MLIA-DAC@TREC CAsT 2022: Sparse Contextualized Query Embedding.
Nam Le HaiThomas GeraldThibault FormalJian-Yun NieBenjamin PiwowarskiLaure SoulierPublished in: TREC (2022)
Keyphrases
- relevance feedback
- vector space
- database
- ad hoc retrieval
- response time
- query processing
- query expansion
- information retrieval
- retrieval effectiveness
- database queries
- data sources
- short queries
- relevance judgments
- query terms
- query evaluation
- query performance prediction
- data structure
- test collection
- query formulation
- document ranking
- document rankings
- pseudo relevance feedback
- probabilistic retrieval model
- user queries
- sparse representation
- co occurrence
- high dimensional
- keywords
- range queries
- retrieval model
- retrieval process
- retrieval systems
- structured queries
- information retrieval systems
- relevance judgements
- data model
- interactive query expansion
- search engine