Query expansion using path-constrained random walks.
Jianfeng GaoGu XuJinxi XuPublished in: SIGIR (2013)
Keyphrases
- query expansion
- information retrieval systems
- language model
- retrieval effectiveness
- information retrieval
- pseudo relevance feedback
- language modeling
- relevance feedback
- retrieval model
- trec genomics track
- text retrieval
- query disambiguation
- improving search
- relevant documents
- biomedical information retrieval
- ad hoc retrieval
- automatic query expansion
- query terms
- ranked retrieval
- retrieved documents
- web corpora
- model for information retrieval
- original query
- query translation
- sentence retrieval
- document ranking
- vocabulary mismatch
- query expansion methods
- probabilistic model
- digital libraries