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| 2. |
- Hu, W, et al.
(författare)
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Iterative Strategy Analyze During Agile Development
- 2012
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Ingår i: Weidianzixue yu jisuanji [Microelectronics & Computer]. - 1000-7180. ; 29:5, s. 165-169
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In this paper, We used characteristic of the Unified Modeling Language （UML） use case model in describing the function of the system＇ s and the iteration sequence of agile development process to obtain a new iteration sequence based on the risk an value of the various use cases in UML use case diagrams. An obvious advantage of doing so is to ensure high-risk and high-value use cases will be first developed, so that the use cases will be repeatedly tested in the next iteration, thereby increasing overall system reliability.
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| 3. |
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| 4. |
- Hu, W, et al.
(författare)
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VDM++ Formalization of UML Class Diagram
- 2012
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Ingår i: Weidianzixue yu jisuanji [Microelectronics & Computer]. - 1000-7180. ; 29:6, s. 104-107
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The purpose of this paper is to use the most widely used formal language-VDM ＋ ＋ that has characteristics of accuracy and consistent in describing syntax and semantic of the system model, combined with VDMTOOLS and Rational Rose tool to transform the various elements of the UML class model into representation of VI）M＋ ＋. This method achieves the various elements contained UML class model about the syntax and semantics checking, and further improves the quality of UML modeling.
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| 5. |
- Yang, Jian-feng, et al.
(författare)
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Maximum likelihood estimation for software reliability with masked failure data
- 2013
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Ingår i: Systems engineering and electronics. - 1001-506X. ; 35:12, s. 2665-2669
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Tidskriftsartikel (refereegranskat)abstract
- The masked data are the system failure data when the exact cause of the failures might be unknown. That is, it is the subset of components known to contain the component causing system failures. In general, the maximum likelihood estimation (MLE) of parameters are difficult to find when there exist masked data, because superposition non-homogenous Poisson process (NHPP) software reliability model cannot be decomposed into the independent NHPP models. In this paper, the MLE of software reliability from masked data is studied based on superposition NHPP models. Finally, numerical example based on simulation data is given to illustrate a good performance of MLE.
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| 7. |
- Yang, J, et al.
(författare)
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Web Software Reliability Analysis Based on NHPP Model
- 2012
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Ingår i: Jisuanji Gongcheng [Computer Engineering]. - 1000-3428. ; 38:14, s. 26-28
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- This paper proposes a Web Software Reliability Growth Model(SRGM) with BurrX Testing Effort Function(TEF) based on Non-homogeneous Poisson Process(NHPP) and develops its application to Web software reliability analysis. The incorporated TEF depicts the relationship between Web workload and calendar time, and solves the problem about high uneven of Web workload. By using the workload data and failure data from Web logs. Experimental results show that the proposed model can be used to describe the actual failure process more faithfully than G-O model, which is often used to analyze Web software.
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