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Decision Support Systems

A Logic Modeling Language for Automated Model Construction

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This paper describes PM* (read PM-star), a first-order logic based language, that is the basis of a knowledge based...

Understanding expertise in information systems design, or, What’ s all the fuss about objects?

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The concept of Object Orientation (00) is very appealing to many in the information systems field. Although it requires...

A structured modeling based methodology to design decision support systems

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Many Decision Support Systems (DSS) support the decision making process through the use of mathematical models and data. DSS...

OO/DEVS: A platform for industry simulation and strategic modelling

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OO/DEVS is a software platform designed for industry modelling and simulation. By that we refer to the modelling of...

BLOOMS: A prototype modeling language with object oriented features

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The success of a Decision Support System (DSS) can be mainly attributed to the language it uses. The language...

Denormalization strategies for data retrieval from data warehouses

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In this study, the effects of denormalization on relational database system performance are discussed in the context of using...

MACRAME: A modelling methodology in multiactor contexts

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A modelling methodology and a tool that supports the analyst in contexts characterized by a multiplicity of actors and...

A comparison of the usability of performing ad hoc querying on dimensionally modeled data...

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To study the usability of dimensionally modeled data (DMD), we conducted an experiment involving 113 participants to analyze their...

An object-oriented approach to model management

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In order to apply the object-oriented programming paradigm to Model Management, a model must be interpreted as a collection...

An expert system with case-based reasoning for database schema design

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In this paper, we present a Design Expert System for Database Schema (DES-DS) based upon case-based reasoning. Instead of...