Regression Model and Query Expansion for NTCIR-2 Ad Hoc Retrieval Task.
Kazuaki KishidaPublished in: NTCIR (2001)
Keyphrases
- regression model
- query expansion
- patent retrieval
- retrieval effectiveness
- test collection
- query translation
- information retrieval systems
- language model
- information retrieval
- relevant documents
- language modeling
- relevance feedback
- model selection
- retrieval model
- text retrieval
- regression analysis
- automatic query expansion
- pseudo relevance feedback
- ad hoc retrieval
- original query
- generalized linear models
- average precision
- improving search
- interval valued data
- query disambiguation
- evaluation metrics
- query terms
- retrieved documents
- high dimensional
- ranked retrieval
- multivariate regression
- cross lingual
- biomedical information retrieval
- relevance model
- decision trees