Query Expansion with Semantic-Based Ellipsis Reduction for Conversational IR.
Chia-Yuan ChangNing ChenWei-Ting ChiangChih-Hen LeeYu-Hsuan TsengChuan-Ju WangHsien-Hao ChenMing-Feng TsaiPublished in: TREC (2020)
Keyphrases
- query expansion
- retrieval effectiveness
- information retrieval
- information retrieval systems
- language model
- text retrieval
- retrieval model
- relevance feedback
- pseudo relevance feedback
- language modeling
- ad hoc retrieval
- trec genomics track
- model for information retrieval
- query terms
- original query
- relevant documents
- ranked retrieval
- automatic query expansion
- biomedical information retrieval
- natural language
- vocabulary mismatch
- improving search
- document ranking
- term selection
- language modeling framework
- query expansion methods
- document retrieval
- patent retrieval
- short queries
- pseudo feedback
- relevance model
- query translation
- information access
- query disambiguation
- active learning