Advances in Object-Oriented Data Modeling by Michael P. Papazoglou, Stefano Spaccapietra, Zahir Tari

By Michael P. Papazoglou, Stefano Spaccapietra, Zahir Tari

Until eventually lately, details structures were designed round assorted company services, comparable to money owed payable and stock regulate. Object-oriented modeling, against this, constructions structures round the data--the objects--that make up some of the company capabilities. simply because information regarding a selected functionality is proscribed to at least one place--to the object--the approach is protected from the consequences of swap. Object-oriented modeling additionally promotes larger knowing of necessities, transparent designs, and extra simply maintainable systems.This ebook specializes in contemporary advancements in representational and processing points of advanced data-intensive purposes. The chapters disguise "hot" issues reminiscent of program habit and consistency, opposite engineering, interoperability and collaboration among gadgets, and work-flow modeling. each one bankruptcy includes a assessment of its topic, via object-oriented modeling suggestions and methodologies that may be utilized to real-life applications.Contributors : F. Casati, S. Ceri, R. Cicchetti, L. M. L. Delcambre, E. F. Ecklund, D. W. Embley, G. Engels, J. M. Gagnon, R. Godin, M. Gogolla, L. Groenewegen, G. S. Jensen, G. Kappel, B. J. Krämer, S. W. Liddle, R. Missaoui, M. Norrie, M. P. Papazoglou, C. father or mother, B. Perniei, P. Poncelet, G. Pozzi, M. Schreft, R. T. Snodgrass, S. Spaccapietra, M. Stumptner, M. Teisseire, W. J. van den Heuevel, S. N. Woodfield.

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O. edu Earl F. edu This paper presents a behavioral approach to object-oriented analysis and design and compares it to a structural approach. The difference between these two approaches is most apparent dur­ ing the analysis phase of software development when the first object model is selected. Our behavioral approach is use case-driven during analysis: objects are selected and responsibili­ ties are assigned to objects precisely because they are needed to support the behavior of one or more use cases.

The progression of semantic data models to object data models is therefore hard to define in terms of distinguishing constructs. Rather it was a gradual and natural trend which paralleled the new object-based paradigms influencing other areas of computer science. Two papers provide surveys of the first generation of semantic data models. Peckham and Maryanski (24) give a comparative review of a number of semantic data models,while Hull and King (13) examine semantic data modeling concepts through the introduction of a generic semantic data model based on the formal object data model IFO (3).

These interface and control objects have straightforward responsibilities and no associations. 4 simply represent the responsibilities to "know" another object in a graphical manner. Using responsibilities rather than attributes hides the implementation mechanism. For example, Customer has a responsibility to "know if on Blacklist" which could be implemented as a query function against a Blacklist database or data structure, or as a Boolean attribute of Customer. During analysis, these implementation choices are secondary to capturing the behavior that requires a customer to know whether it is or is not blacklisted.

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