Query expansion using random walk models.

Kevyn Collins-Thompson Jamie Callan

Published 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