With the flood of information on the Web, Web mining is a new research issue which draws great interest from many communities. Currently, there is no agreement about Web mining yet. It needs more discussion among researchers in order to definewhat it is exactly. Meanwhile, the development of Web mining system will promote its research in turn. In this paper we present a preliminary discussion about Web mining, including the definition, the relationship between information mining and retrievalon the Web, the taxonomy and the function of Web mining. In addition, WebTMS, a prototype of Web text mining System, was designed. WebTMS is a multi-agent system which combines text mining and multi-dimension document analysis in order to help user inmining HTML documents on the Web effectively.
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