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» Modeling and Querying Semi-structured Data
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IDEAS
2007
IEEE
135views Database» more  IDEAS 2007»
14 years 2 months ago
Bitmap Index Design Choices and Their Performance Implications
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
Elizabeth J. O'Neil, Patrick E. O'Neil, Kesheng Wu
GAMESEC
2011
287views Game Theory» more  GAMESEC 2011»
12 years 8 months ago
Collaborative Location Privacy with Rational Users
Recent smartphones incorporate embedded GPS devices that enable users to obtain geographic information about their surroundings by providing a location-based service (LBS) with the...
Francisco Santos, Mathias Humbert, Reza Shokri, Je...
WWW
2003
ACM
14 years 9 months ago
The chatty web: emergent semantics through gossiping
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...
Karl Aberer, Manfred Hauswirth, Philippe Cudr&eacu...
SIGMOD
2009
ACM
197views Database» more  SIGMOD 2009»
14 years 8 months ago
Secure kNN computation on encrypted databases
Service providers like Google and Amazon are moving into the SaaS (Software as a Service) business. They turn their huge infrastructure into a cloud-computing environment and aggr...
Wai Kit Wong, David Wai-Lok Cheung, Ben Kao, Nikos...
SIGMOD
2004
ACM
165views Database» more  SIGMOD 2004»
14 years 8 months ago
Industrial-Strength Schema Matching
Schema matching identifies elements of two given schemas that correspond to each other. Although there are many algorithms for schema matching, little has been written about build...
Philip A. Bernstein, Sergey Melnik, Michalis Petro...