Knowledge Modeling at the Millennium

It has been 13 years since the first version of Protg was run. The original tool was a small application, aimedmainly at building knowledge-acquisition tools for a few very specialized programs (it grew out of the ONCOCINproject and the subsequent attempts to build expert systems for protocol-based therapy planning). The most recentversion, Protg-2000, incorporates the Open Knowledge Base Connectivity (OKBC) knowledge model, is written torun across a wide variety of platforms, supports...