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Di Nucci, Dario (author), Panichella, A. (author), Zaidman, A.E. (author), De Lucia, Andrea (author)Test case prioritization (TCP) is aimed at finding an ideal ordering for executing the available test cases to reveal faults earlier. To solve this problem greedy algorithms and meta-heuristics have been widely investigated, but in most cases there is no statistically significant difference between them in terms of effectiveness. The fitness...conference paper 2015
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Panichella, A. (author), De Lucia, Andrea (author), Zaidman, A.E. (author)Trace ability recovery allows software engineers to understand the interconnections among software artefacts and, thus, it provides an important support to software maintenance activities. In the last decade, Information Retrieval (IR) has been widely adopted as core technology of semi-automatic tools to extract trace ability links between...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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Beller, M.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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Panichella, A. (author), Alexandru, Carol V. (author), Panichella, Sebastiano (author), Bacchelli, A. (author), Gall, Harald C. (author)Research has yielded approaches to predict future defects in software artifacts based on historical information, thus assisting companies in effectively allocating limited development resources and developers in reviewing each others' code changes. Developers are unlikely to devote the same effort to inspect each software artifact predicted...conference paper 2016
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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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Soltani, M. (author), Panichella, A. (author), van Deursen, A. (author)Manual crash reproduction is a labor-intensive and time-consuming task. Therefore, several solutions have been proposed in literature for automatic crash reproduction, including generating unit tests via symbolic execution and mutation analysis. However, various limitations adversely affect the capabilities of the existing solutions in...conference paper 2016
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Panichella, Sebastiano (author), Panichella, A. (author), Beller, M.M. (author), Zaidman, A.E. (author), Gall, Harald C. (author)Automated test generation tools have been widely investigated with the goal of reducing the cost of testing activities. However, generated tests have been shown not to help developers in detecting and finding more bugs even though they reach higher structural coverage compared to manual testing. The main reason is that generated tests are...conference paper 2016
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Palomba, F. (author), Panichella, A. (author), Zaidman, A.E. (author), Oliveto, Rocco (author)Test case generation tools that optimize code coverage have been extensively investigated. Recently, researchers have suggested to add other non-coverage criteria, such as mem- ory consumption or readability, to increase the practical use- fulness of generated tests. In this paper, we observe that test code quality metrics, and test cohesion and...conference paper 2016
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Vassalo, Carmine (author), Zampetti, Fiorelli (author), Romano, D. (author), Beller, M.M. (author), Panichella, A. (author), Di Penta, Massimiliano (author), Zaidman, A.E. (author)Continuous Delivery is an agile software develop- ment practice in which developers frequently integrate changes into the main development line and produce releases of their software. An automated Continuous Integration infrastructure builds and tests these changes. Claimed advantages of CD include early discovery of (integration) errors,...conference paper 2016
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Vassallo, Carmine (author), Schermann, Gerald (author), Zampetti, Fiorella (author), Romano, D. (author), Leitner, Philipp (author), Zaidman, A.E. (author), Di Penta, Massimiliano (author), Panichella, Sebastiano (author)Continuous Integration (CI) and Continuous Delivery (CD) are widespread in both industrial and open-source software (OSS) projects. Recent research characterized build failures in CI and identified factors potentially correlated to them. However, most observations and findings of previous work are exclusively based on OSS projects or data from a...conference paper 2017
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Soltani, M. (author), Panichella, A. (author), van Deursen, A. (author)To reduce the effort developers have to make for crash debugging, researchers have proposed several solutions for automatic failure reproduction. Recent advances proposed the use of symbolic execution, mutation analysis, and directed model checking as underling techniques for post-failure analysis of crash stack traces. However, existing...conference paper 2017
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Di Nucci, D. (author), Palomba, F. (author), Prota, Antonio (author), Panichella, A. (author), Zaidman, A.E. (author), De Lucia, Andrea (author)Modeling the power profile of mobile applications is a crucial activity to identify the causes behind energy leaks. To this aim, researchers have proposed hardware-based tools as well as model-based and software-based techniques to approximate the actual energy profile. However, all these solutions present their own advantages and disadvantages....conference paper 2017
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Palomba, F. (author), Di Nucci, D. (author), Panichella, A. (author), Zaidman, A.E. (author), De Lucia, Andrea (author)Code smells are symptoms of poor design solutions applied by programmers during the development of software systems. While the research community devoted a lot of effort to studying and devising approaches for detecting the traditional code smells defined by Fowler, little knowledge and support isavailable for an emerging category of Mobile app...conference paper 2017
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Di Nucci, D. (author), Palomba, F. (author), Prota, Antonio (author), Panichella, A. (author), Zaidman, A.E. (author), De Lucia, Andrea (author)Energy efficiency is a vital characteristic of any mobile application, and indeed is becoming an important factor for user satisfaction. For this reason, in recent years several approaches and tools for measuring the energy consumption of mobile devices have been proposed. Hardware-based solutions are highly precise, but at the same time they...conference paper 2017
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Zhu, Q. (author), Panichella, A. (author), Zaidman, A.E. (author)Mutation testing is widely considered as a high-end test criterion due to the vast number of mutants it generates. Although many efforts have been made to reduce the computational cost of mutation testing, its scalability issue remains in practice. In this paper, we introduce a novel method to speed up mutation testing based on state...conference paper 2017
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- Palomba, F. (author), Panichella, A. (author), Zaidman, A.E. (author), Oliveto, Rocco (author), De Lucia, Andrea (author) conference paper 2018
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Messaoudi, Salma (author), Panichella, A. (author), Bianculli, Domenico (author), Briand, Lionel (author), Sasnauskas, Raimondas (author)Many software engineering activities process the events contained in log files. However, before performing any processing activity, it is necessary to parse the entries in a log file, to retrieve the actual events recorded in the log. Each event is denoted by a log message, which is composed of a fixed part—called (event) template—that is the...conference paper 2018
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Zhu, Q. (author), Panichella, Annibale (author), Zaidman, A.E. (author)Mutation testing is widely considered as a high-end test coverage criterion due to the vast number of mutants it generates. Although many efforts have been made to reduce the computational cost of mutation testing, in practice, the scalability issue remains. In this paper, we explore whether we can use compression techniques to improve the...conference paper 2018
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- Vassalo, Carmine (author), Panichella, Sebastiano (author), Palomba, F. (author), Proksch, Sebastian (author), Zaidman, A.E. (author), Gall, Harald C. (author) conference paper 2018