Investigating external corpus and clickthrough statistics for query expansion in the legal domain.
Tonya CustisKhalid Al-KofahiPublished in: CIKM (2008)
Keyphrases
- query expansion
- information retrieval systems
- search logs
- information retrieval
- document level
- relevance feedback
- retrieval effectiveness
- web corpora
- pseudo relevance feedback
- text retrieval
- language modeling
- language model
- relevant documents
- retrieval model
- web search
- improving search
- automatic query expansion
- query translation
- query terms
- search engine
- user queries
- query disambiguation
- query specific
- retrieved documents
- original query
- cross domain
- initial query
- ranked retrieval