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The use of software frameworks enables the delivery of common functionality but with significantly less effort than when developing from scratch. To meet application specific requirements, the behavior of a framework needs to be customized via extension points. A common way of customizing framework behavior is by passing a framework related object as an argument to an API call. Such an object can...
Although peer code review is widely adopted in both commercial and open source development, existing studies suggest that such code reviews often contain a significant amount of non-useful review comments. Unfortunately, to date, no tools or techniques exist that can provide automatic support in improving those non-useful comments. In this paper, we first report a comparative study between useful...
Despite a decade of active research, there has been a marked lack in clone detection techniques that scale to large repositories for detecting near-miss clones. In this paper, we present a token-based clone detector, SourcererCC, that can detect both exact and near-miss clones from large inter-project repositories using a standard workstation. It exploits an optimized inverted-index to quickly query...
Peer code review locates common coding rule violations and simple logical errors in the early phases of software development, and thus reduces overall cost. However, in GitHub, identifying an appropriate code reviewer for a pull request is a non-trivial task given that reliable information for reviewer identification is often not readily available. In this paper, we propose a code reviewer recommendation...
During maintenance, software developers deal with numerous change requests that are written in an unstructured fashion using natural language. Such natural language texts illustrate the change requirement involving various domain related concepts. Software developers need to find appropriate search terms from those concepts so that they could locate the possible locations in the source code using...
Stack Overflow is a popular question answering site that is focused on programming problems. Despite efforts to prevent asking questions that have already been answered, the site contains duplicate questions. This may cause developers to unnecessarily wait for a question to be answered when it has already been asked and answered. The site currently depends on its moderators and users with high reputation...
Exception handling is a technique that addresses exceptional conditions in applications, allowing the normal flow of execution to continue in the event of an exception and/or to report on such events. Although exception handling techniques, features and bad coding practices have been discussed both in developer communities and in the literature, there is a marked lack of empirical evidence on how...
Peer code review locates common coding standard violations and simple logical errors in the early phases of software development, and thus, reduces overall cost. Unfortunately, at GitHub, identifying an appropriate code reviewer for a pull request is challenging given that reliable information for reviewer identification is often not readily available. In this paper, we propose a code reviewer recommendation...
During maintenance, software developers deal with numerous change requests made by the users of a software system. Studies show that the developers find it challenging to select appropriate search terms from a change request during concept location. In this paper, we propose a novel technique-QUICKAR-that automatically suggests helpful reformulations for a given query by leveraging the crowdsourced...
Many clone detection tools have been proposed in the literature. However, our knowledge of their performance in real software systems is limited, particularly their recall. We previously introduced our BigCloneBench, a big clone benchmark of over 8 million clones within a large inter-project Java repository containing 25,000 open-source Java systems. In this paper we present BigCloneEval, a framework...
Current power generation scenarios all over the world are not climate friendly as the generation systems are mainly dependent on fossil fuels that produce greenhouse gas (GHG) which contributes to global warming. This paper conducts a feasibility analysis to explore the potentialities of green energy at Kuakata in Bangladesh. The considered renewable energies for investigation are solar and wind....
A number of techniques have been developed that support method call completion. However, there has been little research on the problem of method parameter completion. In this paper, we first present a study that helps us to understand how developers complete method parameters. Based on our observations, we developed a recommendation technique, called Parc, that collects parameter usage context using...
APIs have grown considerably in size. To free developers from remembering every detail of an API, code completion has become an integral part of modern IDEs. Most work on code completion targets completing API method calls and leaves the task of completing method parameters to the developers. However, parameter completion is also a non-trivial task. We present an Eclipse plugin, called PARC, that...
Software bug reports are important project artifacts that evolve throughout the life of a software project. Software bugs are issues that are reported by users when these issues hinder their work. Software projects evolve over time as bugs are addressed and new features are added. Managing bugs can be a significant challenge as a project manager generally needs to be aware of all the bug reports for...
Studies show that software developers often either misuse exception handling features or use them inefficiently, and such a practice may lead an undergoing software project to a fragile, insecure and non-robust application system. In this paper, we propose a context-aware code recommendation approach that recommends exception handling code examples from a number of popular open source code repositories...
Governance of healthcare has been one of most challenging and complex issues of the government of any developing country. Many of the life threatening diseases, such as Sickle Cell Anemia, can be prevented properly if these can be diagnosed on time. In many cases, diagnosis demands a simple blood test to find out deformation in the shape of blood cells. We investigated in this paper, if such tests...
If two or more program entities change together (i.e., co-change) frequently (i.e., in many commits) during software evolution, it is likely that the entities are related and we say that the entities are showing evolutionary coupling. Association rules have been used to express evolutionary coupling and two related measures, support and confidence, have been used to measure the strength of coupling...
Duplicated code or code clones are a kind of code smell that have both positive and negative impacts on the development and maintenance of software systems. Software clone research in the past mostly focused on the detection and analysis of code clones, while research in recent years extends to the whole spectrum of clone management. In the last decade, three surveys appeared in the literature, which...
Software project forking, that is copying an existing project and developing a new independent project from the copy, occurs frequently in software development. Analysing the code similarities between such software projects is useful as developers can use similarity information to merge the forked systems or migrate them towards a reuse approach. Several techniques for detecting cross-project similarities...
Serious games and their use in healthcare applications are rapidly growing areas of interest for researchers and practitioners. It has been observed that the physically disabled persons typically lack enthusiasm for rehabilitation. This hinders their recovery and ability to care for themselves. Using research and recommendations from therapists, we developed a product, Kinect-o-Therapy, that involved...
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