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Reference Model of Project Prototyping Problem

100%
Relich M., Banaszak Z.
Foundations of Management
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2011
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vol. 3
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issue 1
33-46
EN
The paper presents the idea of reference model of project prototyping problem for the projects that are at risk of failure. The hierarchical structure of declarative model connects two fields: functionalities of a typical service enterprise and management system of project execution in the enterprise. The functionalities as separate Constraints Satisfaction Problems (CSP) are described. CSP contains the sets of decision variables, their domains and constraints, which link these variables. The separated problems described as CSP, then in single main CSP are integrated. On the other hand, these problems can decompose into the subproblems concerning the functionalities of different fields. The open structure of model enables to solve the decision problems with different level of specificity. The decision problem can regard a query about the results of proposed decisions as well as the decisions guaranteeing the expected results. A declarative kind of proposed reference model in a natural way allows to implement its in constraint programming languages. The possibility of this approach illustrates an example.
2
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Wariantowanie przedsięwzięć informatycznych niepowodzeniem

100%
Relich M.
Zeszyty Naukowe Ostrołęckiego Towarzystwa Naukowego
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2011
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vol. Zeszyt
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issue XXV
601-614
EN
The paper aims to present the project prototyping problem for the software projects that are at risk of failure, in terms of Constraints Satisfaction Problems (CSP). The declarative structure of model connects two fields: functionalities of enterprise and project management. The functionalities as CSP are described. CSP contains the sets of decision variables, their domains and constraints that link these variables. The open structure of model enables to solve the decision problems with different level of specificity. The decision problem can regard a query about the results of proposed decisions as well as the decisions guaranteeing the expected results. A declarative kind of proposed model in a natural way allows implementing its in constraint programming languages.The possibility of this approach illustrates an example.
PL
Celem pracy jest przedstawienie problemu wariantowania przedsięwzięć informatycznych zagrożonych niepowodzeniem w aspekcie Problemu Spełnienia Ograniczeń (PSO). Deklaratywna struktura modelu wiąże obszary funkcjonalności przedsiębiorstwa oraz realizowanego w nim projektu. Wymienione obszary funkcjonalności modelowane są w postaci PSO, zawierają one zbiory zmiennych decyzyjnych, rodziny zbiorów dziedzin tych zmiennych oraz zbiory ograniczeń wiążących te zmienne. Otwarta struktura modelu pozwala rozwiązywać problemy decyzyjne różnego poziomu szczegółowości, i to związane z pytaniami zarówno o skutki zakładanych decyzji, jak i o decyzje gwarantujące oczekiwane skutki. Deklaratywny charakter proponowanego modelu w naturalny sposób pozwala implementować go w środowiskach programowania z ograniczeniami. Możliwości tego typu ilustruje załączony przykład.
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