Query expansion using random walk models.
Kevyn Collins-ThompsonJamie CallanPublished in: CIKM (2005)
Keyphrases
- random walk
- query expansion
- transition probabilities
- information retrieval systems
- pseudo relevance feedback
- information retrieval
- markov chain
- directed graph
- retrieval effectiveness
- transition probability matrix
- language model
- language modeling
- markov random walk
- relevance model
- relevant documents
- relevance feedback
- text retrieval
- link prediction
- retrieval model
- automatic query expansion
- query translation
- text classification
- clustering algorithm
- feature selection