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Amazon Comprehend demo

This project lets you analyze websites using Amazon Comprehend.

You can deploy this project using SAM. Once deployed, you're able to query the service by including a header value of 'url', which indicates the url of the website that you want to "understand/comprehend". The Lambda function parses the website represented by the url and runs the body of this website through the Amazon Comprehend service.

NOTE 1: Make sure the owner of the site you're scraping allows you to do so! This is very important. If your use-case is to scrape your customers' sites to provide better recommendations, analysis, etc, and they know about that then you're good to go, otherwise make sure you do your due-dilligence!

NOTE 2: For the most part your test usage should fall under the Free Tier, but check this page to make sure, as well as your current billing levels.

TO-DO

Additions you might want to implement (I might add some of this in the future)

  • Add another property to define an ElasticSearch endpoint and automatically pipe the output there
  • Save the data in Amazon S3 and analyze the data using Amazon Athena and Amazon Quicksight
  • Use Amazon Rekognition to add additional analysis by analyzing images found on the website
  • Understand the websites that you're parsing and extract only the content that makes the most sense. I'm using JSoup so it should make the additional parsing easier
  • Use Amazon Translate for additional insight of international, non-English, websites
  • Use a crawler instead of a scraper - more website coverage

Build and deploy

# Build the code
./gradlew jar

# Package it
aws cloudformation package --template-file sam.yaml --s3-bucket YOUR_BUCKET_NAME --output-template-file /tmp/UpdatedSAMTemplate.yaml

# Deploy it (change the parameter value as needed)
aws cloudformation deploy --template-file /tmp/UpdatedSAMTemplate.yaml --stack-name comprehend-stack --parameter-overrides RegionParameter=us-east-1 --capabilities CAPABILITY_IAM

Test it

# Get the Comprehend output
curl -XGET 'https://$API_GATEWAY_ID.execute-api.$REGION.amazonaws.com/Prod/token/valid' --header "url: url-to-parse"