Query topic detection for reformulation.

Xuefeng He Jun Yan Jinwen Ma Ning Liu Zheng Chen

Published in: WWW (2007)

Keyphrases

topic detection
query processing
hot topics
trend analysis
text classification
document corpus
document clustering
document collections
document level
data sources
query expansion
user queries
text data
query terms
sentence level
retrieval method
machine learning
relevance feedback
information retrieval