ID3 simplified algorithm is proposed based on ID3 algorithm in the paper, so that the computing becomes easy.

Difficulty degrees of roof coal caving in 30 collieries are assorted by ID3 arithmetic in data mining technology.

The thesis studies DSS technology and its application in Forest Fire Prevention Command system and the Knowledge Representation in Expert System, presenting an Object-oriented Knowledge Representation based on the Relational Database,and studies the application of ID3 arithmetic in Forest Fire Risk Prediction Model.

Improved ID3 algorithm and its application in education information data mining;

Improved ID3 algorithm based on attribute values;

Method of Examination Score Analysis Decision Tree Construction Based ID3 Algorithm;

Research of ID3 Algorithm Based on Rough Set;

ES-ID3 algorithm and its application to diagnosis of traditional Chinese medicine;

There are a lot of algorithms to the decision tree,the emphasis of this article is the research in Optimization of the decision tree algorithm about of interest degree about customers which is based on algorithm of ID3,the last purpose is to improve the computational speed,and economize computational time.

This paper presents one method in order to improve the speed of decision trees with algorithm of ID3 and the speed of computers.

For this reason, presented the expressing method of decision tree and an optimized decision tree learning algorithm of ID3, especially explained how to select the regulation of decision attribution.