The rich educational resources form network is a great role of promoting for the development of education, but educational retrieval is ineffective at present. Search engine is an available tool but the precision of retrieval is still the crucial problem. Text clustering is an automatic technology to summarize and classified text information. Using the text clustering technology in the field of educational search engine will improve the accuracy of retrieval. Presently clustering in search engine has some preliminary study at home and abroad. There are some clustering engine trial systems can ...
