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» A Method for Secure Query Processing in Mobile Databases
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VLDB
1992
ACM
151views Database» more  VLDB 1992»
15 years 1 months ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu
EDBT
2002
ACM
188views Database» more  EDBT 2002»
15 years 9 months ago
Approximate Processing of Multiway Spatial Joins in Very Large Databases
Existing work on multiway spatial joins focuses on the retrieval of all exact solutions with no time limit for query processing. Depending on the query and data properties, however...
Dimitris Papadias, Dinos Arkoumanis
PET
2010
Springer
14 years 11 months ago
Achieving Efficient Query Privacy for Location Based Services
Mobile smartphone users frequently need to search for nearby points of interest from a location based service, but in a way that preserves the privacy of the users' locations...
Femi G. Olumofin, Piotr K. Tysowski, Ian Goldberg,...
FTDCS
1997
IEEE
15 years 1 months ago
Distributed Transaction Processing as a Reliability Concept for Mobile Agents
Mobile agents offer a new possibility for the development of applications in distributed systems and are no longer a theoretical issue since different architectures for their impl...
Hartmut Vogler, Thomas Kunkelmann, Marie-Luise Mos...
SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
15 years 9 months ago
Ranking queries on uncertain data: a probabilistic threshold approach
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Wenjie Zhang, Xuemin Lin