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MM
2010
ACM
177views Multimedia» more  MM 2010»
13 years 11 months ago
Image tag refinement towards low-rank, content-tag prior and error sparsity
The vast user-provided image tags on the popular photo sharing websites may greatly facilitate image retrieval and management. However, these tags are often imprecise and/or incom...
Guangyu Zhu, Shuicheng Yan, Yi Ma
CIKM
2010
Springer
13 years 9 months ago
Preserving location and absence privacy in geo-social networks
Online social networks often involve very large numbers of users who share very large volumes of content. This content is increasingly being tagged with geo-spatial and temporal c...
Dario Freni, Carmen Ruiz Vicente, Sergio Mascetti,...
JUCS
2010
98views more  JUCS 2010»
13 years 9 months ago
Mobile Agent-based Context-aware Services
: This paper presents an agent-based system for building and operating agent-based context-aware services in public spaces, including museums. The system provides users with agents...
Ichiro Satoh
ICDT
2010
ACM
211views Database» more  ICDT 2010»
14 years 8 months ago
Probabilistic Data Exchange
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
Ronald Fagin, Benny Kimelfeld, Phokion Kolaitis
KDD
2012
ACM
220views Data Mining» more  KDD 2012»
12 years 1 months ago
ComSoc: adaptive transfer of user behaviors over composite social network
Accurate prediction of user behaviors is important for many social media applications, including social marketing, personalization and recommendation, etc. A major challenge lies ...
ErHeng Zhong, Wei Fan, Junwei Wang, Lei Xiao, Yong...