An Empirical Comparison of Term Association and Knowledge Graphs for Query Expansion.
Saeid BalaneshinkordanAlexander KotovPublished in: ECIR (2016)
Keyphrases
- query expansion
- web corpora
- expansion terms
- information retrieval systems
- retrieval effectiveness
- term selection
- query terms
- information retrieval
- pseudo relevance feedback
- text retrieval
- language model
- relevance feedback
- ad hoc retrieval
- original query
- improving search
- probabilistic retrieval model
- relevance model
- relevant documents
- language modeling
- query translation
- query disambiguation
- retrieval model
- ranked retrieval
- co occurrence
- vocabulary mismatch
- initial query
- document representation
- pseudo feedback
- automatic query expansion
- language modeling framework
- term frequency
- trec genomics track
- term mismatch
- retrieved documents