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ICSE 2023
Sun 14 - Sat 20 May 2023 Melbourne, Australia
Wed 17 May 2023 15:45 - 17:15 at Meeting Room 111 - Technical Briefing 7

Search-Based Software Engineering (SBSE) has been becoming an increasingly important research paradigm for automating and solving different software engineering tasks. When the considered tasks have more than one objective/criterion to be optimised, they are called multi-objective ones. In such a scenario, the outcome is typically a set of incomparable solutions (i.e., being Pareto nondominated to each other), and then a common question faced by many SBSE practitioners is: how to evaluate the obtained sets by using the right methods and indicators in the SBSE context? In this comprehensive technical brief, we seek to provide a systematic methodology and guideline for answering this question. We start off by discussing why we need formal evaluation methods/indicators for multi-objective optimisation problems in general, and the result of a survey on how they have been dominantly used in SBSE. This is then followed by a detailed introduction of representative evaluation methods and quality indicators used in SBSE, including their behaviors and preferences. In the meantime, we demonstrate the patterns and examples of potentially misleading usages/choices of evaluation methods and quality indicators from the SBSE community, highlighting their consequences. Afterwards, we present a systematic methodology that can guide the selection and use of evaluation methods and quality indicators for a given SBSE problem in general, together with pointers that we hope to spark dialogues about some future directions on this important research topic for SBSE. Lastly, we showcase a multi-objective SBSE case study, in which we demonstrate the consequences of incorrect use of evaluation methods/indicators and exemplify the implementation of the guidance provided.

Wed 17 May

Displayed time zone: Hobart change

15:45 - 17:15
Technical Briefing 7Technical Briefings at Meeting Room 111
Methodology and Guidelines for Evaluating Multi-Objective Search-Based Software Engineering
Technical Briefings
Miqing Li University of Birmingham, Tao Chen University of Birmingham