Keyphrases
- information retrieval
- information extraction
- information retrieval systems
- search engine
- mental states
- vector space model
- learning to rank
- retrieval effectiveness
- deception detection
- computational linguistics
- information filtering
- retrieval model
- test collection
- language model
- relevant documents
- query expansion
- language modeling
- co occurrence
- relevance feedback
- knowledge discovery
- text processing
- artificial intelligence
- information retrieval evaluation
- data sets