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GUSTAVO ANSALDI OLIVA


Gustavo Ansaldi Oliva
Hi! I am an Adjunct Professor at Queen's University in Canada. I currently lead the blockchain research team at the Software Analysis and Intelligence Lab (SAIL). My goal is to enable the development of *cost-effective* decentralized applications (DApps) on top of popular programmable blockchain platforms (e.g., Ethereum).

In addition to blockchain, I also conduct empirical studies in the fields of software ecosystems (e.g., dependency management in npm), code analytics (e.g., new lenses for Java code analysis), and explanaible AI (e.g., consistent interpretation of models).

Prior to becoming an adjunct at Queen's, I worked as a research fellow at the same university under the supervision of prof. Dr. Ahmed Hassan. I received my PhD from the University of São Paulo (USP) in Brazil under the supervision of prof. Dr. Marco Gerosa.

PUBLICATIONS

Journal Papers

  1. [TOSEM 22] Is my transaction done yet? An empirical study of transaction processing times in the Ethereum Blockchain Platform. Michael Pacheco, Gustavo A. Oliva, Gopi Krishnan Rajbahadur, and Ahmed E. Hassan. ACM Transactions on Software Engineering and Methodology (TOSEM), 2022.
  2. [EMSE 21] An empirical study of same-day releases of popular packages in the npm ecosystem. Filipe Cogo, Gustavo A. Oliva, Cor-Paul Bezemer, and Ahmed E. Hassan. Springer Empirical Software Engineering (EMSE), 2021.
  3. [TSE 21] The impact of feature importance methods on the interpretation of defect classifiers. Gopi Krishnan Rajbahadur, Shaowei Wang, Gustavo A. Oliva, Yasutaka Kamei, Ahmed E. Hassan. IEEE Transactions on Software Engineering (TSE), 2021.
  4. [TSE 21] Deprecation of packages and releases in software ecosystems: A case study on npm. Filipe Cogo, Gustavo A. Oliva, Ahmed E. Hassan. IEEE Transactions on Software Engineering (TSE), 2021.
  5. [TOSEM 20] Developing Cost-Effective Blockchain-Powered Applications: A Case Study of the Gas Usage of Smart Contract Transactions in the Ethereum Blockchain Platform. Abdullah Ahmad Zarir, Gustavo A. Oliva, Zhen Ming (Jack) Jiang, Ahmed E. Hassan. ACM Transactions on Software Engineering and Methodology (TOSEM), 2020.
  6. [EMSE 20] Code Cloning in Smart Contracts: A Case Study on Verified Contracts from the Ethereum Blockchain Platform. Masanari Kondo, Gustavo A. Oliva, Zhen Ming (Jack) Jiang, Ahmed E. Hassan, Osamu Mizuno. Springer Empirical Software Engineering (EMSE), 2020.
  7. [EMSE 19] An Exploratory Study of Smart Contracts in the Ethereum Blockchain Platform. Gustavo A. Oliva, Ahmed E. Hassan, Zhen Ming (Jack) Jiang. Springer Empirical Software Engineering (EMSE), 2019.
  8. [TSE 19] An Empirical Study of Dependency Downgrades in the npm Ecosystem. Filipe Cogo, Gustavo A. Oliva, Ahmed E. Hassan. IEEE Transactions on Software Engineering (TSE), 2019.
  9. [JSS 16] Using contextual information to predict co-changes. Igor S. Wiese, Reginaldo Ré, Igor Steinmacher, Rodrigo T. Kuroda, Gustavo A. Oliva, Christoph Treude, Marco A. Gerosa. Journal of Systems and Software (JSS) - Special Issue on Context for Software Development, 2016.
  10. [IJWSR 16] A Static Change Impact Analysis Approach based on Metrics and Visualizations to Support the Evolution of Workflow Repositories. Gustavo A. Oliva, Marco A. Gerosa, Fabio Kon, Dejan Milojicic, and Virginia Smith. International Journal of Web Services Research (IJWSR) - Special Issue on Data Quality in Big Data and Trust, 2016.
  11. [CAI 15] Evolving the System’s Core: A Case Study on the Identification and Characterization of Key Developers in Apache Ant. Gustavo A. Oliva, José Teodoro da Silva, Marco A. Gerosa, Francisco W. Santana, Claudia M. L. Werner, Cleidson R. B. de Souza, and Kleverton C. M. de Oliveira. Computing and Informatics (CAI) - Special Issue on Selected Papers from CRIWG, 2015.
  12. [LATAM 15] Do Historical Metrics and Developers Communication Aid to Predict Change Couplings? Igor S. Wiese, Rodrigo T. Kuroda, Reginaldo Ré, Rodrigo S. Bulhões, Gustavo A. Oliva, Marco A. Gerosa. IEEE Latin America Transactions (IEEE LATAM), 2015. (written in Brazilian Portuguese)
  13. [SOCA 13] A Systematic Literature Review of Service Choreography Adaptation. Leonardo A. F. Leite, Gustavo A. Oliva, Guilherme M. Nogueira, Marco A. Gerosa, Fabio Kon, and Dejan Milojicic. Service-Oriented Computing and Applications (SOCA), 2013.

Book Chapters

  1. Change Coupling between Software Artifacts: Learning from Past Changes. Gustavo A. Oliva and Marco A. Gerosa. The Art and Science of Analyzing Software Data, ed. Christian Bird, Tim Menzies, and Thomas Zimmermann. Morgan Kaufmann, 1st edition, 2015.
  2. An Integrated Development and Runtime Environment for the Future Internet Amira B. Hamida, Fabio Kon, Gustavo A. Oliva, Carlos E. M. dos Santos, Jean-Pierre Lorré, Marco Autili, Guglielmo de Angelis, Apostolo Zarras, Nikolaos Georgantas, Valérie Issarny, and Antonia Bertolino. FIA: The Future Internet Assembly – From Promises to Reality. Springer Berlin Heidelberg, 2012.

Conference Papers

  1. [MSR 22] Mining the Ethereum Blockchain Platform: Best Practices and Pitfalls. Gustavo A. Oliva. IEEE/ACM International Conference on Mining Software Repositories (MSR), 2022. Tutorial.
  2. [ESEC/FSE 21] The Gas Triangle and its Challenges to the Development of Blockchain-Powered Applications. Gustavo A. Oliva, Ahmed E. Hassan. ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering (ESEC/FSE), 2021. Ideas, Visions and Reflections (IVR) track.
  3. [ESEC/FSE 21] Code Cloning in Smart Contracts: A Case Study on Verified Contracts from the Ethereum Blockchain Platform. Masanari Kondo, Gustavo A. Oliva, Zhen Ming (Jack) Jiang, Ahmed E. Hassan, Osamu Mizuno. ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering (ESEC/FSE), 2021. Journal-first track.
  4. [ICSE 21] An Empirical Study of Dependency Downgrades in the npm Ecosystem. Filipe Cogo, Gustavo A. Oliva, Ahmed E. Hassan. International Conference on Software Engineering (ICSE), 2021. Journal-first track.
  5. [ICSE 21] An Exploratory Study of Smart Contracts in the Ethereum Blockchain Platform. Gustavo A. Oliva, Ahmed E. Hassan, Zhen Ming (Jack) Jiang. International Conference on Software Engineering (ICSE), 2021. Journal-first track.
  6. [MODELS 19] Pitfalls Analyzer: Quality Control for Model-Driven Data Science Pipelines. Gopi Krishnan Rajbahadur, Gustavo Ansaldi Oliva, Ahmed E. Hassan, Juergen Dingel. MODELS conference, 2019.
  7. [ISSRE 15] Experience report: How do structural dependencies influence change propagation? An empirical study. Gustavo A. Oliva, Marco A. Gerosa. IEEE International Symposium on Software Reliability Engineering (ISSRE), 2015.
  8. [OSS 15] An Empirical Study of the Relation Between Strong Change Coupling and Defects Using History and Social Metrics in the Apache Aries Project. Igor S. Wiese, Rodrigo T. Kuroda, Reginaldo Ré, Gustavo A. Oliva, and Marco A. Gerosa. International Conference on Open Source Systems (OSS), 2015.
  9. [OSS 15] Why Statically Estimate Code Coverage is So Hard? A Report of Lessons Learned. Maurício F. Aniche, Gustavo A. Oliva, and Marco A. Gerosa. International Conference on Open Source Systems (OSS), 2015.
  10. [CRIWG 14] Using Structural Holes Metrics from Communication Networks to Predict Change Dependencies. Igor S. Wiese, Rodrigo T. Kuroda, Douglas N. R. Junior, Reginaldo Ré, Gustavo A. Oliva, Marco A. Gerosa. International Conference on Collaboration and Technology (CRIWG), 2014.
  11. [ICWS 13] A Change Impact Analysis Approach for Workflow Repository Management.Gustavo A. Oliva, Marco A. Gerosa, Dejan S. Milojicic, Virginia Smith. International Conference on Web Services (ICWS), 2013.
  12. [CSMR 13] What do the Asserts in a Unit Test Tell us about Code Quality? A Study on Open Source and Industrial Projects. Maurício F. Aniche, Gustavo A. Oliva, Marco A. Gerosa. European Conference on Software Maintenance and Evolution (CSMR), 2013.
  13. [CRIWG 12] Characterizing Key Developers: A Case Study with Apache Ant. Gustavo A. Oliva, Francisco W. Santana, Kleverton C. M. de Oliveira, Cleidson R. B. de Souza, and Marco A. Gerosa. International Conference on Collaboration and Technology (CRIWG), 2012.

Workshop Papers

  1. [MTD 14] Are the methods in your data access objects (DAOs) in the right place? A preliminary study. Maurício F. Aniche, Gustavo A. Oliva, Marco A. Gerosa. IEEE International Workshop on Managing Technical Debt (MTD), 2014.
  2. [IWPSE 13] What can commit metadata tell us about design degradation? Gustavo A. Oliva, Igor Steinmacher, Igor S. Wiese, Marco A. Gerosa. International Workshop on Principles of Software Evolution (IWPSE) 2013.
  3. [SQM 12] Preprocessing Change-Sets to Improve Logical Dependencies Identification. Gustavo A. Oliva, Francisco W. Santana, Cleidson R. B. de Souza, Marco A. Gerosa. International Workshop on Software Quality and Maintainability (SQM), 2012.

MENTORING

PhD Students

  • Amir Mohammad Ebrahimi (Aug. 2020-present).. Thesis topic: Blockchain and smart contracts.
  • Muhammad Ahasanuzzaman (Mar. 2020-present). Thesis topic: A new perspective on Java code analysis.
  • Filipe Cogo (Aug. 2017-Aug. 2020). Thesis title: Studying Dependency Maintenance Practices through the Mining of Data from NPM Packages. First job after graduation: Software Engineering Researcher at Huawei Technologies.

Master Students

  • Michael Pacheco (Sep. 2019-June 2022). Thesis title: Towards the Development of Cost-Effective Decentralized Applications: An Investigation of Transaction Processing Times on the Ethereum Blockchain Platform. First job after graduation: Software Engineering Researcher at Huawei Technologies.
  • Ahmad Abdullah Zarir (Sep. 2018-Sep. 2019). Thesis title: Studying the Gas Usage and Price of Transactions in the Ethereum Blockchain Platform. First job after graduation: Software developer at Amazon EconTech Canada.

Visitor Students

  • Masanari Kondo (Late 2018-Early 2019). Project topic: Blockchain and smart contracts.
  • Zhitao Lin (Jun 2019-Sep-2019). Project topic: Blockchain and smart contracts.

Undergraduate Students

  • Julia Yach (Late 2018-Early 2019). Project topic: Blockchain and smart contracts.

AWARDS

  • Microsoft Azure for Research (sponsorship)
  • Scholarship from Capes and CNPq - Visiting Research Student at Queen's University for 5 months in 2014
  • Scholarship from Hewlett Packard Enterprise (HPE) for the project High Performance Applications for Smart Cities with "The Machine": Modeling, Simulation, and Development
  • Scholarship from the European Commission FP7 Programme for the project CHOReOS: Scalable Choreographies for the Future Internet
  • Scholarship from Hewlett Packard Enterprise (HPE) Brazil for the project Baile: Enabling Scalable Cloud Service Choreographies

SERVICE

Manuscript reviewing

  • Reviewer for the IEEE Transactions on Software Engineering (TSE) journal
  • Reviewer for the Springer Empirical Software Engineering (EMSE) journal
  • Reviewer for the ACM Transactions on Software Engineering (TOSEM) journal
  • Reviewer for the Journal of Systems and Software (JSS)
  • Reviewer for the Journal of Software: Practice and Experience (SPE)
  • Reviewer for the PeerJ Computer Science journal
  • Reviewer for IEEE Transactions on Services Computing (TSC) journal
  • Reviewer for the IEEE Transactions on Systems, Man and Cybernetics: Systems (SMCA) journal
  • Reviewer for the ACM Transactions on the Web (TWEB) journal
  • Reviewer for Software Testing, Verification and Reliability (STVR)

Committees

  • Conference: IWSC 22 program committee
  • Conference: ICSME 20 Late-Breaking Ideas program committee
  • Conference: ASE 20 Late-Breaking Results program committee
  • Conference: MSR 20 Mining Challenge program committee
  • Conference: ICPC 19 Tools Demo program committee
  • Conference: SANER 19 Tool Demo track program committee
  • Workshop: Publicity co-chair for IWESEP 2019