Keyphrases
- document collections
- inverted file
- information retrieval systems
- result lists
- document retrieval
- information retrieval
- relevance ranking
- relevant documents
- document representation
- test collection
- document clustering
- text retrieval
- databases
- keyword search
- search queries
- digital libraries
- scatter gather
- text data
- information extraction
- data collections
- ad hoc retrieval
- multimedia
- learning algorithm