Modeling Dynamic Objects in Video Databases: A Logic Based Approach
In this work we propose a state-based approach to model video data so that the semantics of the video...
Resolving Conflicts and Handling Replication during Integration of Multiple Databases by Object Deputy Model
During integration of multiple databases, there are a lot of methods to resolve various syntactical and semantic conflicts. However,...
Pockets of Flexibility in Workflow Specification
Workflow technology is currently being deployed in quite diverse domains. However, the element of change is present in some...
Efficient Execution of Range-Aggregate Queries in Data Warehouse Environments
Range-aggregate queries on the data cube are powerful tools for analysis in data warehouse environments. Cubetree is a technique...
A Pragmatic Approach to Conceptual Modeling of OLAP Security
Traditionally data warehouses were queried by high level users (executive management, business analysts) only. As the range of potential...
A Randomized Approach for the Incremental Design of an Evolving Data Warehouse
A Data Warehouse (DW) can be used to integrate data from multiple distributed data sources. A DW can be...
Semantics of Stereotypes for Type Specification in UML: Theory and Practice
In the context of object-oriented formalism, stereotypes are presented as a new means for user-defined extensions of the Unified...
Towards Ontologically Based Semantics for UML Constructs
Conceptual models are formal descriptions of application domains that are used in early stages of system development to support...
Developing Sequence Diagrams in UML
The UML (Unified Modeling Language) has been widely accepted as a standard language for object-oriented analysis and design. Among...
Translation of a High-Level Temporal Model into Lower Level Models: Impact of Modelling at...
The paper attempts theoretically to clarify the interrelation between various levels of descriptions used in the modelling and the...