Keyphrases
- information retrieval
- information retrieval systems
- text mining
- domain specific
- learning to rank
- search engine
- database
- language modeling
- information systems
- retrieval model
- document retrieval
- computational linguistics
- retrieval effectiveness
- relevant documents
- document collections
- information extraction
- real time
- relevance feedback
- test collection
- probabilistic model
- natural language
- clustering algorithm
- machine learning
- data sets
- latent semantic indexing