UNT 2005 TREC QA Participation: Using Lemur as IR Search Engine.
Jiangping ChenPing YuHe GePublished in: TREC (2005)
Keyphrases
- information retrieval
- question answering
- search engine
- qa clef
- passage retrieval
- retrieval effectiveness
- test collection
- ir evaluation
- information retrieval systems
- answer extraction
- search queries
- short queries
- information extraction
- information access
- keywords
- document rankings
- web search engines
- language model
- cross language
- result merging
- text retrieval
- web search
- retrieval systems
- retrieval model
- question answering systems
- query expansion
- web pages
- vector space model
- web retrieval
- information discovery
- adversarial information retrieval
- relevance feedback
- information seeking
- relevant documents
- document retrieval
- ad hoc retrieval
- document collections
- user queries
- relevance judgements
- qa systems
- document ranking
- query logs
- learning to rank
- distributed information retrieval
- meta search
- language modeling
- trec web track
- clef ip
- relevance assessments
- natural language