We describe the object-oriented editor GenEd supporting the design of specifications for visual notations. Prominent features of GenEd are (1) it is generic, i.e. domain-specific ...
This paper presents XXL, a new interactive development system for building user interfaces which is based on the concept of textual and visual equivalence. XXL includes an interac...
The cooperation knowledge level is a new computer level specifically for multi-agent problem solvers which describes rich and explicit models of common social phenomena. A cooperat...
We describe the automatic generation of a provably correct compiler for a non-trivial subset of Ada. The compiler is generated from an emantic description; it emits absolute code ...
This paper describes an Ei el system for rapid testing of grammars. Grammars are de ned in an extended BNF notation that allows actions on the parse tree nodes to be de ned as add...