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SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
16 years 6 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...
MIR
2010
ACM
229views Multimedia» more  MIR 2010»
16 years 1 months ago
Wavelet, active basis, and shape script: a tour in the sparse land
Sparse coding is a key principle that underlies wavelet representation of natural images. In this paper, we explain that the effort of seeking a common wavelet sparse coding of i...
Zhangzhang Si, Ying Nian Wu
IMC
2009
ACM
16 years 27 days ago
One-click hosting services: a file-sharing hideout
File sharing using peer-to-peer (p2p) systems is a major Internet application and the leading source of network traffic today. However, the dominance of p2p systems for file sha...
Demetres Antoniades, Evangelos P. Markatos, Consta...
HM
2007
Springer
137views Optimization» more  HM 2007»
16 years 16 days ago
A Hybrid VNS for Connected Facility Location
The connected facility location (ConFL) problem generalizes the facility location problem and the Steiner tree problem in graphs. Given a graph G = (V, E), a set of customers D ⊆...
Ivana Ljubic
MLDM
2007
Springer
16 years 15 days ago
Transductive Learning from Relational Data
Transduction is an inference mechanism “from particular to particular”. Its application to classification tasks implies the use of both labeled (training) data and unlabeled (...
Michelangelo Ceci, Annalisa Appice, Nicola Barile,...