Human, Computer, the Real World, and Inevitable Mediating Model

Smith (1985) depicted how it was connected between computers and the “very real world”; he put computer on the left, …

The Model Muddle on Computing

Preface. To distinguish conceptual object from physical object on the three spaces These days, Udi Dahan spoke on his blog …

Abstraction (III) Make Long Story Short

It is easy to be long-winded when writing with the topic “abstraction”[1]: it seems a bit like a bottomless pit, when …