Keyphrases
- retrieval model
- text retrieval
- information retrieval
- effective retrieval
- inverted file
- language model
- language modeling
- retrieval effectiveness
- document retrieval
- retrieval process
- test collection
- information retrieval systems
- query expansion
- vector space model
- inference network model
- vector space
- relevance feedback
- tf idf
- user queries
- retrieval framework
- sentence retrieval
- statistical language models
- retrieval systems
- document collections
- multimedia databases
- object retrieval
- database
- content based retrieval
- digital libraries
- relevant documents
- pattern recognition
- training data
- databases
- retrieval functions