Articles
![Elasticsearch binary document ingestion: Evolution & the Data Extraction Service](/search-labs/_next/image?url=%2Fsearch-labs%2Fassets%2Fimages%2Fbinary-data.png&w=3840&q=100)
Ingestion
•Elasticsearch binary document ingestion: Evolution & the Data Extraction Service
Discover the history of extracting text from binary documents at Elastic and learn about our open-code solution: the Data Extraction Service.
![Adding document level security (DLS) to your internal knowledge search](/search-labs/_next/image?url=%2Fsearch-labs%2Fassets%2Fimages%2Fsecurity.jpeg&w=3840&q=100)
How To
•Adding document level security (DLS) to your internal knowledge search
Learn how to secure your internal knowledge lake and offer personalized search for your end-users using document level security (DLS).