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How are Developers Treating License Inconsistency Issues? A Case Study on License Inconsistency Evolution in FOSS Projects

Abstract : A license inconsistency is the presence of two or more source files that evolved from the same original file containing different licenses. In our previous study, we have shown that license inconsistencies do exist in open source projects and may lead to potential license violation problems. In this study, we try to find out whether the issues of license inconsistencies are properly solved by analyzing two versions of a FOSS distribution—Debian—and investigate the evolution patterns of license inconsistencies. Findings are: license inconsistencies occur mostly because the original copyright owner updated the license while the reusers were still using the old version of the source files with the old license; most license inconsistencies would disappear when the reusers synchronize their project from the upstream, while some would exist permanently if reusers decide not to synchronize anymore. Legally suspicious cases have not been found yet in those Debian distributions.
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Submitted on : Tuesday, April 24, 2018 - 3:56:02 PM
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Yuhao Wu, Yuki Manabe, Daniel German, Katsuro Inoue. How are Developers Treating License Inconsistency Issues? A Case Study on License Inconsistency Evolution in FOSS Projects. 13th IFIP International Conference on Open Source Systems (OSS), May 2017, Buenos Aires, Argentina. pp.69-79, ⟨10.1007/978-3-319-57735-7_8⟩. ⟨hal-01776273⟩

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