Multiple Retrieval Models and Regression Models for Prior Art Search.
Patrice LopezLaurent RomaryPublished in: CLEF (Working Notes) (2009)
Keyphrases
- prior art
- patent retrieval
- regression model
- retrieval model
- patent search
- patent documents
- pseudo relevance feedback
- language model
- user queries
- retrieval effectiveness
- information retrieval systems
- document retrieval
- query expansion
- intellectual property
- model selection
- test collection
- multimedia
- language modeling
- vector space
- query topic
- retrieval functions
- tf idf
- term frequency
- retrieval framework
- co occurrence
- relevant documents
- relevance feedback
- text categorization