Keyphrases
- information retrieval
- semi automated
- search engine
- vector space model
- fully automated
- genetic algorithm
- document retrieval
- information extraction
- term weighting
- retrieval effectiveness
- test collection
- information retrieval systems
- question answering
- data sets
- language processing
- query expansion
- real time
- natural language
- linkage analysis
- document collections
- boolean queries
- computational linguistics
- databases
- structured documents
- information systems
- case study
- information access
- language modeling
- similarity measure
- retrieval model
- computer assisted
- computer aided
- probabilistic model
- retrieval systems
- knowledge discovery