Event Element Identify of Internet Context

Information on Internet is so huge,and increases quickly. A huge information pool is coming up on the Internet. And much important information can be found on the Internet. Internet is really an important source of information.So extract the key words from the pages on Internet is so improtant.A page description model based on undirection graph is proposed and then a entity ranking algorithm named ER is proposed too.The inspiration of ER come from the PR algothm. And the experiment with ACECrop2005 show that the algorithm has a high effciency.

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