In the visual programming domain, the stress of research is laid on the use of visual formalism, which is considered to be more intuitive than the textual formalism, in the progra...
Reality-based interfaces (RBIs) offer the promise of natural interfaces that are intuitive to use. By allowing users to leverage their innate skills and knowledge about the real-p...
Five science teachers were observed during two selfstudy sessions where they learned to use Visual AgenTalk (VAT). In the first session they learned basic skills; in the second, t...
An often-mentioned advantage of rule-based programming languages is that a program can be extended simply by adding a few more rules. In practice however, the rules tend to be dep...