RI for IR: Capturing Term Contexts Using Random Indexing for Comprehensive Information Retrieval.
Rajendra PrasathSudeshna SarkarPhilip O'ReillyPublished in: MICAI (1) (2014)
Keyphrases
- information retrieval
- ir models
- term weighting
- automatic indexing
- vector space model
- query terms
- information retrieval systems
- text retrieval
- term weighting schemes
- test collection
- trec test collections
- index terms
- term selection
- query expansion
- retrieval model
- language modeling
- information access
- ir evaluation
- retrieval effectiveness
- learning to rank
- inverse document frequency
- tf idf
- document collections
- document indexing
- document representation
- document retrieval
- language model
- information extraction
- web ir
- search engine
- retrieval systems
- question answering
- relevance feedback
- retrieval process
- term frequency
- relevant documents
- text categorization
- language modeling framework
- probabilistic retrieval models