By Bernhard Möller, Helmut Partsch, Steve Schuman
ISBN-10: 3540574999
ISBN-13: 9783540574996
This quantity comprises the historical past texts for an IFIP state of the art Seminar on Formal application improvement, held in early 1992 close to Rio de Janeiro, Brazil. The e-book stems from paintings performed via IFIP operating team 2.1 on Algorithmic Languages and Calculi. considering 1975, the operating staff has more and more taken with systematic ways to programming and on acceptable recommendations and notations to aid such methods. at the present time, the calculation of courses from standards constitutes the primary subject matter ofthe group's paintings. hence the middle pursuits of the crowd are: - formal specification of suggestions to difficulties, and - formal development/calculationof courses from such specifications.
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Extra info for Formal Program Development: IFIP TC2/WG 2.1 State-of-the-Art Report
Example text
Jede Iteration endet mit der Lieferung eines Teil/Systems an den Auftraggeber und mit dessen Abnahme. Je nach Planung wird das Projekt in weiteren Iterationen fortgesetzt oder beendet (Abb. 6, oberer Teil). Das VModell unterstützt drei verschiedene Entwicklungsstrategien für das Durchlaufen einer Iteration. Jede der Strategien unterstützt ein spezifisches Paradigma. Die Inkrementelle Systementwicklung (Abb. 6) modelliert einen Entwicklungsablauf, ausgehend vom Grobdesign des Systems über das Feindesign bis hin zu Entwicklung und Integration.
Die erzeugende Produktabhängigkeit definiert eine Beziehung von einem oder mehreren Produkten zu einem oder mehreren anderen Produkten. Sie sagt im Wesentlichen aus, dass in den Ausgangsprodukten die Begründungen für die Erstellung der Zielprodukte (insbesondere Zeitpunkte und Anzahl) zu finden sein muss. Beispiel: Im Projekthandbuch wird festgelegt, ob und in welcher Form eine Risikoliste geführt wird. Das V-Modell definiert genau diese Beziehung über eine Produktabhängigkeit zwischen den Produkten Projekthandbuch und Risikoliste.
Dieser Mechanismus berücksichtigt die Tatsache, dass die tatsächliche Gesamtmenge der im Projekt zu erarbeitenden Ergebnisse erst bekannt ist, wenn Projektleiter und QS-Verantwortlicher die Managementprozesse ausgestaltet haben und das zu erstellende System hinreichend bekannt ist. Beispiel: Folgende Überlegung des Projektleiters zeigt, wie Vorwärtsund Rückwärtsplanung in Einklang gebracht werden können: „Im Projekthandbuch ist festgelegt, dass wir stets am Monatsanfang einen Projektstatusbericht erstellen und an den Auftraggeber verschicken (Vorwärtsplanung).
Formal Program Development: IFIP TC2/WG 2.1 State-of-the-Art Report by Bernhard Möller, Helmut Partsch, Steve Schuman
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