Data-Driven Extract Method Recommendations: A Study at ING

David van der Leij, J.R. Binda, Robbert van Dalen, Pieter Vallen, Yaping Luo, Maurício Aniche

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

The sound identification of refactoring opportunities is still an open problem in software engineering. Recent studies have shown the effectiveness of machine learning models in recommending methods that should undergo different refactoring operations. In this work, we experiment with such approaches to identify methods that should undergo an Extract Method refactoring, in the context of ING, a large financial organization. More specifically, we (i) compare the code metrics distributions, which are used as features by the models, between open-source and ING systems, (ii) measure the accuracy of different machine learning models in recommending Extract Method refactorings, (iii) compare the recommendations given by the models with the opinions of ING experts. Our results show that the feature distributions of ING systems and open-source systems are somewhat different, that machine learning models can recommend Extract Method refactorings with high accuracy, and that experts tend to agree with most of the recommendations of the model.
Original languageEnglish
Title of host publicationESEC/FSE 2021 - Proceedings of the 29th ACM Joint Meeting European Software Engineering Conference and Symposium on the Foundations of Software Engineering
EditorsDiomidis Spinellis
Pages1337-1347
Number of pages11
ISBN (Electronic)978-1-4503-8562-6
DOIs
Publication statusPublished - 2021
EventESEC/FSE 2021: 29th ACM Joint European
Software Engineering Conference and Symposium on the Foundations of Software
Engineering
- athens, Greece
Duration: 23 Aug 202128 Aug 2021
Conference number: 29

Publication series

NameESEC/FSE 2021 - Proceedings of the 29th ACM Joint Meeting European Software Engineering Conference and Symposium on the Foundations of Software Engineering

Conference

ConferenceESEC/FSE 2021: 29th ACM Joint European
Software Engineering Conference and Symposium on the Foundations of Software
Engineering
Abbreviated titleESEC/FSE 2021
Country/TerritoryGreece
Cityathens
Period23/08/2128/08/21

Keywords

  • Machine Learning for Software Engineering
  • Software Engineering
  • Software Refactoring

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