Out-of-Domain Semantics to the Rescue! Zero-Shot Hybrid Retrieval Models.
Tao ChenMingyang ZhangJing LuMichael BenderskyMarc NajorkPublished in: CoRR (2022)
Keyphrases
- retrieval model
- language modeling
- language model
- retrieval effectiveness
- document retrieval
- vector space
- test collection
- information retrieval
- information retrieval systems
- statistical language models
- retrieval systems
- query expansion
- retrieval functions
- semantic information
- query terms
- vector space model
- relevance feedback
- tf idf
- sentence retrieval
- user behavior
- high dimensional
- metadata
- retrieval framework
- learning algorithm