Keyphrases
- information retrieval
- information retrieval systems
- search engine
- test collection
- information extraction
- vector space model
- query expansion
- text mining
- language processing
- retrieval systems
- information access
- retrieval model
- term weighting
- digital media
- digital video
- digital objects
- language modeling
- text retrieval
- artificial intelligence
- data sets
- language model
- genetic algorithm
- similarity measure
- web pages