Pseudo-Relevance Feedback Based on mRMR Criteria.
Yuanbin WuQi ZhangYaqian ZhouXuanjing HuangPublished in: AIRS (2010)
Keyphrases
- pseudo relevance feedback
- query expansion
- retrieval effectiveness
- document retrieval
- language model
- retrieved documents
- ad hoc retrieval
- relevance feedback
- retrieval accuracy
- language modelling
- relevance model
- relevant documents
- average precision
- automatic query expansion
- information retrieval
- query specific
- pseudo feedback
- original query
- language modeling
- information retrieval systems
- ad hoc information retrieval
- term frequency
- query terms
- selection criteria
- text categorization
- learning process
- machine learning