Holistic Query Expansion Using Graphical Models.
Daniel MahlerPublished in: New Directions in Question Answering (2004)
Keyphrases
- graphical models
- query expansion
- belief propagation
- probabilistic model
- information retrieval systems
- retrieval effectiveness
- language model
- approximate inference
- information retrieval
- text retrieval
- probabilistic graphical models
- conditional random fields
- retrieval model
- relevance feedback
- pseudo relevance feedback
- relevant documents
- automatic query expansion
- markov networks
- bayesian networks
- ad hoc retrieval
- query terms
- retrieved documents
- original query
- image segmentation