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Sub-event discovery and retrieval during natural hazards on social media data.
Qunhui Wu
Shilong Ma
Yunzhen Liu
Published in:
World Wide Web (2016)
Keyphrases
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social media data
social media
information retrieval systems
massive amounts
image retrieval
relevance feedback
retrieval systems
retrieval model
data mining
information retrieval
knowledge discovery
random walk
query expansion