PATATRAS: Retrieval Model Combination and Regression Models for Prior Art Search.
Patrice LopezLaurent RomaryPublished in: CLEF (1) (2009)
Keyphrases
- prior art
- regression model
- retrieval model
- patent search
- patent retrieval
- pseudo relevance feedback
- retrieval effectiveness
- information retrieval systems
- document retrieval
- language model
- patent documents
- language modeling
- model selection
- user queries
- query expansion
- vector space
- relevance feedback
- test collection
- tf idf
- regression analysis
- vector space model
- term frequency
- intellectual property
- probabilistic model
- information retrieval
- retrieval systems
- retrieval process