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Table 4 Comparison between the extended taxonomy, the base taxonomy and Gumm’s taxonomy

From: An extended global software engineering taxonomy

Taxonomy Basis Dimensions Structure Procedure Description Validation
Extended Existing taxonomy, Systematic literature review and survey findings, and expert knowledge 12 (all the identified dimensions) Facet-based Qualitative Objectively described Comparison with existing taxonomies and demonstration of utility using data from eight finished GSE projects.
Base Existing taxonomies, literature review and expert knowledge 5 (GSE, location, legal entity, geographic distance and temporal distance) Facet-based Qualitative Objectively described Based on expert judgment, comparison with existing taxonomies and demonstration of utility by classifying GSE literature.
Gumm’s literature review 3 (legal entity, geographic distance and temporal distance) Facet-based Qualitative Subjectively described Demonstration of utility using data from one finished GSE project.