Overview of the TREC 2009 Chemical IR Track.
Mihai LupuFlorina PiroiXiangji HuangJianhan ZhuJohn TaitPublished in: TREC (2009)
Keyphrases
- clef ip
- information retrieval
- ir evaluation
- retrieval effectiveness
- intellectual property
- patent retrieval
- test collection
- ad hoc retrieval
- document rankings
- information retrieval systems
- relevance assessments
- prior art
- relevance feedback
- query performance prediction
- query expansion
- relevance judgements
- question answering
- text retrieval
- probabilistic retrieval model
- pseudo relevance feedback
- retrieval model
- language model
- biomedical information retrieval
- relevance judgments
- query difficulty
- patent documents
- statistical significance
- search tasks
- web search
- information extraction