Robust Query-Specific Pseudo Feedback Document Selection for Query Expansion.
Qiang HuangDawei SongStefan M. RügerPublished in: ECIR (2008)
Keyphrases
- pseudo feedback
- query specific
- query expansion
- pseudo relevance feedback
- language model
- information retrieval systems
- retrieved documents
- language modeling
- relevant documents
- information retrieval
- retrieval effectiveness
- cross lingual
- text retrieval
- original query
- retrieval model
- relevance model
- ad hoc retrieval
- relevance feedback
- average precision
- retrieval systems
- retrieval accuracy
- document ranking
- expansion terms
- text categorization
- test collection
- passage retrieval
- federated search
- information extraction