Abstract
Object-oriented databases (OODBs) were developed to support advanced applications for which traditional databases are not sufficient. The data management requirements of these new applications are significantly different from more traditional data processing applications. More light needs to be shed on these requirements in order to identify the aspects of OODBs that can lead to standards. We have studied the data management requirements of one class of advanced database applications: rule-based software development environments (RBDEs). RBDEs store project components in an object database and control access to these objects through a rule-based process model, which defines each development activity as a rule. The components are abstracted as instances of classes which are defined by the project's data model. In this paper we discuss the constructs that a data modeling language for RBDEs should provide, and then explore some of the data management requirements of RBDEs. We use the Marvel system we developed at Columbia as an example.
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