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Xunhui Zhang - IEEE Xplore Author Profile

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Goal-Conditioned Reinforcement Learning (GCRL) has gained widespread application in robotics. A typical application of GCRL is to pre-train policies in a development environment and then deploy them to robots. In this approach of application, we find that the policies trained by GCRL exhibit discontinuity in goal space, indicating that we cannot effectively estimate the policy’s performance in the...Show More
With the popular of open source community and git-based version control systems, more and more large-scale repositories and software are emerging. Code reuse has become more common. Meanwhile, clone detection techniques have made great progress in accuracy after a long time development and are being optimized for scalability and execution efficiency. However, there few clone detection tools availa...Show More
Context: The pull-based development model is widely used in open source projects, leading to the emergence of trends in distributed software development. One aspect that has garnered significant attention concerning pull request decisions is the identification of explanatory factors. Objective: This study builds on a decade of research on pull request decisions and provides further insights. We em...Show More
Pull-based development is a widely adopted paradigm for collaboration in distributed software development, attracting eyeballs from both academic and industry. To better study pull-based development model, this paper presents a new dataset containing 96 features collected from 11,230 projects and 3,347,937 pull requests. We describe the creation process and explain the features in details. To the ...Show More
In unmanned collaborative cognition scenarios, traditional IoT systems are facing with data security and node privacy problems. However, blockchain together with data encryption technique enables the trustless network due to the tamper-proof, anonymity and unbreakable properties. Nevertheless, there are still some shortages when combining blockchain with IoT systems, for example the storage consum...Show More
With the popularity of the open source, the open source community has accumulated a large number of open source project. While these massive projects provide developers with rich reusable resource, they also bring difficulties for users to choose the appropriate software. Therefore, it is very meaningful to rank the software and tell users which is better. In this paper, we propose a novel approac...Show More