Web挖掘也叫网络数据挖掘(Web Data Mining)、网络知识发现(Web Knowledge Discovery)，是指采用数据挖掘等信息技术，从Web信息资源以及Web使用记录中挖掘对特定用户感兴趣的、有用的信息或知识的过程，其结果可以为...
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他们只是想了解网络是如何运行的，并从中发现问题，挑战现有的知识。
They just wanted to know how computer networks worked and saw any barrier between them and that knowledge as a challenge.
半结构化数据是网络中一种重要的数据形式，其数据抽取和知识发现研究是半结构化数据各项研究的核心。
Semi-instructured data is a kind of the important type in networks, and its data extracting and knowledge discovery is the core for semi-structured researches.
他们只是想了解网络是如何运行的，并从中发现问题，挑战现有的知识。
They just wanted to know how computer networks worked and saw any barrier between them and that knowledge as a challenge. -.
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