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Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.
Context: Free/Libre Open Source Software (FLOSS) communities consist of different types of contributors. Core contributors and peripheral contributors work together to create a successful project, each playing a different role. One-Time Contributors (OTCs), who are on the very fringe of the peripheral developers, are largely unstudied despite offering unique insights into the development process....
Background: An increasing research effort has devoted to just-in-time (JIT) defect prediction. A recent study by Yang et al. at FSE'16 leveraged individual change metrics to build unsupervised JIT defect prediction model. They found that many unsupervised models performed similarly to or better than the state-of-the-art supervised models in effort-aware JIT defect prediction. Goal: In Yang et al.'s...
Background: Software security has drawn immense importance in the recent years. While efforts are expected in minimizing security vulnerabilities in source code, the developers' practice of code cloning often causes multiplication of such vulnerabilities and program faults. Although previous studies examined the bug-proneness, stability, and changeability of clones against non-cloned code, the security...
Background: Software effort estimates are necessary and critical at an early phase for decision makers to establish initial budgets, and in a government context to select the most competitive bidder for a contract. The challenge is that estimated software requirements is the only size information available at this stage, compounded with the newly increasing adoption of agile processes in the US DoD...
Despite the advancement in software build tools such as Maven and Gradle, human involvement is still often required in software building. To enable large-scale advanced program analysis and data mining of software artifacts, software engineering researchers need to have a large corpus of built software, so automatic software building becomes essential to improve research productivity. In this paper,...
Background: Cloud based integrated development environments (IDEs) are rapidly gaining popularity for its native support and potential to accelerate DevOps. However, there is little research of how developers behave when interacting with these environments. Aims: To develop empirical knowledge about how developers behave when interacting with cloud based IDEs to deal with programming tasks at various...
Background: Merge conflicts are a common occurrence in software development. Researchers have shown the negative impact of conflicts on the resulting code quality and the development workflow. Thus far, no one has investigated the effect of bad design (code smells) on merge conflicts. Aims: We posit that entities that exhibit certain types of code smells are more likely to be involved in a merge conflict...
Context: Code smells are symptoms in the source code that represent poor design choices. Professional developers often perceive several types of code smells as indicators of actual design problems. However, the identification of code smells involves multiple steps that are subjective in nature, requiring the engagement of humans. Human factors are likely to play a key role in the precise identification...
What would have happened if I did not have any code smell? This is an interesting question that no previous study, to the best of our knowledge, has tried to answer. In this paper, we present a method for implementing a what-if scenario analysis estimating the number of defective files in the absence of smells. Our industrial case study shows that 20% of the total defective files were likely avoidable...
Context. Considering the importance of software testing to the development of high quality and reliable software systems, this paper aims to investigate how can work-related factors influence the motivation of software testers. Method. We applied a questionnaire that was developed using a previous theory of motivation and satisfaction of software engineers to conduct a survey-based study to explore...
Understanding developer productivity is important to deliver software on time and at reasonable cost. Yet, there are numerous definitions of productivity and, as previous research found, productivity means different things to different developers. In this paper, we analyze the variation in productivity perceptions based on an online survey with 413 professional software devel-opers at Microsoft. Through...
Context: A growing number of software organizations have been adopting Continuous DElivery (CDE) and Continuous Deployment (CD) practices. Researchers have started investing significant efforts in studying different aspects of CDE and CD. Many studies refer to CDE (i.e., where an application is potentially capable of being deployed) and CD (i.e., where an application is automatically deployed to production...
Currently, open source projects receive various kinds of issues daily, because of the extreme openness of Issue Tracking System (ITS) in GitHub. ITS is a labor-intensive and time-consuming task of issue categorization for project managers. However, a contributor is only required a short textual abstract to report an issue in GitHub. Thus, most traditional classification approaches based on detailed...
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