Keyphrases
- document retrieval
- language model
- document collections
- information retrieval
- retrieval model
- text retrieval
- google maps
- spreading activation
- ranking functions
- relevance feedback
- semantic mapping
- relevant documents
- document indexing
- learning to rank
- document ranking
- inverted index
- test collection
- learning process
- decision trees
- retrieved documents
- retrieval strategies
- search engine
- question answering systems
- machine learning
- databases