Sciweavers

1959 search results - page 315 / 392
» Document Management as a Database Problem
Sort
View
MLDM
2007
Springer
15 years 3 months ago
Mining Frequent Trajectories of Moving Objects for Location Prediction
Advances in wireless and mobile technology flood us with amounts of moving object data that preclude all means of manual data processing. The volume of data gathered from position...
Mikolaj Morzy
SSDBM
2006
IEEE
129views Database» more  SSDBM 2006»
15 years 3 months ago
Indexing Time-Evolving Data With Variable Lifetimes
Many applicationsstore data items for a pre-determined, finite length of time. Examples include slidingwindows over on-line data streams, where old data are dropped as the window...
Lukasz Golab, Piyush Prahladka, M. Tamer Özsu
ICDE
2005
IEEE
63views Database» more  ICDE 2005»
15 years 3 months ago
Privacy Contracts as an Extension of Privacy Policies
Individuals are becoming increasingly concerned regarding the protection of their personal information. In an attempt to ease the privacy concerns of individuals, organisations pu...
Hendrik J. G. Oberholzer, Martin S. Olivier
CIKM
2005
Springer
15 years 3 months ago
Selectivity-based partitioning: a divide-and-union paradigm for effective query optimization
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
Neoklis Polyzotis
MIDDLEWARE
2005
Springer
15 years 3 months ago
Adaptive query processing in mobile environment
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
Hocine Grine, Thierry Delot, Sylvain Lecomte