Overview of Patent Retrieval Task at NTCIR-5.
Atsushi FujiiMakoto IwayamaNoriko KandoPublished in: NTCIR (2005)
Keyphrases
- patent retrieval
- clef ip
- test collection
- patent documents
- prior art
- patent search
- query translation
- retrieval effectiveness
- information retrieval
- query expansion
- intellectual property
- retrieval model
- patent information
- evaluation metrics
- future trends
- bayesian networks
- web retrieval
- ir evaluation
- learning algorithm
- relevant documents
- search engine
- databases
- trec web