Rene Kriegler

Search and NLP relevance consultant with a long focus on e-commerce search, working mainly with Solr/Lucene. Maintainer of Querqy, the open-source query rewriting library, and organizer of the MICES (Mix-Camp E-Commerce Search) conference in Berlin, held alongside Berlin Buzzwords. Has contracted with OpenSource Connections and previously worked with Charlie Hull at Flax (later merged into OSC).

Known For

• Querqy — query rewriting library for Solr/Lucene/Elasticsearch/OpenSearch
• MICES e-commerce search conference (Berlin)
• Framing Query Relaxation as a query recommendation problem rather than query repair (see the talk below), and applying Word2Vec + a multi-layer neural network with word-shape features to predict which query term to drop.

Videos

• Rene Kriegler - Query Relaxation — “Query relaxation - a rewriting technique between search and recommendations” (2019)

Related Concepts

• Query Relaxation
• Zero Results
• Word2Vec

Related Tools

• Querqy

Related People

• Charlie Hull — colleague at Flax / OpenSource Connections
• Daniel Tunkelang — whose blog post on word embeddings for relaxation informed the approach
• Mihajlo Grbovic — query embeddings (query-as-word) referenced in the talk