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Technical Debt (TD), also known as technical debt design or technical debt code, analyze the consequence that could have a system once it has been designed architecturally, coding or implemented. TD refers to work to be performed rather than software design or coding is considered complete or correct. Static analysis is a technique to identify and analyze software characteristics from source code;...
Git based social coding platforms (e.g.; GitHub, BitBucket) have been broadly adopted by many open source projects, and have became an important source of technical and social information about software development. That information could be employed for identifying programming conventions used by software development teams. This work intends leverage the naming patterns immersed in a Git repository...
This paper proposes an efficient method for accelerating Transform Unit (TU) depth decisions based on the rough mode cost (RMC), which is the simplified rate-distortion (RD) cost during the rough mode decision (RMD), in HEVC intra coding. The TU partition of the mode with the minimal RMC is used to determine the TU partitions of remaining intra modes. The proposed TU partitioning method improves RD...
Context: Conducting a Grounded Theory study is rigorous, demanding, and challenging. Misperceptions exist within the software engineering community. Objective: The purpose of this paper is to describe one extended participant observation Grounded Theory study for aiding new empirical researchers wanting to run similar research studies. Method: Following Constructivist Grounded Theory, we conducted...
The new coding tools, developed under the Joint Exploration Model (JEM) software, have been proposed with the main goal to explore their potential coding gain in the perspective to develop a new video coding standard. In this paper we present a performance-based comparison between the JEM and HEVC reference software (HM) through a set of subjective quality assessments. Different video sequences, encoded...
The paper presents application of the emerging HEVC Screen Content Coding for frame-compatible compression of stereoscopic video. Such a solution may be an alternative to the Multiview HEVC, which is the state-of-the-art dedicated technique for multiview video compression. The paper provides an extensive description of main differences between both compression techniques. Authors also present adaptation...
An important part of software engineering (SE) research is to develop new analysis techniques and to integrate these techniques into software development practice. However, since access to developers is non-trivial and research tool adoption is slow, new analyses are typically evaluated as follows: a prototype tool that embeds the analysis is implemented, a set of projects is identified, their revisions...
With the aim of identifying good structures and examples for papers in the software engineering field, we conducted a study of the type of papers accepted along four decades in the Research Track of the International Conference on Software Engineering (ICSE). We used for this purpose a categorization scheme for Software Engineering papers that was obtained by merging, extending and revising a few...
As the software development community makes it easier to contribute to open source projects, the number of commits and pull requests keep increasing. However, this exciting growthrenders it more difficult to only accept quality contributions. Recent research has found that both technical and social factors predictthe success of project contributions on GitHub. We take this question a step further,...
Static analysis tools are often used by software developers to entail early detection of potential faults, vulnerabilities, code smells, or to assess the source code adherence to coding standards and guidelines. Also, their adoption within Continuous Integration (CI) pipelines has been advocated by researchers and practitioners. This paper studies the usage of static analysis tools in 20 Java open...
Code reuse has well-known benefits on code quality, coding efficiency, and maintenance. Open Source Software (OSS) programmers gladly share their own code and they happily reuse others'. Social programming platforms like GitHub have normalized code foraging via their common platforms, enabling code search and reuse across different projects. Removing project borders may facilitate more efficient code...
Recent research in software engineering supports the "happy-productive" thesis, and the desire of flourishing happiness among programmers is often expressed by industry practitioners. Recent literature has suggested that a cost-effective way to foster happiness and productivity among workers could be to limit unhappiness of developers due to its negative impact. However, possible negative...
Questions and Answers (Q&A) websites maintain a long history of needs, problems, and challenges that software developers face. In contrast to Q&A websites, which are strongly tied to practitioners' needs, there are systematic reviews (SRs), which, according to recent studies, lack a connection with software engineering practice. In this paper, we investigate this claim by assessing to what...
Software architecting is a knowledge-intensive activity. However, obtaining and evaluating the quality of relevant and reusable knowledge (and ensuring that this knowledge is up-to-date) requires significant effort. In this paper, we explore how online developer communities (e.g., Stack Overflow), traditionally used by developers to solve coding problems, can help solve architectural problems. We...
Software development has always inherently required multitasking: developers switch between coding, reviewing, testing, designing, and meeting with colleagues. The advent of software ecosystems like GitHub has enabled something new: the ability to easily switch between projects. Developers also have social incentives to contribute to many projects; prolific contributors gain social recognition and...
The energy consumption of software is an increasing concern as the use of mobile applications, embedded systems, and data center-based services expands. While research in green software engineering is correspondingly increasing, little is known about the current practices and perspectives of software engineers in the field. This paper describes the first empirical study of how practitioners think...
Grounded Theory (GT) has proved an extremely useful research approach in several fields including medical sociology, nursing, education and management theory. However, GT is a complex method based on an inductive paradigm that is fundamentally different from the traditional hypothetico-deductive research model. As there are at least three variants of GT, some ostensibly GT research suffers from method...
Integer overflow (IO) vulnerabilities can be exploited by attackers to compromise computer systems. In the meantime, IOs can be used intentionally by programmers for benign purposes such as hashing and random number generation. Hence, differentiating exploitable and harmful IOs from intentional and benign ones is an important challenge. It allows reducing the number of false positives produced by...
Tracking long-term progress in engineering and applied science allows us to take stock of things we have achieved, appreciate the factors that led to them, and set realistic goals for where we want to go. We formulate seven hypotheses associated with the long term evolution of C programming in the Unix operating system, and examine them by extracting, aggregating, and synthesising metrics from 66...
The pull-based development model is an emerging way of contributing to distributed software projects that is gaining enormous popularity within the open source software (OSS) world. Previous work has examined this model by focusing on projects and their owners—we complement it by examining the work practices of project contributors and the challenges they face.We conducted a survey with 645 top contributors...
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