planning - designing - developing IT
Special Interest Group on Systems Analysis and Design

Publications

On Warehousing Historical Web Information

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We present a temporal web data model designed for wa- rehousing historical data from World Wide Web that changes...

On Business Process Model Transformations

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A business process model represents the basic building block for a workflow-enabled enterprise information system. Generally, a process model...

Towards Use Case and Conceptual Models through Business Modeling

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A guide to requirements modeling is presented in this paper, in which use cases and the conceptual model are...

Declarative Mediation in Distributed Systems

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The mediation architecture is widely used for bridging heterogeneous data sources. We investigate how such architecture can be extended...

Temporal Constraints for Object Migration and Behavior Modeling Using Colored Petri Nets

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In databases based on a multi-aspects object-oriented data model which enables multiple aspects of a real-world entity to be...

SQLST : A Spatio-Temporal Data Model and Query Language

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In this paper, we propose a query language and data model for spatio-temporal information, including objects of time-changing geometry....

TBE: Trigger-By-Example

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TBE (Trigger-By-Example) is proposed to assist users in writing trigger rules. TBE is a graphical trigger rule specification language...

Decomposition by Pivoting and Path Cardinality Constraints

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In the relational data model, the problem of data redundancy has been successfully tackled via decomposition. In advanced data...

Using Webspaces to Model Document Collections on the Web

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Due to the unstructured character of data on the web it is hard to find specific information when surfing...

IS=DBS+Interaction: Towards Principles of Information System Design

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Even with the presence of active research communities that study information system design, the term information system (IS) still...