Keyphrases
- information retrieval
- information retrieval systems
- information access
- artificial intelligence
- retrieval model
- search engine
- information extraction
- test collection
- text mining
- language modeling
- retrieval effectiveness
- document collections
- vector space model
- computer science
- facility location problem
- computational linguistics
- selected papers
- data sets
- learning to rank
- document retrieval
- query expansion
- information filtering
- knowledge discovery
- digital libraries
- neural network