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Creating an invalid defect classification model using text mining on server development
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DOI：10.1016/j.jss.2016.12.005.png)
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摘要
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Invalid defects, which are often overlooked, reduce development productivity and efficiency. This study used exploratory study and text mining to answer three research questions related to invalid defects in two research stages. In the first stage, we filtered 231 invalid BIOS (basic input/output system) defects from the 3347 defects of three server projects. These defects were from numerous function areas owned by virtual teams located in Taiwan, China, and the United States. Results indicated that BIOS firmware demonstrates the maximum number of defects and invalid defects. This firmware accounted for 43.3% defects and 33% invalid defects in server development. Results determined that invalid defect classification that includes four types, namely, working as designed (WAD), user error, duplicate, and others. All of these types can be grouped under the term WUDO. WAD accounts for the maximum of 45% of invalid defects in the WUDO classification. In the second stage, this study determined a stable classification algorithm, namely, decision tree C4.5, to classify the invalid defect types. This study helps project teams for information technology products to classify the different invalid defect types that developers and testers face. Results can improve project team productivity and mitigate project risks in project management. (C) 2016 Elsevier Inc. All rights reserved.
Keyword:
Invalid defect
Classification
Text mining
Server development
Project management
BIOS
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被引数:
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Bayesian networks and information retrieval:: an introduction to the special issue贝叶斯网络和信息检索:: 特刊简介
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