Query expansion through geographical feature types.
Nuno CardosoMário J. SilvaPublished in: GIR (2007)
Keyphrases
- query expansion
- feature types
- closely related
- information retrieval systems
- retrieval effectiveness
- shape features
- language model
- feature set
- information retrieval
- pseudo relevance feedback
- spatial features
- relevance feedback
- text retrieval
- spatial databases
- automatic query expansion
- original query
- global features
- feature descriptors
- clustering algorithm
- query terms
- location based services
- relevant documents
- document collections
- image database
- text mining
- training set
- bayesian networks