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SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 7 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
PODS
2002
ACM
167views Database» more  PODS 2002»
14 years 7 months ago
OLAP Dimension Constraints
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
Carlos A. Hurtado, Alberto O. Mendelzon
EDBT
2008
ACM
112views Database» more  EDBT 2008»
14 years 7 months ago
Providing freshness guarantees for outsourced databases
Database outsourcing becomes increasingly attractive as advances in network technologies eliminate the perceived performance difference between in-house databases and outsourced d...
Min Xie, Haixun Wang, Jian Yin, Xiaofeng Meng
MOBISYS
2008
ACM
14 years 7 months ago
Composcan: adaptive scanning for efficient concurrent communications and positioning with 802.11
Using 802.11 concurrently for communications and positioning is problematic, especially if location-based services (e.g., indoor navigation) are concurrently executed with real-ti...
Mikkel Baun Kjærgaard, Thomas King
POPL
2010
ACM
14 years 5 months ago
Monads in Action
In functional programming, monadic characterizations of computational effects are normally understood denotationally: they describe how an effectful program can be systematically ...
Andrzej Filinski