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» Sub-linear Queries Statistical Databases: Privacy with Power
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SIGMOD
2012
ACM
223views Database» more  SIGMOD 2012»
11 years 10 months ago
MaskIt: privately releasing user context streams for personalized mobile applications
The rise of smartphones equipped with various sensors has enabled personalization of various applications based on user contexts extracted from sensor readings. At the same time i...
Michaela Götz, Suman Nath, Johannes Gehrke
GIS
2008
ACM
14 years 9 months ago
Monitoring continuous queries over streaming locations
We report on our experience from design and implementation of a powerful map application for managing, querying and visualizing evolving locations of moving objects. Instead of bu...
Kostas Patroumpas, Evi Kefallinou, Timos K. Sellis
KES
2005
Springer
14 years 1 months ago
Fast Video Retrieval via the Statistics of Motion Within the Regions-of-Interest
Abstract. It is a very important issue to quickly retrieve semantic information from a vast multimedia database. In this paper, we propose a statistic-based algorithm to retrieve t...
Jing-Fung Chen, Hong-Yuan Mark Liao, Chia-Wen Lin
STOC
2009
ACM
167views Algorithms» more  STOC 2009»
14 years 8 months ago
Universally utility-maximizing privacy mechanisms
A mechanism for releasing information about a statistical database with sensitive data must resolve a trade-off between utility and privacy. Publishing fully accurate information ...
Arpita Ghosh, Tim Roughgarden, Mukund Sundararajan
ESCIENCE
2007
IEEE
13 years 11 months ago
Storing and Querying Scientific Workflow Provenance Metadata Using an RDBMS
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...
Artem Chebotko, Xubo Fei, Cui Lin, Shiyong Lu, Far...