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EUROCRYPT
2012
Springer
13 years 9 months ago
Adaptively Attribute-Hiding (Hierarchical) Inner Product Encryption
This paper proposes the first inner product encryption (IPE) scheme that is adaptively secure and fully attribute-hiding (attribute-hiding in the sense of the definition by Katz...
Tatsuaki Okamoto, Katsuyuki Takashima
WWW
2009
ACM
16 years 7 months ago
Extracting community structure through relational hypergraphs
Social media websites promote diverse user interaction on media objects as well as user actions with respect to other users. The goal of this work is to discover community structu...
Yu-Ru Lin, Jimeng Sun, Paul Castro, Ravi B. Konuru...
WWW
2009
ACM
16 years 7 months ago
An axiomatic approach for result diversification
Understanding user intent is key to designing an effective ranking system in a search engine. In the absence of any explicit knowledge of user intent, search engines want to diver...
Sreenivas Gollapudi, Aneesh Sharma
WWW
2008
ACM
16 years 7 months ago
Facetnet: a framework for analyzing communities and their evolutions in dynamic networks
We discover communities from social network data, and analyze the community evolution. These communities are inherent characteristics of human interaction in online social network...
Yu-Ru Lin, Yun Chi, Shenghuo Zhu, Hari Sundaram, B...
WWW
2007
ACM
16 years 7 months ago
A large-scale evaluation and analysis of personalized search strategies
Although personalized search has been proposed for many years and many personalization strategies have been investigated, it is still unclear whether personalization is consistent...
Zhicheng Dou, Ruihua Song, Ji-Rong Wen