The patent retrieval task in the fourth NTCIR workshop.
Atsushi FujiiMakoto IwayamaNoriko KandoPublished in: SIGIR (2004)
Keyphrases
- patent retrieval
- clef ip
- test collection
- prior art
- patent documents
- patent search
- information retrieval
- query translation
- query expansion
- retrieval effectiveness
- intellectual property
- selected papers
- ir evaluation
- web retrieval
- language model
- neural network
- invited paper
- evaluation metrics
- retrieval model
- search engine
- acm sigkdd
- learning algorithm
- patent information