deals with changes in
the information that supports the methodology (dictionaries, forms, etc.).
??? Users:.Any person participating in the project is considered a user. Users
to be interviewed are (a) data producers, who will participate in interviews
aimed at understanding data; (b) data consumers, who will be interviewed
for defining the queries that will be posed to the system; (c) referent users are
users with a higher hierarchy in the organization than the ones defined in (a)
and (b); referent users participate in interviews where the scope of the system
and priorities are defined. She also solves conflicts between requirements of
different users. Priorities are defined for users, ranging from 1 to 5. Users are
associated to domains (sales, acquisitions). Each domain has a priority, also
ranging between 1 and 5.
??? Data.sources: DSS-METRIQ defines two kinds of data sources: physical and
logical. The former are sources where data are actually stored. The latter are
sets of data sources producing a data element (i.e., set of physical data sources
producing a view).
Example.1: The attribute daily_sales is stored in the table Daily_Sales_
Summary, belonging to the operational database SalesCentral. This da-
68 Vaisman
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