A comparative analysis of methodologies for database schema integration
ACM Computing Surveys (CSUR)
Component-oriented software development
Communications of the ACM - Special issue on analysis and modeling in software development
Communications of the ACM - Special issue on analysis and modeling in software development
Concept bases: a support to information systems integration
CAiSE '94 Proceedings of the 6th international conference on Advanced information systems engineering
Issues and approaches of database integration
Communications of the ACM
On the foundations of the universal relation model
ACM Transactions on Database Systems (TODS)
Component-based enterprise frameworks
Communications of the ACM
DANTE '99 Proceedings of the 1999 International Symposium on Database Applications in Non-Traditional Environments
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In this paper, we define an Information System component (ISC) in a data-intensive application context. An ISC is considered as an autonomous IS, respecting a set of completeness conditions. It is defined through a static space, a dynamic space and an integrity rules space. We use the hyperclass concept to implement the static space. A hyperclass is a large class, formed from a subset of conceptual classes of the global schema of a database, forming a unit with a precise semantics. This concept introduces a kind of modularity in the definition and the management of a database schema and a powerful kind of independence between the methods and the schema. Applied to a ISC, it facilitates its handling when refined or integrated.