67f95904..e40eee3c6 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Column.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Column.sdsstub
@@ -15,6 +15,7 @@ from safeds.data.tabular.typing import DataType
  *     val column = Column("test", [1, 2, 3]);
  * }
  */
+@Category(DataScienceCategory.BasicElement)
 class Column<out T = Any?>(
     name: String,
     data: List<T> = []
@@ -130,6 +131,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQGeneral)
     fun all(
         predicate: (cell: Cell<T>) -> satisfiesPredicate: Cell<Boolean?>,
         @PythonName("ignore_unknown") ignoreUnknown: Boolean = true,
@@ -173,6 +175,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQGeneral)
     fun any(
         predicate: (cell: Cell<T>) -> satisfiesPredicate: Cell<Boolean?>,
         @PythonName("ignore_unknown") ignoreUnknown: Boolean = true,
@@ -211,6 +214,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQGeneral)
     fun countIf(
         predicate: (cell: Cell<T>) -> satisfiesPredicate: Cell<Boolean?>,
         @PythonName("ignore_unknown") ignoreUnknown: Boolean = true,
@@ -254,6 +258,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQGeneral)
     fun none(
         predicate: (cell: Cell<T>) -> satisfiesPredicate: Cell<Boolean?>,
         @PythonName("ignore_unknown") ignoreUnknown: Boolean = true,
@@ -276,6 +281,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQColumn)
     fun rename(
         @PythonName("new_name") newName: String
     ) -> renamedColumn: Column<T>
@@ -297,6 +303,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQColumn)
     fun transform<R>(
         transformer: (cell: Cell<T>) -> transformedCell: Cell<R>
     ) -> transformedColumn: Column<R>
@@ -346,6 +353,7 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("correlation_with")
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun correlationWith(
         other: Column<Any>
     ) -> correlation: Float
@@ -365,6 +373,7 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("distinct_value_count")
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun distinctValueCount(
         @PythonName("ignore_missing_values") ignoreMissingValues: Boolean = true
     ) -> distinctValueCount: Int
@@ -393,6 +402,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun idness() -> idness: Float
 
     /**
@@ -407,6 +417,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun max() -> max: T?
 
     /**
@@ -423,6 +434,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun mean() -> mean: T
 
     /**
@@ -440,6 +452,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun median() -> median: T
 
     /**
@@ -454,6 +467,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun min() -> min: T?
 
     /**
@@ -469,6 +483,7 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("missing_value_count")
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun missingValueCount() -> missingValueCount: Int
 
     /**
@@ -490,6 +505,7 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("missing_value_ratio")
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun missingValueRatio() -> missingValueRatio: Float
 
     /**
@@ -509,6 +525,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun mode(
         @PythonName("ignore_missing_values") ignoreMissingValues: Boolean = true,
     ) -> mode: List<T?>
@@ -531,6 +548,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun stability() -> stability: Float
 
     /**
@@ -549,6 +567,7 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("standard_deviation")
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun standardDeviation() -> standardDeviation: Float
 
     /**
@@ -566,6 +585,7 @@ class Column<out T = Any?>(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun variance() -> variance: Float
 
     /**
@@ -581,6 +601,7 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("to_list")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toList() -> values: List<T>
 
     /**
@@ -597,5 +618,6 @@ class Column<out T = Any?>(
      */
     @Pure
     @PythonName("to_table")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toTable() -> table: Table
 }
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Table.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Table.sdsstub
index bf52981ff..6764389dc 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Table.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/containers/Table.sdsstub
@@ -29,6 +29,7 @@ from safeds.data.tabular.typing import Schema
  *     val table = Table({"a": [1, 2, 3], "b": [4, 5, 6]});
  * }
  */
+@Category(DataScienceCategory.BasicElement)
 class Table(
     data: Map<String, List<Any?>>? = null
 ) {
@@ -71,6 +72,7 @@ class Table(
      */
     @Pure
     @PythonName("from_columns")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     static fun fromColumns(
         columns: union<Column, List<Column>>
     ) -> table: Table
@@ -90,6 +92,7 @@ class Table(
      */
     @Impure([ImpurityReason.FileReadFromParameterizedPath("path")])
     @PythonName("from_csv_file")
+    @Category(DataScienceCategory.DataImport)
     static fun fromCsvFile(
         path: String,
         separator: String = ","
@@ -110,6 +113,7 @@ class Table(
      */
     @Pure
     @PythonName("from_dict")
+    @Category(DataScienceCategory.DataImport)
     static fun fromMap(
         data: Map<String, List<Any>>
     ) -> table: Table
@@ -128,6 +132,7 @@ class Table(
      */
     @Impure([ImpurityReason.FileReadFromParameterizedPath("path")])
     @PythonName("from_json_file")
+    @Category(DataScienceCategory.DataImport)
     static fun fromJsonFile(
         path: String
     ) -> table: Table
@@ -146,6 +151,7 @@ class Table(
      */
     @Impure([ImpurityReason.FileReadFromParameterizedPath("path")])
     @PythonName("from_parquet_file")
+    @Category(DataScienceCategory.DataImport)
     static fun fromParquetFile(
         path: String
     ) -> table: Table
@@ -171,6 +177,7 @@ class Table(
      */
     @Pure
     @PythonName("add_columns")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun addColumns(
         columns: union<Column, List<Column>>
     ) -> newTable: Table
@@ -193,6 +200,7 @@ class Table(
      */
     @Pure
     @PythonName("add_computed_column")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun addComputedColumn(
         name: String,
         computer: (row: Row) -> computedCell: Cell
@@ -214,6 +222,7 @@ class Table(
      */
     @Pure
     @PythonName("get_column")
+    @Category(DataScienceCategory.UtilitiesQTable)
     fun getColumn(
         name: String
     ) -> column: Column
@@ -233,6 +242,7 @@ class Table(
      */
     @Pure
     @PythonName("get_column_type")
+    @Category(DataScienceCategory.UtilitiesQTable)
     fun getColumnType(
         name: String
     ) -> type: DataType
@@ -252,6 +262,7 @@ class Table(
      */
     @Pure
     @PythonName("has_column")
+    @Category(DataScienceCategory.UtilitiesQTable)
     fun hasColumn(
         name: String
     ) -> hasColumn: Boolean
@@ -283,6 +294,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_columns")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeColumns(
         names: union<List<String>, String>,
         @PythonName("ignore_unknown_names") ignoreUnknownNames: Boolean = false
@@ -304,6 +316,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_columns_except")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeColumnsExcept(
         names: union<List<String>, String>
     ) -> newTable: Table
@@ -327,6 +340,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_columns_with_missing_values")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeColumnsWithMissingValues() -> newTable: Table
 
     /**
@@ -345,6 +359,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_non_numeric_columns")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeNonNumericColumns() -> newTable: Table
 
     /**
@@ -366,6 +381,7 @@ class Table(
      */
     @Pure
     @PythonName("rename_column")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun renameColumn(
         @PythonName("old_name") oldName: String,
         @PythonName("new_name") newName: String
@@ -414,6 +430,7 @@ class Table(
      */
     @Pure
     @PythonName("replace_column")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun replaceColumn(
         @PythonName("old_name") oldName: String,
         @PythonName("new_columns") newColumns: union<Column, List<Column>, Table>
@@ -438,6 +455,7 @@ class Table(
      */
     @Pure
     @PythonName("transform_column")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun transformColumn(
         name: String,
         transformer: (cell: Cell) -> transformedCell: Cell
@@ -477,6 +495,7 @@ class Table(
      */
     @Pure
     @PythonName("count_row_if")
+    @Category(DataScienceCategory.DataExplorationQGeneral)
     fun countRowIf(
         predicate: (cell: Row) -> satisfiesPredicate: Cell<Boolean?>,
         @PythonName("ignore_unknown") ignoreUnknown: Boolean = true,
@@ -498,6 +517,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_duplicate_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeDuplicateRows() -> newTable: Table
 
     /**
@@ -518,6 +538,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeRows(
         query: (row: Row) -> shouldRemoveRow: Cell<Boolean>
     ) -> newTable: Table
@@ -541,6 +562,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_rows_by_column")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeRowsByColumn(
         name: String,
         query: (cell: Cell) -> shouldRemoveRow: Cell<Boolean>
@@ -564,6 +586,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_rows_with_missing_values")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeRowsWithMissingValues(
         @PythonName("column_names") columnNames: List<String>? = null
     ) -> newTable: Table
@@ -603,6 +626,7 @@ class Table(
      */
     @Pure
     @PythonName("remove_rows_with_outliers")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun removeRowsWithOutliers(
         @PythonName("column_names") columnNames: List<String>? = null,
         @PythonName("z_score_threshold") zScoreThreshold: Float = 3.0
@@ -624,6 +648,7 @@ class Table(
      */
     @Pure
     @PythonName("shuffle_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun shuffleRows() -> newTable: Table
 
     /**
@@ -653,6 +678,7 @@ class Table(
      */
     @Pure
     @PythonName("slice_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun sliceRows(
         start: Int = 0,
         length: Int? = null
@@ -677,6 +703,7 @@ class Table(
      */
     @Pure
     @PythonName("sort_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun sortRows(
         @PythonName("key_selector") keySelector: (row: Row) -> key: Cell,
         descending: Boolean = false
@@ -701,6 +728,7 @@ class Table(
      */
     @Pure
     @PythonName("sort_rows_by_column")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun sortRowsByColumn(
         name: String,
         descending: Boolean = false
@@ -731,6 +759,7 @@ class Table(
      */
     @Pure
     @PythonName("split_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun splitRows(
         @PythonName("percentage_in_first") percentageInFirst: Float,
         shuffle: Boolean = true
@@ -758,6 +787,7 @@ class Table(
      */
     @Pure
     @PythonName("add_table_as_columns")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun addTableAsColumns(
         other: Table
     ) -> newTable: Table
@@ -784,6 +814,7 @@ class Table(
      */
     @Pure
     @PythonName("add_table_as_rows")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun addTableAsRows(
         other: Table
     ) -> newTable: Table
@@ -810,6 +841,7 @@ class Table(
      */
     @Pure
     @PythonName("inverse_transform_table")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun inverseTransformTable(
         @PythonName("fitted_transformer") fittedTransformer: InvertibleTableTransformer
     ) -> newTable: Table
@@ -833,6 +865,7 @@ class Table(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun join(
         @PythonName("right_table") rightTable: Table,
         @PythonName("left_names") leftNames: union<List<String>, String>,
@@ -862,6 +895,7 @@ class Table(
      */
     @Pure
     @PythonName("transform_table")
+    @Category(DataScienceCategory.DataProcessingQTable)
     fun transformTable(
         @PythonName("fitted_transformer") fittedTransformer: TableTransformer
     ) -> newTable: Table
@@ -879,6 +913,7 @@ class Table(
      */
     @Pure
     @PythonName("summarize_statistics")
+    @Category(DataScienceCategory.DataExplorationQMetric)
     fun summarizeStatistics() -> statistics: Table
 
     /**
@@ -894,6 +929,7 @@ class Table(
      */
     @Pure
     @PythonName("to_columns")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toColumns() -> columns: List<Column>
 
     /**
@@ -912,6 +948,7 @@ class Table(
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_csv_file")
+    @Category(DataScienceCategory.DataExport)
     fun toCsvFile(
         path: String
     )
@@ -930,6 +967,7 @@ class Table(
      */
     @Pure
     @PythonName("to_dict")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toMap() -> map: Map<String, List<Any>>
 
     /**
@@ -950,6 +988,7 @@ class Table(
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_json_file")
+    @Category(DataScienceCategory.DataExport)
     fun toJsonFile(
         path: String
     )
@@ -970,6 +1009,7 @@ class Table(
      */
     @Impure([ImpurityReason.FileWriteToParameterizedPath("path")])
     @PythonName("to_parquet_file")
+    @Category(DataScienceCategory.DataExport)
     fun toParquetFile(
         path: String
     )
@@ -1005,6 +1045,7 @@ class Table(
      */
     @Pure
     @PythonName("to_tabular_dataset")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toTabularDataset(
         @PythonName("target_name") targetName: String,
         @PythonName("extra_names") extraNames: List<String>? = null
@@ -1038,6 +1079,7 @@ class Table(
      */
     @Pure
     @PythonName("to_time_series_dataset")
+    @Category(DataScienceCategory.UtilitiesQConversion)
     fun toTimeSeriesDataset(
         @PythonName("target_name") targetName: String,
         @PythonName("window_size") windowSize: Int,
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/ColumnPlotter.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/ColumnPlotter.sdsstub
index 321e4dd52..10e2ae604 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/ColumnPlotter.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/ColumnPlotter.sdsstub
@@ -13,6 +13,7 @@ from safeds.data.image.containers import Image
  *     val plotter = column.plot;
  * }
  */
+@Category(DataScienceCategory.BasicElement)
 class ColumnPlotter(
     column: Column<Any>
 ) {
@@ -31,6 +32,7 @@ class ColumnPlotter(
      */
     @Pure
     @PythonName("box_plot")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun boxPlot(
         theme: literal<"dark", "light"> = "light"
     ) -> plot: Image
@@ -50,6 +52,7 @@ class ColumnPlotter(
      */
     @Pure
     @PythonName("violin_plot")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun violinPlot(
         theme: literal<"dark", "light"> = "light"
     ) -> plot: Image
@@ -69,6 +72,7 @@ class ColumnPlotter(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun histogram(
         @PythonName("max_bin_count") const maxBinCount: Int = 10,
         theme: literal<"dark", "light"> = "light"
@@ -92,6 +96,7 @@ class ColumnPlotter(
      */
     @Pure
     @PythonName("lag_plot")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun lagPlot(
         lag: Int,
         theme: literal<"dark", "light"> = "light"
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/TablePlotter.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/TablePlotter.sdsstub
index 5be93da9b..53c6af37e 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/TablePlotter.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/plotting/TablePlotter.sdsstub
@@ -14,6 +14,7 @@ from safeds.data.tabular.containers import Table
  *     val plotter = table.plot;
  * }
  */
+@Category(DataScienceCategory.BasicElement)
 class TablePlotter(
     table: Table
 ) {
@@ -32,6 +33,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("box_plots")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun boxPlots(
         theme: literal<"dark", "light"> = "light"
     ) -> plot: Image
@@ -51,6 +53,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("violin_plots")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun violinPlots(
         theme: literal<"dark", "light"> = "light"
     ) -> plot: Image
@@ -70,6 +73,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("correlation_heatmap")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun correlationHeatmap(
         theme: literal<"dark", "light"> = "light"
     ) -> plot: Image
@@ -89,6 +93,7 @@ class TablePlotter(
      * }
      */
     @Pure
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun histograms(
         @PythonName("max_bin_count") const maxBinCount: Int = 10,
         theme: literal<"dark", "light"> = "light"
@@ -119,6 +124,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("line_plot")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun linePlot(
         @PythonName("x_name") xName: String,
         @PythonName("y_names") yNames: List<String>,
@@ -148,6 +154,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("scatter_plot")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun scatterPlot(
         @PythonName("x_name") xName: String,
         @PythonName("y_names") yNames: List<String>,
@@ -177,6 +184,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("moving_average_plot")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun movingAveragePlot(
         @PythonName("x_name") xName: String,
         @PythonName("y_name") yName: String,
@@ -208,6 +216,7 @@ class TablePlotter(
      */
     @Pure
     @PythonName("histogram_2d")
+    @Category(DataScienceCategory.DataExplorationQVisualization)
     fun histogram2d(
         @PythonName("x_name") xName: String,
         @PythonName("y_name") yName: String,
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/FunctionalTableTransformer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/FunctionalTableTransformer.sdsstub
index c59889392..a2e8c3582 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/FunctionalTableTransformer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/FunctionalTableTransformer.sdsstub
@@ -19,6 +19,7 @@ class FunctionalTableTransformer(
      * @result fittedTransformer Returns self, because this transformer is always fitted.
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQTransformer)
     fun fit(
         table: Table
     ) -> fittedTransformer: FunctionalTableTransformer
@@ -33,6 +34,7 @@ class FunctionalTableTransformer(
      */
     @Pure
     @PythonName("fit_and_transform")
+    @Category(DataScienceCategory.DataProcessingQTransformer)
     fun fitAndTransform(
         table: Table
     ) -> (fittedTransformer: FunctionalTableTransformer, transformedTable: Table)
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/KNearestNeighborsImputer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/KNearestNeighborsImputer.sdsstub
index 01c1e2b24..4989b698c 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/KNearestNeighborsImputer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/KNearestNeighborsImputer.sdsstub
@@ -34,6 +34,7 @@ class KNearestNeighborsImputer(
      * @result fittedTransformer The fitted transformer.
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQTransformer)
     fun fit(
         table: Table
     ) -> fittedTransformer: KNearestNeighborsImputer
@@ -50,6 +51,7 @@ class KNearestNeighborsImputer(
      */
     @Pure
     @PythonName("fit_and_transform")
+    @Category(DataScienceCategory.DataProcessingQTransformer)
     fun fitAndTransform(
         table: Table
     ) -> (fittedTransformer: KNearestNeighborsImputer, transformedTable: Table)
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/OneHotEncoder.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/OneHotEncoder.sdsstub
index 329aef5f9..47a61561c 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/OneHotEncoder.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/data/tabular/transformation/OneHotEncoder.sdsstub
@@ -61,6 +61,7 @@ class OneHotEncoder(
      * @result fittedTransformer The fitted transformer.
      */
     @Pure
+    @Category(DataScienceCategory.DataProcessingQTransformer)
     fun fit(
         table: Table
     ) -> fittedTransformer: OneHotEncoder
@@ -77,6 +78,7 @@ class OneHotEncoder(
      */
     @Pure
     @PythonName("fit_and_transform")
+    @Category(DataScienceCategory.DataProcessingQTransformer)
     fun fitAndTransform(
         table: Table
     ) -> (fittedTransformer: OneHotEncoder, transformedTable: Table)
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/lang/ideIntegration.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/lang/ideIntegration.sdsstub
index 90feeedb2..814d14517 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/lang/ideIntegration.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/lang/ideIntegration.sdsstub
@@ -21,38 +21,62 @@ annotation Category(category: DataScienceCategory)
 
 /**
  * A step in the data science process.
+ * The letter "Q" is used as a separator for subcategories.
  */
 @Experimental
 enum DataScienceCategory {
+    /**
+     * Basic building blocks.
+     */
+    BasicElement
+
     /**
      * Load your data into the program.
      */
     DataImport
 
     /**
-     * Prepare your data for analysis.
+     * Save your data for later use.
      */
-    DataPreparation
+    DataExport
 
-    /**
+     /**
      * Explore your data.
      */
-    DataExploration
+    DataExplorationQMetric
+    DataExplorationQVisualization
+    DataExplorationQGeneral
 
     /**
-     * Save your data for later use.
+     * Prepare your data for analysis.
      */
-    DataExport
+    DataProcessingQColumn
+    DataProcessingQTable
+    DataProcessingQImage
+    DataProcessingQImageList
+    DataProcessingQTransformer
 
     /**
      * Configure a model and train it on your data.
      */
-    Modeling
+    ModelingQGeneral
+    ModelingQClassicalClassification
+    ModelingQClassicalRegression
+    ModelingQNeuralNetwork
 
     /**
      * Evaluate the performance of your model.
      */
-    ModelEvaluation
+    ModelEvaluationQMetric
+    ModelEvaluationQVisualization
+
+    /**
+     * Utility iterms for general use and lambda functions
+     */
+    UtilitiesQConversion
+    UtilitiesQTable
+    UtilitiesQImage
+    UtilitiesQString
 }
 
 /**
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/AdaBoostClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/AdaBoostClassifier.sdsstub
index 723b19fca..3b21127ce 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/AdaBoostClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/AdaBoostClassifier.sdsstub
@@ -52,6 +52,7 @@ class AdaBoostClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: AdaBoostClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/Classifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/Classifier.sdsstub
index 54273ac88..f43a63c9a 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/Classifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/Classifier.sdsstub
@@ -18,6 +18,7 @@ class Classifier sub SupervisedModel {
      * @result fittedModel The fitted model.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedModel: Classifier
@@ -34,6 +35,7 @@ class Classifier sub SupervisedModel {
      */
     @Pure
     @PythonName("summarize_metrics")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun summarizeMetrics(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>,
         @PythonName("positive_class") positiveClass: Any
@@ -52,6 +54,7 @@ class Classifier sub SupervisedModel {
      * @result accuracy The classifier's accuracy.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun accuracy(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> accuracy: Float
@@ -71,6 +74,7 @@ class Classifier sub SupervisedModel {
      */
     @Pure
     @PythonName("f1_score")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun f1Score(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>,
         @PythonName("positive_class") positiveClass: Any
@@ -90,6 +94,7 @@ class Classifier sub SupervisedModel {
      * @result precision The classifier's precision.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun precision(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>,
         @PythonName("positive_class") positiveClass: Any
@@ -109,6 +114,7 @@ class Classifier sub SupervisedModel {
      * @result recall The classifier's recall.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun recall(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>,
         @PythonName("positive_class") positiveClass: Any
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/DecisionTreeClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/DecisionTreeClassifier.sdsstub
index 45652b1fc..4239c1256 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/DecisionTreeClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/DecisionTreeClassifier.sdsstub
@@ -42,6 +42,7 @@ class DecisionTreeClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: DecisionTreeClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/GradientBoostingClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/GradientBoostingClassifier.sdsstub
index cdddca560..8ca4569eb 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/GradientBoostingClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/GradientBoostingClassifier.sdsstub
@@ -46,6 +46,7 @@ class GradientBoostingClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: GradientBoostingClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/KNearestNeighborsClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/KNearestNeighborsClassifier.sdsstub
index 28e4d396f..bea8f8a68 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/KNearestNeighborsClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/KNearestNeighborsClassifier.sdsstub
@@ -38,6 +38,7 @@ class KNearestNeighborsClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: KNearestNeighborsClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/LogisticClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/LogisticClassifier.sdsstub
index 25c1316c6..1cf99f74b 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/LogisticClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/LogisticClassifier.sdsstub
@@ -37,6 +37,7 @@ class LogisticClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: LogisticClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/RandomForestClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/RandomForestClassifier.sdsstub
index 86223cd0c..4fde0ce0c 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/RandomForestClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/RandomForestClassifier.sdsstub
@@ -50,6 +50,7 @@ class RandomForestClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: RandomForestClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/SupportVectorClassifier.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/SupportVectorClassifier.sdsstub
index e10673760..72b4bab4d 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/SupportVectorClassifier.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/classification/SupportVectorClassifier.sdsstub
@@ -78,6 +78,7 @@ class SupportVectorClassifier(
      * @result fittedClassifier The fitted classifier.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalClassification)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedClassifier: SupportVectorClassifier
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/AdaBoostRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/AdaBoostRegressor.sdsstub
index 43ab8dfee..669de4a74 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/AdaBoostRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/AdaBoostRegressor.sdsstub
@@ -52,6 +52,7 @@ class AdaBoostRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: AdaBoostRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ArimaRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ArimaRegressor.sdsstub
index ddc5820bf..7adee667b 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ArimaRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ArimaRegressor.sdsstub
@@ -29,6 +29,7 @@ class ArimaRegressor() {
      * @result fittedArima The fitted ARIMA Model.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("time_series") timeSeries: TimeSeriesDataset
     ) -> fittedArima: ArimaRegressor
@@ -41,6 +42,7 @@ class ArimaRegressor() {
      * @result prediction A timeseries containing the predicted target vector and a time dummy as time column.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun predict(
         @PythonName("time_series") timeSeries: TimeSeriesDataset
     ) -> prediction: Table
@@ -54,6 +56,7 @@ class ArimaRegressor() {
      */
     @Pure
     @PythonName("plot_predictions")
+    @Category(DataScienceCategory.ModelEvaluationQVisualization)
     fun plotPredictions(
         @PythonName("test_series") testSeries: TimeSeriesDataset
     ) -> image: Image
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/DecisionTreeRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/DecisionTreeRegressor.sdsstub
index 297a151bb..dc21ae7c1 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/DecisionTreeRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/DecisionTreeRegressor.sdsstub
@@ -43,6 +43,7 @@ class DecisionTreeRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: DecisionTreeRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ElasticNetRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ElasticNetRegressor.sdsstub
index 1ad62ce7d..3ea5e48bf 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ElasticNetRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/ElasticNetRegressor.sdsstub
@@ -50,6 +50,7 @@ class ElasticNetRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: ElasticNetRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/GradientBoostingRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/GradientBoostingRegressor.sdsstub
index 33593c76f..ee1a0e70a 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/GradientBoostingRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/GradientBoostingRegressor.sdsstub
@@ -46,6 +46,7 @@ class GradientBoostingRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: GradientBoostingRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/KNearestNeighborsRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/KNearestNeighborsRegressor.sdsstub
index 120a1df0f..67101837e 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/KNearestNeighborsRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/KNearestNeighborsRegressor.sdsstub
@@ -38,6 +38,7 @@ class KNearestNeighborsRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: KNearestNeighborsRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LassoRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LassoRegressor.sdsstub
index 533e9dcb1..d2258f240 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LassoRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LassoRegressor.sdsstub
@@ -41,6 +41,7 @@ class LassoRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: LassoRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LinearRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LinearRegressor.sdsstub
index cdab823d2..455e81483 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LinearRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/LinearRegressor.sdsstub
@@ -87,6 +87,7 @@ class LinearRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: LinearRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RandomForestRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RandomForestRegressor.sdsstub
index 13ddfc1b0..d77757c39 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RandomForestRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RandomForestRegressor.sdsstub
@@ -50,6 +50,7 @@ class RandomForestRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: RandomForestRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/Regressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/Regressor.sdsstub
index f449fbaf9..4be04c691 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/Regressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/Regressor.sdsstub
@@ -18,6 +18,7 @@ class Regressor sub SupervisedModel {
      * @result fittedModel The fitted model.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedModel: Regressor
@@ -33,6 +34,7 @@ class Regressor sub SupervisedModel {
      */
     @Pure
     @PythonName("summarize_metrics")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun summarizeMetrics(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> metrics: Table
@@ -64,6 +66,7 @@ class Regressor sub SupervisedModel {
      */
     @Pure
     @PythonName("coefficient_of_determination")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun coefficientOfDetermination(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> coefficientOfDetermination: Float
@@ -84,6 +87,7 @@ class Regressor sub SupervisedModel {
      */
     @Pure
     @PythonName("mean_absolute_error")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun meanAbsoluteError(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> meanAbsoluteError: Float
@@ -108,6 +112,7 @@ class Regressor sub SupervisedModel {
      */
     @Pure
     @PythonName("mean_directional_accuracy")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun meanDirectionalAccuracy(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> meanDirectionalAccuracy: Float
@@ -130,6 +135,7 @@ class Regressor sub SupervisedModel {
      */
     @Pure
     @PythonName("mean_squared_error")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun meanSquaredError(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> meanSquaredError: Float
@@ -150,6 +156,7 @@ class Regressor sub SupervisedModel {
      */
     @Pure
     @PythonName("median_absolute_deviation")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     fun medianAbsoluteDeviation(
         @PythonName("validation_or_test_set") validationOrTestSet: union<Table, TabularDataset>
     ) -> medianAbsoluteDeviation: Float
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RidgeRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RidgeRegressor.sdsstub
index 6c56feef6..8d833fc44 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RidgeRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/RidgeRegressor.sdsstub
@@ -41,6 +41,7 @@ class RidgeRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: RidgeRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/SupportVectorRegressor.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/SupportVectorRegressor.sdsstub
index b87c347bb..150574c2b 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/SupportVectorRegressor.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/classical/regression/SupportVectorRegressor.sdsstub
@@ -78,6 +78,7 @@ class SupportVectorRegressor(
      * @result fittedRegressor The fitted regressor.
      */
     @Pure
+    @Category(DataScienceCategory.ModelingQClassicalRegression)
     fun fit(
         @PythonName("training_set") trainingSet: TabularDataset
     ) -> fittedRegressor: SupportVectorRegressor
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/ClassificationMetrics.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/ClassificationMetrics.sdsstub
index d3ea4a408..b20af0919 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/ClassificationMetrics.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/ClassificationMetrics.sdsstub
@@ -17,6 +17,7 @@ class ClassificationMetrics {
      * @result metrics A table containing the classification metrics.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun summarize(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
@@ -35,6 +36,7 @@ class ClassificationMetrics {
      * @result accuracy The calculated accuracy.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun accuracy(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
@@ -54,6 +56,7 @@ class ClassificationMetrics {
      */
     @Pure
     @PythonName("f1_score")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun f1Score(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
@@ -73,6 +76,7 @@ class ClassificationMetrics {
      * @result precision The calculated precision.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun precision(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
@@ -92,6 +96,7 @@ class ClassificationMetrics {
      * @result recall The calculated recall.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun recall(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/RegressionMetrics.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/RegressionMetrics.sdsstub
index 129382a86..4112972af 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/RegressionMetrics.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/metrics/RegressionMetrics.sdsstub
@@ -16,6 +16,7 @@ class RegressionMetrics {
      * @result metrics A table containing the regression metrics.
      */
     @Pure
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun summarize(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
@@ -46,6 +47,7 @@ class RegressionMetrics {
      */
     @Pure
     @PythonName("coefficient_of_determination")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun coefficientOfDetermination(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
@@ -65,6 +67,7 @@ class RegressionMetrics {
      */
     @Pure
     @PythonName("mean_absolute_error")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun meanAbsoluteError(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
@@ -88,6 +91,7 @@ class RegressionMetrics {
      */
     @Pure
     @PythonName("mean_directional_accuracy")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun meanDirectionalAccuracy(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
@@ -109,6 +113,7 @@ class RegressionMetrics {
      */
     @Pure
     @PythonName("mean_squared_error")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun meanSquaredError(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
@@ -128,6 +133,7 @@ class RegressionMetrics {
      */
     @Pure
     @PythonName("median_absolute_deviation")
+    @Category(DataScienceCategory.ModelEvaluationQMetric)
     static fun medianAbsoluteDeviation(
         predicted: union<Column<Any>, TabularDataset, TimeSeriesDataset>,
         expected: union<Column<Any>, TabularDataset, TimeSeriesDataset>
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/AveragePooling2DLayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/AveragePooling2DLayer.sdsstub
index 3e28720d4..912b63b8a 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/AveragePooling2DLayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/AveragePooling2DLayer.sdsstub
@@ -11,6 +11,7 @@ from safeds.ml.nn.typing import ModelImageSize
  * @param padding the padding of the pooling
  */
 @Experimental
+@Category(DataScienceCategory.ModelingQNeuralNetwork)
 class AveragePooling2DLayer(
     @PythonName("kernel_size") kernelSize: Int,
     stride: Int = -1,
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/Convolutional2DLayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/Convolutional2DLayer.sdsstub
index 54d88ff23..9049e4e2b 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/Convolutional2DLayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/Convolutional2DLayer.sdsstub
@@ -12,6 +12,7 @@ from safeds.ml.nn.typing import ModelImageSize
  * @param padding the padding of the convolution
  */
 @Experimental
+@Category(DataScienceCategory.ModelingQNeuralNetwork)
 class Convolutional2DLayer(
     @PythonName("output_channel") outputChannel: Int,
     @PythonName("kernel_size") kernelSize: Int,
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ConvolutionalTranspose2DLayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ConvolutionalTranspose2DLayer.sdsstub
index f45f052d3..c81b08ac3 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ConvolutionalTranspose2DLayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ConvolutionalTranspose2DLayer.sdsstub
@@ -13,6 +13,7 @@ from safeds.ml.nn.layers import Convolutional2DLayer
  * @param outputPadding the output padding of the transposed convolution
  */
 @Experimental
+@Category(DataScienceCategory.ModelingQNeuralNetwork)
 class ConvolutionalTranspose2DLayer(
     @PythonName("output_channel") outputChannel: Int,
     @PythonName("kernel_size") kernelSize: Int,
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/DropoutLayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/DropoutLayer.sdsstub
index c8b0b8b1b..b1764f8bc 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/DropoutLayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/DropoutLayer.sdsstub
@@ -8,6 +8,7 @@ from safeds.ml.nn.typing import ModelImageSize
  *
  * @param probability The probability that an input element gets zeroed out.
  */
+ @Category(DataScienceCategory.ModelingQNeuralNetwork)
 class DropoutLayer(
     probability: Float
 ) sub Layer {
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/FlattenLayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/FlattenLayer.sdsstub
index 665ca6afd..2c9ea64e7 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/FlattenLayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/FlattenLayer.sdsstub
@@ -7,6 +7,7 @@ from safeds.ml.nn.typing import ModelImageSize
  * A flatten layer.
  */
 @Experimental
+@Category(DataScienceCategory.ModelingQNeuralNetwork)
 class FlattenLayer() sub Layer {
     /**
      * Get the input_size of this layer.
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ForwardLayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ForwardLayer.sdsstub
index 7bef7bf8c..2ad5bc74f 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ForwardLayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/ForwardLayer.sdsstub
@@ -9,6 +9,7 @@ from safeds.ml.nn.layers import Layer
  * @param activationFunction The activation function used in the forward layer, if not set the activation will be set automatically.
  */
 @Experimental
+@Category(DataScienceCategory.ModelingQNeuralNetwork)
 class ForwardLayer(
     @PythonName("neuron_count") neuronCount: Int,
     @PythonName("overwrite_activation_function") activationFunction: literal<"sigmoid", "relu", "softmax", "none", "notset"> = "notset"
diff --git a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/GRULayer.sdsstub b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/GRULayer.sdsstub
index 75d6edca9..731629b0e 100644
--- a/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/GRULayer.sdsstub
+++ b/packages/safe-ds-lang/src/resources/builtins/safeds/ml/nn/layers/GRULayer.sdsstub
@@ -7,6 +7,7 @@ from safeds.ml.nn.layers import Layer
  *
  * @param neuronCount The number of neurons in this layer
  */
+ @Category(DataScienceCategory.ModelingQNeuralNetwork)
 class GRULayer(
     @PythonName("neuron_count") neuronCount: Int
 ) sub Layer {
diff --git a/packages/safe-ds-lang/tests/language/builtins/safe-ds-annotations.test.ts b/packages/safe-ds-lang/tests/language/builtins/safe-ds-annotations.test.ts
index f5ce83e7f..5e625936e 100644
--- a/packages/safe-ds-lang/tests/language/builtins/safe-ds-annotations.test.ts
+++ b/packages/safe-ds-lang/tests/language/builtins/safe-ds-annotations.test.ts
@@ -33,10 +33,10 @@ describe('getCategory', () => {
             code: `
             package test
 
-            @Category(DataScienceCategory.DataPreparation)
+            @Category(DataScienceCategory.ModelEvaluationQVisualization)
             class Test
         `,
-            expected: 'DataPreparation',
+            expected: 'ModelEvaluationQVisualization',
         },
     ];