What’s a PSE?
- Broadly defined to include
- General (Gallopoulos, Houstis , Rice)
- Meta: tools - subroutines, interfaces
- Meta2: tool builders (app languages, buses, CORBA, html generator...)
- Meta3 : system languages (Java, Perl, Tcl, Lisp)
- Specific / custom built
- MS Powerpoint, Traveller’s aid, Purchasing advisor, Electronic Notebook, Airframe CAD, Biodynamics framework, Wood structures
- Stake in the ground principle
- Easier to “sell”