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Collaborative Topic Ranking: Leveraging Item Meta-Data for Sparsity Reduction.
Weilong Yao
Jing He
Hua Wang
Yanchun Zhang
Jie Cao
Published in:
AAAI (2015)
Keyphrases
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metadata
expert finding
ranking algorithm
web search
digital libraries
collaborative learning
sparse representation
ranking functions
web portals
link analysis
high dimensional
user preferences
opinion retrieval
learning to rank
user feedback
collaborative filtering
database
topic specific
user similarity