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» Query operations for moving objects database systems
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ICASSP
2009
IEEE
14 years 3 months ago
Design of a morphological moving object signature and application to human identification
Many computer vision systems try to infer semantic information about a video scene content by looking at the time series of the silhouettes of the moving objects. This paper propo...
Olivier Barnich, Marc Van Droogenbroeck
IDEAS
2010
IEEE
238views Database» more  IDEAS 2010»
13 years 7 months ago
An integrative approach to query optimization in native XML database management systems
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Andreas M. Weiner, Theo Härder
CIDR
2003
134views Algorithms» more  CIDR 2003»
13 years 10 months ago
Approximate Range Selection Queries in Peer-to-Peer Systems
We present an architecture for a data sharing peer-to-peer system where the data is shared in the form of database relations. In general, peer-to-peer systems try to locate exactm...
Abhishek Gupta, Divyakant Agrawal, Amr El Abbadi
EDBT
2008
ACM
118views Database» more  EDBT 2008»
14 years 9 months ago
Robustness in automatic physical database design
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
Kareem El Gebaly, Ashraf Aboulnaga
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
14 years 10 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...