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    Zhong Renyi, WangChong, Liang Peng, Luo Zhong. Automatic Trend Analysis of Mobile App Updates Based on App Changelogs[J]. Journal of Computer Research and Development, 2021, 58(4): 763-776. DOI: 10.7544/issn1000-1239.2021.20200756
    Citation: Zhong Renyi, WangChong, Liang Peng, Luo Zhong. Automatic Trend Analysis of Mobile App Updates Based on App Changelogs[J]. Journal of Computer Research and Development, 2021, 58(4): 763-776. DOI: 10.7544/issn1000-1239.2021.20200756

    Automatic Trend Analysis of Mobile App Updates Based on App Changelogs

    • Data-driven analysis on the development, maintenance, and evolution has recently become an area of active research. However, little is known to treat app changelogs as the input to explore the types of requirements that app developers pay the most attention when releasing an app, as well as trend of app development and updates. This paper reports the results of an exploratory study in which we analyze the requirements and buzzwords that dominate the changes of apps, according to a set of 6527 changes collected from 60 apps from three categories in the Apple App Store: “Travel”, “Social Networking” and “Books”. First, the performance of three supervised machine learning algorithms is evaluated to find the most suitable classifiers for the automatic classification of app changelogs. Furthermore, based on the classification results of app changelogs, characteristics and trends of app updates are revealed from two perspectives, i.e., the requirement type that app changelog items mention and the hot words in app changelog items that are labeled as a certain requirement type. The results are valuable for researchers and practitioners to have a comprehensive understanding on the current app stores from RE perspective.
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