Premier Reference Visual languages are the defining component of interactive computing environments, yet in spite of the rapid pace of evolution of this domain, significant challenges remain. "Visual Languages for Interactive Computing: Definitions and Formalizations" presents comprehensive coverage of the problems and methodologies related to the syntax, semantics, and ambiguities of visual languages. This all-inclusive reference authoritatively sets out the defining issues related to formalizing visual languages for interactive computing, creating a foundational reference for future research and application. As a unique collection of research on all critical elements of the field, this Premier Reference Source enables libraries to provide the defining research to drive the next generation of improvements to interactive computing.