Searched for: department%3A%22Software%255C%252BTechnology%22
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Keshani, M. (author), Gousios, G. (author), Proksch, S. (author)
Call Graphs are a rich data source and form the foundation for advanced static analyses that can, for example, detect security vulnerabilities or dead code. This information is invaluable when it is immediately available, such as in the output of a build system. Call Graph generation is a whole-program analysis: not just the application, but...
journal article 2024
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Zhang, Xunhui (author), Yu, Yue (author), Gousios, G. (author), Rastogi, A. (author)
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...
journal article 2023
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Kula, E. (author), Greuter, Eric (author), van Deursen, A. (author), Gousios, G. (author)
Modern agile software projects are subject to constant change, making it essential to re-asses overall delay risk throughout the project life cycle. Existing effort estimation models are static and not able to incorporate changes occurring during project execution. In this paper, we propose a dynamic model for continuously predicting overall...
conference paper 2023
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Kula, E. (author), Greuter, Eric (author), van Deursen, A. (author), Gousios, G. (author)
Late delivery of software projects and cost overruns have been common problems in the software industry for decades. Both problems are manifestations of deficiencies in effort estimation during project planning. With software projects being complex socio-technical systems, a large pool of factors can affect effort estimation and on-time...
journal article 2022
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Maddila, C.S. (author), Upadrasta, Sai Surya Upadrasta (author), Bansal, Chetan (author), Nagappan, Nachiappan (author), Gousios, G. (author), van Deursen, A. (author)
Pull requests are a key part of the collaborative software development and code review process today. However, pull requests can also slow down the software development process when the reviewer(s) or the author do not actively engage with the pull request. In this work, we design an end-to-end service, Nudge, for accelerating overdue pull...
journal article 2022
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Hejderup, J.I. (author), Beller, M.M. (author), Triantafyllou, K. (author), Gousios, G. (author)
Modern programming languages such as Java, JavaScript, and Rust encourage software reuse by hosting diverse and fast-growing repositories of highly interdependent packages (i.e., reusable libraries) for their users. The standard way to study the interdependence between software packages is to infer a package dependency network by parsing...
journal article 2022
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Izadi, M. (author), Gismondi, Roberta (author), Gousios, G. (author)
Code completion is an essential feature of IDEs, yet current auto-completers are restricted to either grammar-based or NLP-based single token completions. Both approaches have significant draw-backs: grammar-based autocompletion is restricted in dynamically-typed language environments, whereas NLP-based autocompleters struggle to understand...
conference paper 2022
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Kotti, Zoe (author), Gousios, G. (author), Spinellis, D. (author)
Existing work on the practical impact of software engineering (SE) research examines industrial relevance rather than adoption of study results, hence the question of how results have been practically applied remains open. To answer this and investigate the outcomes of impactful research, we performed a quantitative and qualitative analysis of 4...
journal article 2022
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Mir, S.A.M. (author), Latoskinas, Evaldas (author), Proksch, S. (author), Gousios, G. (author)
Dynamic languages, such as Python and Javascript, trade static typing for developer flexibility and productivity. Lack of static typing can cause run-time exceptions and is a major factor for weak IDE support. To alleviate these issues, PEP 484 introduced optional type annotations for Python. As retrofitting types to existing code-bases is...
conference paper 2022
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Maddila, C.S. (author), Nagappan, Nachiappan (author), Bird, Christian (author), Gousios, G. (author), van Deursen, A. (author)
Modern, complex software systems are being continuously extended and adjusted. The developers responsible for this may come from different teams or organizations, and may be distributed over the world. This may make it difficult to keep track of what other developers are doing, which may result in multiple developers concurrently editing the...
journal article 2022
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Kula, E. (author), van Deursen, A. (author), Gousios, G. (author)
In agile software development, proper team structures and effort estimates are crucial to ensure the on-time delivery of software projects. Delivery performance can vary due to the influence of changes in teams, resulting in team dynamics that remain largely unexplored. In this paper, we explore the effects of various aspects of teamwork on...
conference paper 2021
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Huijgens, H.K.M. (author), Rastogi, A. (author), Mulders, E.A. (author), Gousios, G. (author), van Deursen, A. (author)
In 2014, a Microsoft study investigated the sort of questions that data science applied to software engineering should answer. This resulted in 145 questions that developers considered relevant for data scientists to answer, thus providing a research agenda to the community. Fast forward to five years, no further studies investigated whether the...
conference paper 2020
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Kula, E. (author), Rastogi, A. (author), Huijgens, H.K.M. (author), van Deursen, A. (author), Gousios, G. (author)
The appeal of delivering new features faster has led many software projects to adopt rapid releases. However, it is not well understood what the effects of this practice are. This paper presents an exploratory case study of rapid releases at ING, a large banking company that develops software solutions in-house, to characterize rapid releases....
conference paper 2019
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Kechagia, M. (author), Devroey, Xavier (author), Panichella, A. (author), Gousios, G. (author), van Deursen, A. (author)
Application Programming Interfaces (APIs) typically come with (implicit) usage constraints. The violations of these constraints (API misuses) can lead to software crashes. Even though there are several tools that can detect API misuses, most of them suffer from a very high rate of false positives. We introduce Catcher, a novel API misuse...
conference paper 2019
document
Hejderup, J.I. (author), van Deursen, A. (author), Gousios, G. (author)
A popular form of software reuse is the use of open source software libraries hosted on centralized code repositories, such as Maven or npm. Developers only need to declare dependencies to external libraries, and automated tools make them available to the workspace of the project. Recent incidents, such as the Equifax data breach and the leftpad...
conference paper 2018
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De Souza Coelho, R. (author), Almeida, Lucas (author), Gousios, G. (author), van Deursen, A. (author), Treude, Christoph (author)
Adequate handling of exceptions has proven difficult for many software engineers. Mobile app developers in particular, have to cope with compatibility, middleware, memory constraints, and battery restrictions. The goal of this paper is to obtain a thorough understanding of common exception handling bug hazards that app developers face. To...
journal article 2017
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Beller, M. (author), Levaja, I. (author), Panichella, A. (author), Gousios, G. (author), Zaidman, A.E. (author)
As software engineering researchers, we are also zealous tool smiths. Building a research prototype is often a daunting task, let alone building an industry-grade family of tools supporting multiple platforms to ensure the generalizability of results. In this paper, we give advice to academic and industrial tool smiths on how to design and build...
conference paper 2016
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Coelho, R. (author), Almeida, L. (author), Gousios, G. (author), Van Deursen, A. (author)
This paper reports on a study mining the exception stack traces included in 159,048 issues reported on Android projects hosted in GitHub (482 projects) and Google Code (157 projects). The goal of this study is to investigate whether stack trace information can reveal bug hazards related to exception handling code that may lead to a decrease in...
report 2015
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Huijgens, H.K.M. (author), Gousios, G. (author), van Deursen, A. (author)
A medium-sized west-European telecom company experienced a worsening trend in performance, indicating that the organization did not learn from history, in combination with much time and energy spent on preparation and review of project proposals. In order to create more transparency in the supplier proposal pro-cess a pilot was started on...
conference paper 2015
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Beller, M. (author), Gousios, G. (author), Panichella, A. (author), Zaidman, A.E. (author)
The research community in Software Engineering and Software Testing in particular builds many of its contributions on a set of mutually shared expectations. Despite the fact that they form the basis of many publications as well as open-source and commercial testing applications, these common expectations and beliefs are rarely ever questioned....
conference paper 2015
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