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SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 10 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...
MOBIHOC
2008
ACM
14 years 9 months ago
Generic mobility simulation framework (GMSF)
Vehicular ad-hoc networks with inter-vehicular communications are a prospective technology which contributes to safer and more efficient roads and offers information and entertain...
Rainer Baumann, Franck Legendre, Philipp Sommer
CGA
2008
13 years 10 months ago
Interactive Reconfiguration of Urban Layouts
The ability to create and edit a model of a large-scale city is necessary for a variety of applications such as web-based navigation (e.g., MapQuest, GoogleEarth), emergency respo...
Daniel G. Aliaga, Bedrich Benes, Carlos A. Vanegas...
WWW
2008
ACM
13 years 9 months ago
Discovering co-located queries in geographic search logs
A geographic search request contains a query consisting of one or more keywords, and a search-location that the user searches for. In this paper, we study the problem of discoveri...
Xiangye Xiao, Longhao Wang, Xing Xie, Qiong Luo
ECCC
2011
223views ECommerce» more  ECCC 2011»
13 years 4 months ago
A Case of Depth-3 Identity Testing, Sparse Factorization and Duality
Polynomial identity testing (PIT) problem is known to be challenging even for constant depth arithmetic circuits. In this work, we study the complexity of two special but natural ...
Chandan Saha, Ramprasad Saptharishi, Nitin Saxena