Exploring Combinations of Ontological Features and Keywords for Text Retrieval.
Tru Hoang CaoKhanh C. LeVuong M. NgoPublished in: PRICAI (2008)
Keyphrases
- text retrieval
- keyword extraction
- keywords
- information retrieval
- cross language
- document collections
- low level
- document retrieval
- image retrieval
- retrieval systems
- feature extraction
- image features
- semantic information
- search engine
- automatic query expansion
- latent semantic indexing
- visual features
- feature vectors
- feature space
- vector space
- retrieval model
- query expansion
- distance measure
- co occurrence
- retrieval quality
- text queries