The collective enterprise and China’s future economic developement;

The importance of developing the metallurgical collective enterprises and the reason of hindering its develop- ment are expounded.

Development of Enterprise Ontology based on Data Mining Technology;

The integration of enterprise resource at semantic and knowledge level is implemented and a method of integration of enterprise ontology is provided.

This paper introduces the ontology idea in the field of enterprise modeling, introduces the concept, function, meaning of enterprise ontology, then explains enterprise knowledge representation and organization tactics, in the end,provides the detailed steps of developing ontology and method through an instance.

The development of PE industry has two stages and includes three types:the industry with PE as main body,the industry related with PE and PE owned industry.

The enterprise dominant production-education-research cooperation system at present is the strategy emphases of deepening system reform of scientific research and constructing national innovation system,and it is also an important measure of enterprises to face the challenge and crisis of international competition.

Even more enterprise dominant production-education-research cooperation is the strategy focus to deepen scientific system reform and construct national innovation system,and enterprises use it as a good weapon to face competitive challenge.