Keyphrases
- text retrieval
- text representation
- image retrieval
- query expansion
- document collections
- document retrieval
- information retrieval
- cross language
- latent semantic indexing
- inverted file
- multimedia retrieval
- retrieval quality
- semantic similarity
- retrieval systems
- semantic information
- natural language
- databases
- keyword extraction
- automatic query expansion
- information retrieval systems
- textual information retrieval