Query Enhancement for Patent Prior-Art-Search Based on Keyterm Dependency Relations and Semantic Tags.
Khanh-Ly NguyenSung-Hyon MyaengPublished in: IRFC (2012)
Keyphrases
- patent prior art search
- semantic tags
- dependency relations
- keyword search
- query processing
- prior art
- database
- query expansion
- patent retrieval
- clef ip
- patent search
- relevance feedback
- search engine
- retrieval systems
- user queries
- keywords
- query formulation
- data sources
- semantic relations
- vector space
- average precision
- semantic information
- semantically annotated
- low level
- relational databases