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Feb 19

What is a WWW robot 晴

Steven , 14:01 , 学习 , 评论(0) , 引用(0) , 阅读(2147) , Via 本站原创
What is a WWW robot?
A robot is a program that automatically traverses the Web's hypertext structure by retrieving a document, and recursively retrieving all documents that are referenced.
Note that "recursive" here doesn't limit the definition to any specific traversal algorithm; even if a robot applies some heuristic to the selection and order of documents to visit and spaces out requests over a long space of time, it is still a robot.
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