239 search results - page 3 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
INFSOF
2006
13 years 7 months ago
2006
The parametric data model captures an object in terms of a single tuple. This feature eliminates unnecessary self-join operations to combine tuples scattered in a temporal relatio...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Temporal aggregate queries retrieve summarized information about records with time-evolving attributes. Existing approaches have at least one of the following shortcomings: (i) th...
MM
2004
ACM
2004
ACM
SMARXO: towards secured multimedia applications by adopting RBAC, XML and object-relational database
14 years 1 months ago
In this paper, a framework named SMARXO is proposed to address the security issues in multimedia applications by adopting RBAC (Role-Based Access Control), XML, and ObjectRelation...