On the Acceptability of Conceptual Design Models for Web Applications
A possible measure of quality for any model or methodology is the degree of acceptance and usage. This paper...
Bless the ODS
This article challenges the conventional role of operational data stores and staging areas in managing a corporate information factory...
Consistency by Construction: The Case of MERODE
Modeling languages such as UML offer a set of basic models to describe a software system from different views...
Conceptual Treatment of Multivalued Dependencies
Multivalued dependencies are considered to be difficult to teach, to handle and to model. This observation is true if...
Entity Types Derived by Symbol-Generating Rules
We review the definition of entity types derived by symbol-generating rules. These types appear frequently in conceptual schemas. However,...
DAISY, an RER Model Based Interface for RDB to ILP
In this paper, we propose an RER (Refined-Entity-Relationship) model, an extension of the ER (Entity-Relationship) model, which has an...
Context-Based Data Mining Using Ontologies
Data mining, which aims at extracting interesting information from large collections of data, has been widely used as an...
Mining Typical Preferences of Collaborative User Groups
Collaborative filtering systems have the problems of sparsity– providing a recommendation by correlation between only two customers’ preferences, and...
Conceptual Modeling of Concurrent Systems through Stepwise Abstraction and Refinement Using Petri Net Morphisms
Development of complex concurrent systems is very often performed in a top-down or bottom-up approach depending on design circumstances....
Taxonomy-Based Conceptual Modeling for Peer-to-Peer Networks
We present a taxonomy-based conceptual modeling approach for building P2P systems that support semantic-based retrieval services. We adopt this...
