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Query topic detection for reformulation.
Xuefeng He
Jun Yan
Jinwen Ma
Ning Liu
Zheng Chen
Published in:
WWW (2007)
Keyphrases
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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