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ICDE
1998
IEEE
139views Database» more  ICDE 1998»
13 years 12 months ago
Cost and Imprecision in Modeling the Position of Moving Objects
Consider a database that represents the location of moving objects, such as taxi-cabs (typical query: retrieve the cabs that are currently within 1 mile of 33 Michigan Ave., Chica...
Ouri Wolfson, Sam Chamberlain, Son Dao, Liqin Jian...
EUROMICRO
2000
IEEE
14 years 4 days ago
A Universal Framework for Managing Metadata in the Distributed Dragon Slayer System
In the multimedia field, metadata are becoming increasingly important for efficiently cataloguing the abundant flood of information. (Metadata are data on information structure...
Horst Wedde, Jens-Oliver P. Siepmann
ACISP
2001
Springer
14 years 7 days ago
Private Information Retrieval Based on the Subgroup Membership Problem
Abstract. Many algorithmic problems, which are used to prove the security of a cryptographic system, are shown to be characterized as the subgroup membership problem. We then apply...
Akihiro Yamamura, Taiichi Saito
ICDE
2008
IEEE
157views Database» more  ICDE 2008»
14 years 9 months ago
Spatial Outsourcing for Location-based Services
- The embedding of positioning capabilities in mobile devices and the emergence of location-based applications have created novel opportunities for utilizing several types of multi...
Yin Yang, Stavros Papadopoulos, Dimitris Papadias,...
PODS
2010
ACM
249views Database» more  PODS 2010»
14 years 24 days ago
Semantic query optimization in the presence of types
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
Michael Meier 0002, Michael Schmidt, Fang Wei, Geo...