Read e-book online Advanced Information Systems Engineering: 12th International PDF

By Dennis Tsichritzis (auth.), Benkt Wangler, Lars Bergman (eds.)

ISBN-10: 3540676309

ISBN-13: 9783540676300

CAiSE 2000 used to be the twelfth within the sequence of overseas meetings on complicated details platforms Engineering. within the 12 months 2000 the convention lower back to Stockholm the place it used to be geared up the first actual time. on the grounds that that yr, 1989, the CAiSE meetings have constructed into a huge discussion board for the presentation and trade of study effects and functional stories in the box of knowledge platforms Engineering. the target of the CAiSE convention sequence is to collect researchers and practitioners within the box of knowledge platforms engineering to fulfill each year so that it will talk about evolving examine matters and purposes during this box. The CAiSE convention sequence additionally goals to supply a chance for younger scientists to set up relationships with senior scientists of their parts of curiosity. Stockholm is a crucial middle of analysis and improvement for many of the major IT and communications businesses in Europe and certainly, on the planet. In song with this surroundings, a big topic of CAiSE 2000 was once "information structures and companies in a digitized world". This subject displays the sizeable advancements in verbal exchange know-how, together with the expanding use of net and WWW, that has taken position during the last years, and that has resulted in greater verbal exchange and more straightforward details entry ordinarily. additionally, this improvement has initiated adjustments within the means corporations cooperate and trade.

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Additional info for Advanced Information Systems Engineering: 12th International Conference, CAiSE 2000 Stockholm, Sweden, June 5–9, 2000 Proceedings

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Recently, XML-related issues have also been studied in this area. For example, MIX[4] is an XML-based DTD driven mediator prototype. In MIX, data exchange and integration relies on XML. The XML query language XMAS is used to define the integration view, and the graphical user interface BBQ (Blended Browsing and Querying) is used to generate complex queries driven by the mediator view DTD. The view DTD is derived from the view definition and source DTDs. MIX is not comparable with XIB in that MIX mediates between static web pagesm, while XIB is intended to integrate dynamic services that are modeled as functions.

A different destination schema). Steps 1 to 4 will then be repeated. In the meantime, instance execution remains suspended. 5. The migration manager informs eFlow that instance execution can be resumed, now according to the destination schema. At any time during this sequence of operations the user can abort the migration, and instance execution will be resumed according to the old process schema. The operations performed by the migration manager are summarized in Fig. 7. (1): The user specifies the case to be migrated and the destination schema, which is typically defined by modifying the current schema followed by the instance 1 (2): the migration manager orders the engine to suspend the execution of the specified instance 2 migration manager 4b 5 (5): the migration manager notifies to the engine that instance execution can be resumed.

That instance migration does not generate run-time errors and that transactional semantics can be enforced). Case migration is a very delicate operation, since it allows changing the rules of the game while it is in progress. Hence, our main design goal has been to define a very simple migration semantics, so that users can easily and clearly understand the behavior of the instance after the modifications have been applied, and avoid the risk of unexpected and undesired effects. In the following we describe how eFlow manages and performs instance migrations.

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Advanced Information Systems Engineering: 12th International Conference, CAiSE 2000 Stockholm, Sweden, June 5–9, 2000 Proceedings by Dennis Tsichritzis (auth.), Benkt Wangler, Lars Bergman (eds.)


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