文摘
The development of residential applications with gestural interaction focuses often only on technological and physical aspects in the construction of its applications. The use of technologies that support gestural recognition might restrict the gestural commands of an application. We argue that an abstraction of gestural interaction is required for a more comprehensive interaction approach. In an attempt to reduce problems related to gestural interaction, in this work, we formalized gestural interaction syntactically and semantically. The syntactic formalization uses building blocks that produce a grammar of the Extended Backus-Naur Form (EBNF) type. The semantic information is described by the point of view of residential application, together with their actions or services offered in the application. Additionally, we analyze the relations and combinations of gestural interaction syntactically formalized in generating a set of metrics for evaluating qualities of interaction that are based on recommendations for residential systems, in which the entire description comes from the pre-established syntactic formalization.