Data Quality-Based Requirements Elicitation for Decision Support Systems
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Phase.I:.Scenario.
The goal of this phase is to introduce the project to the different levels of the company,
building a consensus about the scope and boundaries of the project (e.g., users,
domains), priorities, and the initial configuration of the information.
The input of this phase consists of (1) details of the project; (2) initial list of domains
involved; and (3) scope and list of participants of the introductory meetings.
The output of the phase is a set of documents containing (1) domains and domain
hierarchy (MAS_DOM); (2) users and user hierarchy (MAS_USR); (3) quality
dimensions (MAS_QTY); and (4) data dictionary (DIC_DATA); aggregation dictionary
(DIC_AGGR). The steps of this phase are skills acquisition and interviews
with referent people.
During skills acquisition, lectures are given to the project team in order to unify
concepts to be addressed in the process. In the project presentation step, the project
is presented to the company??™s decision levels, explaining goals, potential benefits,
impact, and the working methodology. In the global definitions step, JAD meetings
are carried out, aimed at obtaining consensus on:
a.
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