1860 search results - page 33 / 372 » A Model of Queries for Object-Oriented Databases |
ICDT
2007
ACM
15 years 6 months ago
2007
ACM
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
122
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DBSEC
2006
15 years 1 months ago
2006
In the Database-As-a-Service (DAS) model, clients store their database contents at servers belonging to potentially untrusted service providers. To maintain data confidentiality, ...
110
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DOLAP
2005
ACM
15 years 2 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
128
Voted
TIME
2009
IEEE
15 years 7 months ago
2009
IEEE
—Past research on temporal databases has primarily focused on state-based representations and on relational query language extensions for such representations. This led to many d...
105
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LPNMR
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...