14-29).
West, D. B. (1996). Introduction to graph theory. Prentice Hall.
8 Vaisman
Copyright ?© 2007, Idea Group Inc. Copying or distributing in print or electronic forms without written permission of
Idea Group Inc. is prohibited.
Chapter.III
Data.Quality-Based.
Requirements.
Elicitation.for.Decision.
Support.Systems
Alejandro Vaisman
Universidad de Buenos Aires, Argentina
Abstract
Today, information and timely decisions are crucial for an organization??™s success. A
decision support system (DSS) is a software tool that provides information allowing
its users to make decisions timely and cost effectively. This is highly conditioned
by the quality of the data involved, usually stored in a data warehouse, and by a
sound and complete requirements analysis. In this chapter we show that conventional
techniques for requirements elicitation cannot be used in DSS, and present
a methodology denoted DSS-METRIQ,.aimed at providing a single data qualitybased
procedure for complete and consistent elicitation of functional (queries) and
nonfunctional (data quality) requirements. The outcomes of the process are a set
Data Quality-Based Requirements Elicitation for Decision Support Systems
Copyright ?© 2007, Idea Group Inc. Copying or distributing in print or electronic forms without written permission
of Idea Group Inc. is prohibited.
of requirement documents and a specification of the operational data sources that
can satisfy such requirements.
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