A Bayesian network approach to context sensitive query expansion.
Zheng YeXiangji HuangHongfei LinPublished in: SAC (2011)
Keyphrases
- context sensitive
- query expansion
- bayesian networks
- language model
- information retrieval
- probabilistic model
- information retrieval systems
- language modeling
- retrieval effectiveness
- text retrieval
- pseudo relevance feedback
- retrieval model
- relevance feedback
- n gram
- test collection
- multiword
- automatic query expansion
- document retrieval
- query terms
- natural language
- original query
- machine learning
- biomedical information retrieval
- vector space model
- relevant documents
- natural language processing
- training data