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131
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KDD
2009
ACM
16 years 5 months ago
2009
ACM
Most of recommender systems try to find items that are most relevant to the older choices of a given user. Here we focus on the "surprise me" query: A user may be bored ...
175
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MOBISYS
2009
ACM
16 years 5 months ago
2009
ACM
PEIR, the Personal Environmental Impact Report, is a participatory sensing application that uses location data sampled from everyday mobile phones to calculate personalized estima...
235
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VLDB
2006
ACM
16 years 5 months ago
2006
ACM
Abstract We explore the problem of portable and flexible privacy preserving access rights that permit access to a large collection of digital goods. Privacy-preserving access contr...
161
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MOBISYS
2008
ACM
16 years 4 months ago
2008
ACM
Mobile phones have the potential to be useful agents for their owners by detecting and reporting situations that are of interest. Several challenges emerge in the case of detectin...
128
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
— Complex ad hoc join queries over enterprise databases are commonly used by business data analysts to understand and analyze a variety of enterprise-wide processes. However, eff...