Analyzing topic drift in query expansion for Information Retrieval from a large-scale patent DataBase.
Bashar Al-ShboulSung-Hyon MyaengPublished in: BigComp (2014)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- patent retrieval
- language model
- relevant documents
- topic drift
- language modeling
- pseudo relevance feedback
- retrieval model
- automatic query expansion
- relevance feedback
- text retrieval
- retrieved documents
- document collections
- model for information retrieval
- ad hoc retrieval
- patent search
- query terms
- text mining
- vocabulary mismatch
- term selection
- information seeking
- biomedical information retrieval
- average precision
- probabilistic retrieval model
- query expansion methods
- query translation
- search engine