MONITORING SYSTEM AND METHOD FOR DETECT CHANGES IN WEB PAGE BY COMPARING TREE STRUCTURES

摘要

A system and method for detecting changes in web information by comparing the tree structure of the present invention includes generating a first tree structure by extracting tags included in each web page of a web site, The second tree structure extracted from the web page of the provided web site is compared with the generated second tree structure to detect that the web page of each web site is changed.