Marco Aurelio Gerosa

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Marco Aurelio verified their affiliation via an institutional email.

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• PhD
• Professor (Full) at Northern Arizona University

Effective prioritization of issue reports in software engineering helps to optimize resource allocation and information recovery. However, manual issue classification is laborious and lacks scalability. As an alternative, many open source software (OSS) projects employ automated processes for this task, yet this method often relies on large dataset...

Generative AI (genAI) tools are advertised as productivity aids. Yet, issues related to miscalibrated trust and usage friction continue to hinder their adoption. Additionally, AI can be exclusionary, failing to support diverse users adequately, further exacerbating these concerns. One such aspect of diversity is cognitive diversity -- variations in...

Open Source Software (OSS) projects offer valuable opportunities to train the next generation of software engineers while benefiting projects and society as a whole. While research has extensively explored student participation in OSS and its use in software engineering education, student participation in OSS is still low, and the perspectives of s...

The appropriate selection of DBMSs (Database Management Systems) is relevant for the success of modern software applications. Relational DBMSs are popular for structured data management, while non-relational systems, such as NoSQL databases, have gained traction for handling unstructured data and scaling in dynamic environments. These varying DBMS...

Newcomers onboarding to Open Source Software (OSS) projects face many challenges. Large Language Models (LLMs), like ChatGPT, have emerged as potential resources for answering questions and providing guidance, with many developers now turning to ChatGPT over traditional Q&A sites like Stack Overflow. Nonetheless, LLMs may carry biases in presenting...

Software engineering courses enable practical learning through assignments requiring contributions to open source software (OSS), allowing students to experience real-world projects, collaborate with global communities, and develop skills and competencies required to succeed in the tech industry. Learning software engineering through open source co...

Artificial intelligence (AI), including large language models and generative AI, is emerging as a significant force in software development, offering developers powerful tools that span the entire development lifecycle. Although software engineering research has extensively studied AI tools in software development, the specific types of interaction...

Mentorship in open source software (OSS) is a vital, multifaceted process that includes onboarding newcomers, fostering skill development, and enhancing community building. This study examines task-focused mentoring strategies that help mentees complete their tasks and the ideal personal qualities and outcomes of good mentorship in OSS communities....

Generative AI (genAI) tools (e.g., ChatGPT, Copilot) have become ubiquitous in software engineering (SE). As SE educators, it behooves us to understand the consequences of genAI usage among SE students and to create a holistic view of where these tools can be successfully used. Through 16 reflective interviews with SE students, we explored their ac...

New contributors often struggle to find tasks they can tackle when onboarding onto a new Open Source Software (OSS) project. One reason for this difficulty is that issue trackers lack explanations about the knowledge or skills needed to complete a given task successfully. These explanations can be complex and time-consuming to produce. Past researc...

The sustainability of open source software (OSS) projects hinges on contributor retention. Interpersonal challenges can inhibit a feeling of welcomeness among contributors, particularly from underrepresented groups, which impacts their decision to continue with the project. How much this impact is, varies among individuals, underlining the importan...

Context: There is a growing belief in the literature that large lan- guage models (LLMs), such as ChatGPT, can mimic human behavior in surveys. Gap: While the literature has shown promising results in social sciences and market research, there is scant evidence of its effectiveness in technical fields like software engineering. Objective: Inspired...

Igor Steinmacher, Bianca Trinkenreich, Marco Gerosa, and Anita Sarma

Generative AI (genAI) tools, such as ChatGPT or Copilot, are advertised to improve developer productivity and are being integrated into software development. However, misaligned trust, skepticism, and usability concerns can impede the adoption of such tools. Research also indicates that AI can be exclusionary, failing to support diverse users adequ...

[Context] Newcomers joining an unfamiliar software project face numerous barriers; therefore, effective onboarding is essential to help them engage with the team and develop the behaviors, attitudes, and skills needed to excel in their roles. However, onboarding can be a lengthy, costly, and error-prone process. Software solutions can help mitigate...

Contributing to OSS projects can help students to enhance their skills and expand their professional networks. However, novice contributors often feel discouraged due to various barriers. Gamification techniques hold the potential to foster engagement and facilitate the learning process. Nevertheless, it is unknown which game elements are effective...

Context Code annotations have gained widespread popularity in programming languages, offering developers the ability to attach metadata to code elements to define custom behaviors. Many modern frameworks and APIs use annotations to keep integration less verbose and located nearer to the corresponding code element. Despite these advantages, practiti...

Computational thinking, and by extension, computer programming, is notoriously challenging to learn. Conversational agents and generative artificial intelligence (genAI) have the potential to facilitate this learning process by offering personalized guidance, interactive learning experiences, and code generation. However, current genAI-based chatbo...

Effective prioritization of issue reports is crucial in software engineering to optimize resource allocation and address critical problems promptly. However, the manual classification of issue reports for prioritization is laborious and lacks scalability. Alternatively, many open source software (OSS) projects employ automated processes for this ta...

Research within sociotechnical domains, such as software engineering, fundamentally requires the human perspective. Nevertheless, traditional qualitative data collection methods suffer from difficulties in participant recruitment, scaling, and labor intensity. This vision paper proposes a novel approach to qualitative data collection in software en...

Burnout affects software developers' mental and physical well-being and contributes to their turnover, which has generated strong industry concerns. Our previous research showed that the lack of sense of belonging is linked to higher levels of burnout in software developers. Sense of belonging is also key to making people more resilient, and have b...

Database Management Systems (DBMSs) are largely used to store, retrieve, and manage the vast amounts of data that modern applications handle. There are various DBMSs available in the industry. While a few studies have examined the co-evolution of DBMSs and application source code, there is a research gap in examining the adoption of DBMSs in real s...

Software projects frequently use automation tools to perform repetitive activities in the distributed software development process. Recently, GitHub introduced GitHub Actions , a feature providing automated workflows for software projects. Understanding and anticipating the effects of adopting such technology is important for planning and managemen...

Labeling issues with the skills required to complete them can help contributors to choose tasks in Open Source Software projects. However, manually labeling issues is time-consuming and error-prone, and current automated approaches are mostly limited to classifying issues as bugs/non-bugs. We investigate the feasibility and relevance of automatical...

Journal-First submission to ESEM 2023

Developers often struggle to navigate an Open Source Software (OSS) project's issue-tracking system and find a suitable task. Proper issue labeling can aid task selection, but current tools are limited to classifying the issues according to their type (e.g., bug, question, good first issue, feature, etc.). In contrast, this paper presents a tool (G...

Labeling issues with the skills required to complete them can help contributors to choose tasks in Open Source Software projects. However, manually labeling issues is time-consuming and error-prone, and current automated approaches are mostly limited to classifying issues as bugs/non-bugs. We investigate the feasibility and relevance of automatical...

Diversity and inclusion in open source software (OSS) is a multifaceted concept that arises from differences in contributors' gender, seniority, language, region, and other characteristics. D&I has received growing attention in OSS ecosystems and projects, and various programs have been implemented to foster contributor diversity. However, we do no...

Selecting an appropriate task is challenging for newcomers to Open Source Software (OSS) projects. To facilitate task selection, researchers and OSS projects have leveraged machine learning techniques, historical information, and textual analysis to label tasks (a.k.a. issues) with information such as the issue type and domain. These approaches are...

Developers often struggle to identify the skills required to work on open issues in Open Source Software (OSS) projects. Proper issue labeling can help task selection, but current strategies are limited to classifying the issues according to their type (e.g., bug, question, good first issue, feature, etc.). In contrast, this paper presents a tool t...

Selecting an appropriate task is a challenging step for newcomers to Open Source Software (OSS) projects. To facilitate task selection, researchers and OSS projects have leveraged machine learning techniques, historical information, and textual analysis to label tasks (a.k.a. issues) with information such as the issue type and domain. These approac...

Social coding platforms such as GitHub allows software developers to work collaboratively. However, if such platforms do not support specific cognitive styles, they disproportionately impact newcomers with these styles, especially those from underrepresented groups such as women. Research shows that the cognitive styles that are common to underrepr...

Job burnout is a type of work-related stress associated with a state of physical or emotional exhaustion that also involves a sense of reduced accomplishment and loss of personal identity. Burnt out can affect one's physical and mental health and has become a leading industry concern and can result in high workforce turnover. Through an empirical s...

Complex software systems have a network of dependencies. Developers often configure package managers (e.g., npm ) to automatically update dependencies with each publication of new releases containing bug fixes and new features. When a dependency release introduces backward-incompatible changes, commonly known as breaking changes , dependent package...

The sense of belonging to a community is a basic human need that impacts an individuals behavior, long-term engagement, and job satisfaction, as revealed by research in disciplines such as psychology, healthcare, and education. Despite much research on how to retain developers in Open Source Software projects and other virtual, peer-production comm...

Complex software systems have a network of dependencies. Developers often configure package managers (e.g., npm) to automatically update dependencies with each publication of new releases containing bug fixes and new features. When a dependency release introduces backward-incompatible changes, commonly known as breaking changes, dependent packages...

Women are underrepresented in open source projects, causing them to lose career and skill-development opportunities. This article highlights the challenges that women face being a part of open source projects and lists a set of strategies that communities can implement to mitigate these issues.

Projects on GitHub rely on the automation provided by software development bots to uphold quality and alleviate developers' workload. Nevertheless, the presence of bots can be annoying and disruptive to the community. Backed by multiple studies with practitioners, this paper provides guidelines for developing and maintaining software bots. These gu...

Context: Code annotation is a feature to define custom metadata about programming elements. Many modern frameworks and APIs use annotations to keep integration less verbose and closer to the corresponding code element. However, contrary to the initial intent, practitioners often complain about the negative impacts of annotations on code readability...

Women are underrepresented in Open Source Software (OSS) projects, as a result of which, not only do women lose career and skill development opportunities, but the projects themselves suffer from a lack of diversity of perspectives. Practitioners and researchers need to understand more about the phenomenon; however, studies about women in open sour...

\textbf{Context:} Addressing women's under-representation in the software industry, a widely recognized concern, requires attracting as well as retaining more women. Hearing from women practitioners, particularly those positioned in multi-cultural settings, about their challenges and and adopting their lived experienced solutions can support the de...

Software bots are becoming increasingly popular in software engineering (SE). In this tutorial, we define what a bot is and present several examples. We also discuss the many benefits bots provide to the SE community, including helping in development tasks (such as pull request review and integration) and onboarding newcomers to a project. Finally,...

Software bots connect users and tools, streamlining the pull request review process in social coding platforms. Nevertheless, the presence of bots can be annoying and disruptive to the community. Interviewing open-source developers, we created a theory of how human developers perceive annoying bot behaviors as noise. To identify strategies to overc...

[Background] Selecting an appropriate task is challenging for Open Source Software (OSS) project newcomers and a variety of strategies can help them in this process. [Aims] In this research, we compare the perspective of maintainers, newcomers, and existing contributors about the importance of strategies to support this process. Our goal is to iden...

Software bots have been facilitating several development activities in Open Source Software (OSS) projects, including code review. However, these bots may bring unexpected impacts to group dynamics, as frequently occurs with new technology adoption. Understanding and anticipating such effects is important for planning and management. To analyze the...

Software bots connect users and tools, streamlining the pull request review process in social coding platforms. However, bots can introduce information overload into developers' communication. Information overload is especially problematic for newcomers, who are still exploring the project and may feel overwhelmed by the number of messages. Inspire...

Bots automate tasks in software engineering projects and interact with software developers. Bots have been proposed, for example, for testing, maintenance, and automating bug fixes. The research community has been discussing these bots in the International Workshop on Bots in Software Engineering (BotSE), collocated with ICSE (the International Con...

Software engineering bots are applications that are able to react to external stimuli, such as events triggered by tools and messages posted by users, and run automated tasks in response, working as an interface between users and services. Bots often include conversational capabilities to interact with end users through textual messages (in chatbot...

We are witnessing a massive adoption of software engineering bots, applications that react to events triggered by tools and messages posted by users and run automated tasks in response, in a variety of domains. This thematic issues describes experiences and challenges with these bots.

[Background] Selecting an appropriate task is challenging for Open Source Software (OSS) project newcomers and a variety of strategies can help them in this process. [Aims] In this research, we compare the perspective of maintainers, newcomers, and existing contributors about the importance of strategies to support this process. Our goal is to iden...

Automated tools are frequently used in social coding repositories to perform repetitive activities that are part of the distributed software development process. Recently, GitHub introduced GitHub Actions, a feature providing automated workflows for repository maintainers. Understanding and anticipating the effects of adopting such kind of technolo...

Participation in Open Source Software (OSS) projects offers real software development experience for students and other newcomers seeking to develop their skills. However, onboarding to an OSS project brings various challenges, including finding a suitable task among various open issues. Selecting an appropriate starter task requires newcomers to i...

Several Open-Source Software (OSS) projects depend on the continuity of their development communities to remain sustainable. Understanding how developers become inactive or why they take breaks can help communities prevent abandonment and incentivize developers to come back. In this paper, we propose a novel method to identify developers’ inactive...

Chatbots are often designed to mimic social roles attributed to humans. However, little is known about the impact of using language that fails to conform to the associated social role. Our research draws on sociolinguistic to investigate how a chatbot’s language choices can adhere to the expected social role the agent performs within a context. We...

Bots have become popular in software projects as they play critical roles, from running tests to fixing bugs/vulnerabilities. However, the large number of software bots adds extra effort to practitioners and researchers to distinguish human accounts from bot accounts to avoid bias in data-driven studies. Researchers developed several approaches to...

Addressing women's under-representation in the software industry, a widely recognized concern, requires attracting as well as retaining more women. Hearing from women practitioners, particularly those positioned in multi-cultural settings, about their challenges and and adopting their lived experienced solutions can support the design of programs t...

Open Source Software (OSS) Foundations and projects are investing in creating Diversity and Inclusion (D&I) initiatives. However, little is known about contributors' perceptions about the usefulness and success of such initiatives. We aim to close this gap by investigating how contributors perceive the state of D&I in their community. In collaborat...

Chatbots often perform social roles associated with human interlocutors; hence, designing chatbot language to conform with the stereotypes of its social category is critical to the success of this technology. In a previous study, Chaves et al. performed a corpus analysis to evaluate how language variation in an interactional situation, namely the l...

Software bots automate tasks within Open Source Software (OSS) projects' pull requests and save reviewing time and effort ("the good"). However, their interactions can be disruptive and noisy and lead to information overload ("the bad"). To identify strategies to overcome such problems, we applied Design Fiction as a participatory method with 32 pr...

Projects on GitHub rely on the automation provided by software development bots to uphold quality and alleviate developers’ workload. Nevertheless, the presence of bots can be annoying and disruptive to the community. Backed by multiple studies with practitioners, this paper provides guidelines for developing and maintaining software bots. These gu...

Mentoring is a well-known way to help newcomers to Open Source Software (OSS) projects overcome initial contribution barriers. Through mentoring, newcomers learn to acquire essential technical, social, and organizational skills. Despite the importance of OSS mentors, they are understudied in the literature. Understanding who OSS project mentors are...

Software bots are used to streamline tasks in Open Source Software (OSS) projects' pull requests, saving development cost, time, and effort. However, their presence can be disruptive to the community. We identified several challenges caused by bots in pull request interactions by interviewing 21 practitioners, including project maintainers, contrib...

Open source communities hosted in large foundations operate in a complex socio-technical ecosystem, which includes a heterogeneous mix of projects and stakeholders. Previous work has thus far investigated the challenges faced in OSS communities from the point of view of specific stakeholders, primarily at the level of individual projects. None have...

Success in Open Source Software (OSS) is often perceived as an exclusively code-centric endeavor. This perception can exclude a variety of individuals with a diverse set of skills and backgrounds, in turn helping exacerbate the current diversity & inclusion imbalance in OSS. Because ones perspective of success can affect ones personal, professional...

Software bots are used to streamline tasks in Open Source Software (OSS) projects’ pull requests, savingdevelopment cost, time, and effort. However, their presence can be disruptive to the community. We identifiedseveral challenges caused by bots in pull request interactions by interviewing 21 practitioners, includingproject maintainers, contributo...

Software plays a central role in modern societies, with its high economic value and potential for advancing societal change. In this paper, we characterise challenges and opportunities for a country progressing towards entering the global software industry, focusing on Papua New Guinea (PNG). By hosting a Software Engineering workshop, we conducted...

Success in Open Source Software (OSS) is often perceived as an exclusively code-centric endeavor. This perception can exclude a variety of individuals with a diverse set of skills and backgrounds, in turn helping create the current diversity \& inclusion imbalance in OSS. Because people's perspectives of success affect their personal, professional,...

Participation of women in Open Source Software (OSS) is very unbalanced, despite various efforts to improve diversity. This is concerning not only because women do not get the chance of career and skill developments afforded by OSS, but also because OSS projects suffer from a lack of diversity of thoughts because of a lack of diversity in their pro...

This position paper discusses the relevance of register as a theoretical framework for chatbot language design. We present the concept of register and discuss how using register-specific language influence the user's perceptions of the interaction with chatbots. Additionally, we point several research opportunities that are important to pursue to e...

Understanding students' programming misconceptions is critical. Doing so depends on identifying the reasons why students make errors when learning a new programming language. Knowing the misconceptions can help students to improve their reflection about their mistakes and also help instructors to design better teaching strategies. In this technical...