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1- Introduction:
We chose to do our research on the topic of “Web Change Detection”. The first paper we studied concerning the subject is Efficient and Effective Web change detection, which is written by the two PHD students, S. ... Flesca and Masciari developed a new technique to detect web changes, which is based on measuring the similarity between the previous and the current version of an html document. ...
2- Paper summary:
Unlike the conventional web change detection methods, that only inform the user if the requested web page has undergone a change or not, the technique discussed in this paper enables the user to specify which element in a web page he is interested to check for, regardless of other modifications to the page. More specifically, this technique represents the html document in a tree form, and gives the user the freedom to choose in which region of the tree (whether in a sub-tree or a leaf) he is interested to detect changes, and what action to perform if the specified change occurs.
Approximate Word count = 807
Approximate Pages = 3.2
(250 words per page double spaced)
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