[Retracted] A Systematic Analysis of Regression Test Case Selection: A Multi-Criteria-Based Approach

Table 2

Basic terms and their explanation along with the respective purposes.

Cluster	Silhouette	Frequently occurred terms (FQTs)	Size	Mean (year)	Mutual information (MI)	Frequently occurred terms depicted as a likelihood ratio p = 1.04^−4
1	0.634	Regression testing, software testing, test case selection	67	2011	Effective testing, regression cycles	Genetic algorithm
2	0.748	Test suite, software testing	63	2012	Software development life cycle, software quality assurance	Swarm intelligence
3	0.897	Quality-aware test case prioritization	75	2017	Maximizing coverage	Weighted source code
4	0.715	Risk-based testing	54	2020	Software modification information	Method invocation relationship
5	0.530	Multiple testing criteria	68	2018	Cost-cognizant average percentage	Pareto-optimal clonal selection algorithm
6	0.472	Continuous integration	71	2020	Test case selection	Machine learning