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185
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PODS
2005
ACM
16 years 6 months ago
2005
ACM
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
165
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PERCOM
2004
ACM
16 years 6 months ago
2004
ACM
RFID (Radio-Frequency Identification) tags are small, inexpensive microchips capable of transmitting unique identifiers wirelessly over a short distance. Thanks to their utility i...
186
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ESORICS
2009
Springer
16 years 1 months ago
2009
Springer
For nearest neighbor search, a user queries a server for nearby points of interest (POIs) with his/her location information. Our aim is to protect the user’s sensitive informatio...
170
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WMCSA
2009
IEEE
16 years 1 months ago
2009
IEEE
There is an inherent tension between the value provided by Location-Based Services (LBSs) and the location-privacy concerns they raise. Unfortunately, users are often forced to ei...
176
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CSFW
2008
IEEE
16 years 1 months ago
2008
IEEE
DKAL is a new declarative authorization language for distributed systems. It is based on existential fixed-point logic and is considerably more expressive than existing authoriza...