Keyphrases
- document retrieval
- main memory
- data structure
- database management systems
- language model
- document collections
- index structure
- cache conscious
- retrieval model
- information retrieval
- external memory
- secondary storage
- text retrieval
- relevance feedback
- flash memory
- main memory databases
- secondary memory
- memory storage
- virtual memory
- join algorithms
- document ranking
- disk resident data
- pseudo relevance feedback
- b tree
- relevant documents
- multi dimensional
- retrieved documents
- relational database systems
- high dimensional
- training data
- database systems