cal?Abbott Labs?Bayer?Biochemie GmbH?Eli Lilly?Glaxo e?Hoffmann-LaRoche?Merck?Novartis?Novo Nordisk?Pfizer?Pharmacia & UpjohnРPower Utilities?Carolina Pwr. & Light?Consolidated Edison?Detroit Edison?National Power?Tokyo Electric PowerРPulp & Paper?Champion?QUNO?S.D. Warren?Tennaco Packaging?Union Camp Co.?UPMРMetals?Alcan ?Alcoa?British Steel?Cockrill monwealth Alum.?Dofasco?ISCOR?Krupp?Met-Mex Penoles?Outokumpu?POSCO?QIT?Sumitomo Heavy Metals?U.S. Steel?Wuhan Iron & SteelРMining?Anglo-American?Cleveland Cliffs?Cyprus-AMAX?NorandaРOil & Gas Pipeline?El Paso Energy?Koch Industries?Pan Energy/TETCO?Phillips Petroleum?Texas Eastern?Union GasРG2的主要优点Р先进的知识表示和推理技术?实时推理?高可靠性?面向对象设计?结构化自然语言?图形化建模技术?在线开发?易于集成?与各种硬件系统、软件系统和数据库紧密集成?在现有系统的基础上建立智能系统Р构建智能系统的两大任务:?知识库的建立和维护;?与外部软、硬件系统的集成。Р以迭代增量的方式建立知识库。