KD

Kathleen DeRusso

Principal Software Engineer I

About the author

Kathleen is a software engineer at Elastic working on search and search relevance.

Author’s articles

Looking back: A timeline of vector search innovations

Looking back: A timeline of vector search innovations

Looking back at Elastic's vector search innovations in Elasticsearch and Lucene

Elasticsearch query rules are now generally available

August 7, 2024

Elasticsearch query rules are now generally available

Introducing the general availability of query rules

Introducing the sparse vector query: Searching sparse vectors with inference or precomputed query vectors

July 23, 2024

Introducing the sparse vector query: Searching sparse vectors with inference or precomputed query vectors

Learn about the Elasticsearch sparse vector query, how it works, and how to effectively use it.

Search relevance tuning: Balancing keyword and semantic search

Search relevance tuning: Balancing keyword and semantic search

This blog offers practical strategies for tuning search relevance that can be complementary to semantic search.

Improving text expansion performance using token pruning

Improving text expansion performance using token pruning

Learn about token pruning and how it boosts the performance of text expansion queries by making them more efficient without sacrificing recall.

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