Grundy, JohnHosking, JohnLi, KarenAli, NorhayatiHuh, JunLi, Richard2015-12-070098-5589http://hdl.handle.net/1885/18462Domain-specific visual languages support high-level modeling for a wide range of application domains. However, building tools to support such languages is very challenging. We describe a set of key conceptual requirements for such tools and our approach tKeywords: Collaborative Work; Domain-specific visual language; Future research directions; High-level modeling; Metatool; Model transformation; Model-driven Engineering; Visual specification; Computer aided software engineering; Specifications; Visual languages domain-specific visual language; Metatool; model-driven engineering; software tool; visual specification201310.1109/TSE.2012.332016-02-24