Author: Chen, Jiachi
Title: User feedback assisted mobile apps analysis
Advisors: Luo, Xiapu (COMP)
Degree: M.Sc.
Year: 2017
Subject: Hong Kong Polytechnic University -- Dissertations
Application software -- Development
Mobile computing
Department: Department of Computing
Pages: ix, 85 pages : color illustrations
Language: English
Abstract: With the rapid development of Android mobile devices, millions of mobile applications have been produced by developers. Software maintenance for mobile apps becomes an important and challenging task. User reviews and bug reports are two main forms of user feedback. Developers usually extract useful information from them to maintain and update their mobile apps. In mobile app maintenance, user reviews play a more important role than bug reports because user reviews can feed back information more immediately than bug reports. Unfortunately, reading reviews is tedious and time-consuming. For example, a famous mail app k-9 mail has more than 86 thousand reviews in Google Play Store. Thus, it is hard to read them manually. As far as we know, CHANGEADVISOR is the first work to utilize user reviews to assist developers to find which part of code should be improved. However, only using reviews to locate buggy code can lead to high false positives since reviews only contain little useful information. To handle this problem, we propose a novel approach which utilizes bug reports as a bridge to link user reviews and source code of apps. Bug reports on Github can provide more useful information like code examples, stack traces and patches which can improve the accuracy of bug localization. First, we use bug reports to build a topic model to verify whether a cluster of reviews describes real faults that are also reported by the bug reports. Second, we propose a weight-iteration cosine similarity metric to compute the similarity between bug reports linked to the cluster of user reviews and buggy classes. As a result, we get a ranked list of buggy files for the review cluster. The results of the experiments carried out on 31,399 reviews and 2,279 bug reports of 10 open source mobile apps show a high accuracy in buggy class localization. In addition, the comparison result of performance on faulty code localization shows that our approach is more accurate than the state of the art approach CHANGEADVISOR by up to 14.08% of precision, 19.39% of recall, and 21.6% of F-Measure.
Rights: All rights reserved
Access: restricted access

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