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

ER - Intl Conf on Conceptual Modeling

Formalizing the Specification of Web Applications

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As the size of Web applications grows, it becomes clear that we need better tools to deal with their...

Schema Versioning for Archives in Database Systems

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Extremely large and ever growing databases lead to severe problems in storage, database administration, and performance. The integration of...

“Modeling-by-Patterns” of Web Applications

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“A pattern ... describes a problem which occurs over and over again in our environment, and then describes the...

Modeling Cyclic Change

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Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically...

A Unified Framework for Wrapping, Mediating and Restructuring Information from the Web

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The goal of information extraction from the Web is to provide an integrated view on heterogeneous information sources via...

On the Ontological Expressiveness of Temporal Extensions to the Entity-Relationship Model

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It is widely recognized that temporal aspects of database schemas are prevalent, but also difficult to capture using the...

Semantically Accessing Documents Using Conceptual Model Descriptions

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When publishing documents on the Web, the user needs to describe and classify her documents for the benefit of...

Semantic Change Patterns in the Conceptual Schema

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Conceptual schetnas are described using some preferred data model theory. A taxonomy of potential changes can be derived from...

The BRIDGE: A Toolkit Approach to Reverse Engineering System Metadata in Support of Migration...

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The role of reverse engineering system metadata when migrating legacy systems to enterprise software such as PeopleSoft™ has not...

Data Structure Extraction in Database Reverse Engineering

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Database reverse engineering is a complex activity that can be modeled as a sequence of two major processes, namely...