Overview of Patent Retrieval Task at NTCIR-4.
Atsushi FujiiMakoto IwayamaNoriko KandoPublished in: NTCIR (2004)
Keyphrases
- patent retrieval
- clef ip
- patent documents
- prior art
- test collection
- patent search
- information retrieval
- query translation
- retrieval effectiveness
- ir evaluation
- query expansion
- evaluation metrics
- databases
- intellectual property
- patent information
- average precision
- question answering
- retrieval model
- relevant documents
- document collections
- case study
- social networks
- search engine
- data mining
- database