Keyphrases
- information retrieval
- entity linking
- topic modeling
- semantic search
- information retrieval systems
- knowledge base
- vector space model
- text mining
- topic models
- test collection
- search engine
- query expansion
- document retrieval
- information extraction
- machine learning
- document collections
- language model
- structured data
- relevance feedback
- query terms
- retrieval effectiveness
- learning to rank
- knowledge discovery
- bayesian networks
- relevance model