사이시옷 분석 기능 보강

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.12)
 
-project(kiwi VERSION 0.19.1 DESCRIPTION "Kiwi, Korean Intelligent Word Identifier")
+project(kiwi VERSION 0.20.0 DESCRIPTION "Kiwi, Korean Intelligent Word Identifier")
 
 set ( CMAKE_CXX_STANDARD 14 )
 set ( CMAKE_VERBOSE_MAKEFILE true )

ModelGenerator/morphemes.txt

@@ -6370,7 +6370,7 @@
 와인	NNG	270
 은혜	NNG	270
 공평	NNG	270
-횟수	NNG	270
+횟수	NNG	270	complex 회/NNG ᆺ/Z_SIOT 수/NNG 010112
 반짝이	VV	270	complex 반짝/MAG 이/XSV 0223
 서랍	NNG	270
 허무	NNG	270
@@ -14689,7 +14689,7 @@ LG화학	NNP	82
 조흥은행	NNP	75
 노라	EC	75
 영양가	NNG	75
-툇마루	NNG	75
+툇마루	NNG	75	complex 퇴/NNG ᆺ/Z_SIOT 마루/NNG 010113
 오묘	XR	75
 의미심장	XR	75
 주인집	NNG	75
@@ -16670,7 +16670,7 @@ LG화학	NNP	82
 막중	XR	61
 엄중	XR	61
 경박	XR	61
-셋방	NNG	61
+셋방	NNG	61	complex 세/NNG ᆺ/Z_SIOT 방/NNG 010112
 애무	NNG	61
 천진	NNG	61
 맞아들이	VV	61	complex 맞/VV 어/EC 들이/VV 011224
@@ -23962,7 +23962,7 @@ SK그룹	NNP	33
 판매자	NNG	33
 차두리	NNP	33
 자필	NNG	33
-곳간	NNG	33
+곳간	NNG	33	complex 고/NNG ᆺ/Z_SIOT 간/NNB 010112
 에베레스트	NNP	33
 국전	NNG	33
 온존	NNG	33

bindings/java/kr/pe/bab2min/Kiwi.java

@@ -12,7 +12,7 @@
 
 public class Kiwi implements AutoCloseable  {
 	private long _inst;
-	final private static String _version = "0.19.1";
+	final private static String _version = "0.20.0";
 
 	public static class Match {
 		final static public int none = 0,

include/kiwi/Form.h

@@ -2,7 +2,7 @@
  * @file Form.h
  * @author bab2min ([email protected])
  * @brief 형태 및 형태소에 관한 정보를 담는 구조체들이 선언된 헤더
- * @version 0.19.0
+ * @version 0.20.0
  * @date 2024-07-01
  * 
  * 

include/kiwi/Kiwi.h

@@ -2,7 +2,7 @@
  * @file Kiwi.h
  * @author bab2min ([email protected])
  * @brief Kiwi C++ API를 담고 있는 헤더 파일
- * @version 0.19.0
+ * @version 0.20.0
  * @date 2024-07-01
  * 
  * 

include/kiwi/Macro.h

@@ -4,7 +4,7 @@
 #define KIWI_STR(x) KIWI_STR_HELPER(x)
 
 #define KIWI_VERSION_MAJOR 0
-#define KIWI_VERSION_MINOR 19
-#define KIWI_VERSION_PATCH 1
+#define KIWI_VERSION_MINOR 20
+#define KIWI_VERSION_PATCH 0
 
 #define KIWI_VERSION_STRING KIWI_STR(KIWI_VERSION_MAJOR) "." KIWI_STR(KIWI_VERSION_MINOR) "." KIWI_STR(KIWI_VERSION_PATCH)

include/kiwi/SwTokenizer.h

@@ -2,7 +2,7 @@
  * @file SwTokenizer.h
  * @author bab2min ([email protected])
  * @brief Subword Tokenizer
- * @version 0.19.0
+ * @version 0.20.0
  * @date 2024-07-01
  *
  *

include/kiwi/Types.h

@@ -2,7 +2,7 @@
  * @file Types.h
  * @author bab2min ([email protected])
  * @brief Kiwi C++ API에 쓰이는 주요 타입들을 모아놓은 헤더 파일
- * @version 0.19.0
+ * @version 0.20.0
  * @date 2024-07-01
  * 
  * 

include/kiwi/TypoTransformer.h

@@ -2,7 +2,7 @@
  * @file TypoTransformer.h
  * @author bab2min ([email protected])
  * @brief 오타 교정에 사용되는 TypoTransformer 및 관련 클래스들을 정의합니다.
- * @version 0.19.0
+ * @version 0.20.0
  * @date 2024-09-15
  *
  *

include/kiwi/capi.h

@@ -2,7 +2,7 @@
  * @file capi.h
  * @author bab2min ([email protected])
  * @brief Kiwi C API를 담고 있는 헤더 파일
- * @version 0.19.0
+ * @version 0.20.0
  * @date 2024-07-01
  * 
  * 

src/Kiwi.cpp

@@ -1065,6 +1065,7 @@ namespace kiwi
 				false,
 				!!(matchOptions & Match::splitComplex),
 				!!(matchOptions & Match::splitSaisiot),
+				!!(matchOptions & Match::mergeSaisiot),
 				blocklist
 			);
 			insertPathIntoResults(ret, spStatesByRet, res, topN, matchOptions, integrateAllomorph, positionTable, wordPositions, pretokenizedGroup, nodeInWhichPretokenized);

src/PathEvaluator.hpp

@@ -119,6 +119,7 @@ namespace kiwi
 			bool openEnd,
 			bool splitComplex = false,
 			bool splitSaisiot = false,
+			bool mergeSaisiot = false,
 			const std::unordered_set<const Morpheme*>* blocklist = nullptr
 		);
 
@@ -136,6 +137,7 @@ namespace kiwi
 			const Vector<SpecialState>& prevSpStates,
 			bool splitComplex = false,
 			bool splitSaisiot = false,
+			bool mergeSaisiot = false,
 			const std::unordered_set<const Morpheme*>* blocklist = nullptr
 		);
 
@@ -525,7 +527,7 @@ namespace kiwi
 
 					// fill the rest information of resultOut
 					newPath.wid = lastSeqId;
-					if (curMorph->chunks.empty() || curMorph->complex)
+					if (curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot)
 					{
 						newPath.combineSocket = curMorph->combineSocket;
 						newPath.ownFormId = ownFormId;
@@ -570,7 +572,7 @@ namespace kiwi
 
 				// fill the rest information of resultOut
 				newPath.wid = lastSeqId;
-				if (curMorph->chunks.empty() || curMorph->complex)
+				if (curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot)
 				{
 					newPath.combineSocket = curMorph->combineSocket;
 					newPath.ownFormId = ownFormId;
@@ -622,7 +624,7 @@ namespace kiwi
 
 				// fill the rest information of resultOut
 				newPath.wid = lastSeqId;
-				if (curMorph->chunks.empty() || curMorph->complex)
+				if (curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot)
 				{
 					newPath.combineSocket = curMorph->combineSocket;
 					newPath.ownFormId = ownFormId;
@@ -659,7 +661,7 @@ namespace kiwi
 
 		const Morpheme* lastMorph;
 		Wid firstWid;
-		if (curMorph->chunks.empty() || curMorph->complex)
+		if (curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot)
 		{
 			lastMorph = curMorph->getCombined() ? curMorph->getCombined() : curMorph;
 			firstWid = curMorph->lmMorphemeId;
@@ -691,8 +693,10 @@ namespace kiwi
 		{
 			for (auto& prevPath : cache[prev - startNode])
 			{
-				// 사이시옷 뒤에 명사가 아닌 태그가 오는 경우 제외
-				if (prevPath.morpheme->tag == POSTag::z_siot && !isNNClass(curMorph->tag))
+				// 사이시옷 뒤에 명사가 아닌 태그가 오거나 공백이 있는 경우 제외
+				if (prevPath.morpheme->tag == POSTag::z_siot && (
+					!isNNClass(curMorph->tag) || prev->endPos < node->startPos
+					))
 				{
 					continue;
 				}
@@ -701,7 +705,7 @@ namespace kiwi
 				if (prevPath.combineSocket)
 				{
 					// merge <v> <chunk> with only the same socket
-					if (prevPath.combineSocket != curMorph->combineSocket || (curMorph->chunks.empty() || curMorph->complex))
+					if (prevPath.combineSocket != curMorph->combineSocket || (curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot))
 					{
 						continue;
 					}
@@ -747,7 +751,7 @@ namespace kiwi
 				}
 
 				auto cLmState = prevPath.lmState;
-				if (curMorph->combineSocket && (curMorph->chunks.empty() || curMorph->complex))
+				if (curMorph->combineSocket && (curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot))
 				{
 					// no-op
 				}
@@ -760,7 +764,7 @@ namespace kiwi
 					}
 					float ll = cLmState.next(langMdl, firstWid);
 					candScore += ll;
-					if (!(curMorph->chunks.empty() || curMorph->complex))
+					if (!(curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot))
 					{
 						for (size_t i = 1; i < curMorph->chunks.size(); ++i)
 						{
@@ -833,6 +837,7 @@ namespace kiwi
 		const Vector<SpecialState>& prevSpStates,
 		bool splitComplex,
 		bool splitSaisiot,
+		bool mergeSaisiot,
 		const std::unordered_set<const Morpheme*>* blocklist
 	)
 	{
@@ -893,6 +898,11 @@ namespace kiwi
 				// 사이시옷(zSiot)을 위한 지름길
 				if (curMorph->tag == POSTag::z_siot)
 				{
+					if (!(splitSaisiot || mergeSaisiot))
+					{
+						continue;
+					}
+
 					for (auto* prev = node->getPrev(); prev; prev = prev->getSibling())
 					{
 						for (auto& p : cache[prev - startNode])
@@ -912,7 +922,7 @@ namespace kiwi
 				}
 
 				// if the morpheme has chunk set
-				if (!(curMorph->chunks.empty()|| curMorph->complex))
+				if (!(curMorph->chunks.empty() || curMorph->complex || curMorph->saisiot))
 				{
 					// '하다/하게/하지'가 '다/게/지'로 축약된 경우인데 앞에 공백이 있는 경우는 탐색후보에서 제외
 					if (node->prev && node[-(int)node->prev].endPos < node->startPos
@@ -1019,13 +1029,13 @@ namespace kiwi
 			float scoreDiff = cur->accScore - prev->accScore;
 			float typoCostDiff = cur->accTypoCost - prev->accTypoCost;
 			auto morpheme = cur->morpheme;
-			size_t numNewTokens = (morpheme->chunks.empty() || morpheme->complex) ? 1 : morpheme->chunks.size();
+			const size_t numNewTokens = (morpheme->chunks.empty() || morpheme->complex || morpheme->saisiot) ? 1 : morpheme->chunks.size();
 			auto& gNode = graph[csearcher(cur)];
 			scoreDiff += typoCostDiff * typoCostWeight;
 			scoreDiff /= numNewTokens;
 			typoCostDiff /= numNewTokens;
 
-			if (morpheme->chunks.empty() || morpheme->complex)
+			if (morpheme->chunks.empty() || morpheme->complex || morpheme->saisiot)
 			{
 				ret.emplace_back(
 					unifyMorpheme(morpheme),
@@ -1093,6 +1103,7 @@ namespace kiwi
 		bool openEnd,
 		bool splitComplex,
 		bool splitSaisiot,
+		bool mergeSaisiot,
 		const std::unordered_set<const Morpheme*>* blocklist
 	)
 	{
@@ -1148,24 +1159,24 @@ namespace kiwi
 			{
 				evalPath<LmState>(kw, startNode, node, topN, cache, 
 					ownFormList, i, ownFormId, node->form->candidate, 
-					false, uniqStates, splitComplex, splitSaisiot, blocklist);
+					false, uniqStates, splitComplex, splitSaisiot, mergeSaisiot, blocklist);
 				if (all_of(node->form->candidate.begin(), node->form->candidate.end(), [](const Morpheme* m)
 				{
-					return m->combineSocket || (!m->chunks.empty() && !m->complex);
+					return m->combineSocket || !(m->chunks.empty() || m->complex || m->saisiot);
 				}))
 				{
 					ownFormList.emplace_back(node->form->form);
 					ownFormId = ownFormList.size();
 					evalPath<LmState>(kw, startNode, node, topN, cache, 
 						ownFormList, i, ownFormId, unknownNodeLCands, 
-						true, uniqStates, splitComplex, splitSaisiot, blocklist);
+						true, uniqStates, splitComplex, splitSaisiot, mergeSaisiot, blocklist);
 				};
 			}
 			else
 			{
 				evalPath<LmState>(kw, startNode, node, topN, cache, 
 					ownFormList, i, ownFormId, unknownNodeCands, 
-					true, uniqStates, splitComplex, splitSaisiot, blocklist);
+					true, uniqStates, splitComplex, splitSaisiot, mergeSaisiot, blocklist);
 			}
 
 #ifdef DEBUG_PRINT
@@ -1186,13 +1197,14 @@ namespace kiwi
 			for (auto& p : cache[prev - startNode])
 			{
 				if (p.combineSocket) continue;
-				if (!p.morpheme->chunks.empty() && !p.morpheme->complex)
+				if (!(p.morpheme->chunks.empty() || p.morpheme->complex || p.morpheme->saisiot))
 				{
 					if (p.morpheme->chunks.size() <= (p.morpheme->combineSocket ? 2 : 1))
 					{
 						if (!FeatureTestor::isMatched(nullptr, p.morpheme->vowel)) continue;
 					}
 				}
+				if (p.morpheme->tag == POSTag::z_siot) continue;
 
 				float c = p.accScore + (openEnd ? 0 : p.lmState.next(kw->langMdl, eosId));
 				if (p.spState.singleQuote) c -= 2;

test/test_cpp.cpp

@@ -994,13 +994,24 @@ TEST(KiwiCpp, ZSiot)
 		auto resNone = kiwi.analyze(s, Match::allWithNormalizing);
 		auto resSplit = kiwi.analyze(s, Match::allWithNormalizing | Match::splitSaisiot);
 		auto resMerge = kiwi.analyze(s, Match::allWithNormalizing | Match::mergeSaisiot);
+		EXPECT_FALSE(std::any_of(resNone.first.begin(), resNone.first.end(), [](const TokenInfo& token) { return token.tag == POSTag::z_siot; }));
 		EXPECT_EQ(resSplit.first.size(), 3);
 		EXPECT_EQ(resSplit.first[0].tag, POSTag::nng);
 		EXPECT_EQ(resSplit.first[1].tag, POSTag::z_siot);
 		EXPECT_EQ(resSplit.first[2].tag, POSTag::nng);
 		EXPECT_EQ(resMerge.first.size(), 1);
 		EXPECT_EQ(resMerge.first[0].tag, POSTag::nng);
 	}
+
+	for (auto s : {u"발렛 파킹", u"미닛"})
+	{
+		auto resNone = kiwi.analyze(s, Match::allWithNormalizing);
+		auto resSplit = kiwi.analyze(s, Match::allWithNormalizing | Match::splitSaisiot);
+		auto resMerge = kiwi.analyze(s, Match::allWithNormalizing | Match::mergeSaisiot);
+		EXPECT_EQ(resNone.second, resSplit.second);
+		EXPECT_EQ(resNone.second, resMerge.second);
+		EXPECT_FALSE(std::any_of(resSplit.first.begin(), resSplit.first.end(), [](const TokenInfo& token) { return token.tag == POSTag::z_siot; }));
+	}
 }
 
 TEST(KiwiCpp, AnalyzeWithWordPosition)