Contextualized query expansion via unsupervised chunk selection for text retrieval.
Zhi ZhengKai HuiBen HeXianpei HanLe SunAndrew YatesPublished in: Inf. Process. Manag. (2021)
Keyphrases
- text retrieval
- query expansion
- information retrieval systems
- language model
- automatic query expansion
- relevance feedback
- retrieval model
- information retrieval
- retrieval effectiveness
- language modeling
- pseudo relevance feedback
- cross language
- relevant documents
- multimedia retrieval
- latent semantic indexing
- expansion terms
- query expansion methods
- query terms
- document retrieval
- original query
- retrieved documents
- selection criteria
- probabilistic model