CAS-ICT at TREC 2005 Robust Track: Using Query Expansion and RankFusion to Improve Effectiveness and Robustness of Ad Hoc Information Retrieval.
Guodong DingBin WangShuo BaiPublished in: TREC (2005)
Keyphrases
- query expansion
- ad hoc information retrieval
- pseudo relevance feedback
- language model
- biomedical information retrieval
- retrieval effectiveness
- ad hoc retrieval
- information retrieval
- language modeling
- trec collections
- relevance feedback
- document retrieval
- information retrieval systems
- text retrieval
- retrieval model
- test collection
- interactive query expansion
- relevant documents
- short queries
- probabilistic model
- relevance model
- automatic query expansion
- retrieval accuracy
- biomedical text
- retrieved documents
- machine learning
- probabilistic retrieval model
- query translation
- query terms
- inter document similarities
- ranked retrieval