Application of data mining in employment instruction of undergraduate students

In recent years, the number of graduates are increasing year by year, and to find a job is very hard. This article introduces the concept of data mining and ID3 arithmetic, then select a set of data randomly from the graduates employment database, and make a decision tree by use of ID3 arithmetic to find hidden and useful knowledge from the vast amount of the graduates employment information, which provides invaluable instruction and assistance for the undergraduates in job search.