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�������պ����ѧѧ�� 1998, Vol. 24 Issue (4) :415-417    DOI:
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Ada��λ��������ģ�͵��о�
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Study on Hierarchical Model for Ada Parallel Softwares
Yao Shuzhen, Tang Fagen, Jin Maozhong*
Beijing University of Aeronautics and Astronautics,Dept. of Computer Science and Engineering

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ժҪ ���ڶ���Petri��,����˲�λ��������ģ��,����ģ���ڽṹ�ϲο���ͳһ��ģ����UML����������,����һ����չPetri��ECPN�ֲ�����������ڲ�״̬,�Լ��������໥����,���ڷ������������.ģ�͵�ʵ��Ӧ�ý������ڱ�֤�������,�ر���Ada95�������������,��߿���Ч��.
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Abstract�� Having visualization and formalization, Petri net has been used to model and analyze parallel softwares. Comparatively,OPN(Object-oriented Petri Nets) is more capable of modeling.A hierarchical parallel software model based on OPN is presented. It refers to UML(Unified Modeling Language) description in its structure, describes the internal state of an object and mutual interaction among objects by means of ECPN, making simulation of parallel softwares and translation to Ada programs easier. The model will be useful for quality assurance of parallel softwares, specially Ada95 parallel softwares, and improvement of development efficiency.
Keywords�� software engineering   software tools   simulation   parallel software   Petri net   object-oriented   Ada     
Received 1998-05-14;
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Ҧ����, �Ʒ���, ��ï��.Ada��λ��������ģ�͵��о�[J]  �������պ����ѧѧ��, 1998,V24(4): 415-417
Yao Shuzhen, Tang Fagen, Jin Maozhong.Study on Hierarchical Model for Ada Parallel Softwares[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 1998,V24(4): 415-417
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