Adrien Grand

Principal engineer at Elastic, core Apache Lucene committer. Implemented Block-Max WAND in Lucene 8.0 and Elasticsearch 7.0 (2019) — described as one of the largest performance improvements in Lucene’s history. Also drove the WAND (Weak AND) optimization that preceded it.

Articles

• Faster Retrieval of Top Hits in Elasticsearch with Block-Max WAND

Topics

Block-Max WAND · WAND · BM25 · Elasticsearch