Abstract
When introduce a distribution system, it is necessary performing an assessment of system quality generally to evaluate the characteristic of system from candidates targeted product for the purchase and evaluating the superiority and inferiority. The general quality assessment for the system is performed by the integration test based on the quality requirements of the customer till now. But, it is very difficult to perform the integration test completely, because the system testing may depend on the individual person’s high skill and experiences. Recently, the method of the quantitative quality requirements and evaluation based on the ISO/IEC9126 quality model is widely recognized for the purpose of a quality evaluation and improvement of the system product. In the precedent study, I have performed the confirmation of the method of evaluation for the system quality from the viewpoint of six quality characteristics included in the quality model defined in ISO/IEC9126, and the effectiveness of whose quality model could have confirmed quantitatively and statistically. However, it is very difficult to assess superiority and inferiority of the system totally even if evaluating the quality of the distribution system from the viewpoint of six quality characteristics for a customer individually. Therefore, if we could display total quality of the target system visually, we could evaluate and compare the total quality of system objectively and intuitively. Based on these assumptions, in this paper, we propose the concept and effectiveness of the “Three Dimensional Integrated Value Model” based on the result of precedent study about six quality characteristics.
Highlights
In order to implement or acquire information system successfully, it is very important to specify the quality requirement for the most suitable system product corresponding to real customer needs during the possible early stage of development and achieve the high quality of system product
The method of the quantitative quality requirements and evaluation based on the ISO/IEC9126 quality model is widely recognized for the purpose of a quality evaluation and improvement of the system product
I have performed the confirmation of the method of evaluation for the system quality from the viewpoint of six quality characteristics included in the quality model defined in ISO/IEC9126, and the effectiveness of whose quality model could have confirmed quantitatively and statistically
Summary
In order to implement or acquire information system successfully, it is very important to specify the quality requirement for the most suitable system product corresponding to real customer needs during the possible early stage of development and achieve the high quality of system product. Survey items on the questionnaires are selected either from previous questionnaires of similar system or may be defined based on investigator’s personal experience with preference of product requirements This kind of lack of structure and incompleteness of the traditional approach may cause the miss decision of the quality requirements analysis during stage of design in the development. For the purpose of specifying the quality requirement and evaluation of system and software product, currently, the method of quantitative quality requirement definitions based on ISO/IEC9126-1 [5] quality model that includes six quality characteristics is widely recognized, and have using in worldwide.ISO/IEC9126-1 (This standard has replaced to ISO/IEC25010:2011 [6]) defines the six quality characteristics of the system and software These six quality characteristics are described based on the model of Boehm [7] or McCall [8], or from the view point of a stakeholder’s wide experience, which are considered by necessity and dependent on the user’s point of view. We verify the validity of using the three quality characteristics, and propose the result of verification about effectiveness of quantitative quality requirement definition approach from the view point of Three Dimensional Integrated Value Model
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