Abstract
In this era of the competitive world, one needs to stay updated with all the information that is required for their professional and personal growth. But due to vast information, it is difficult to cope up with the ever-changing data. WWW is the main source of data. It consists of thousands and millions of web pages, out of which some are static pages while the other is dynamic pages. The contents of the dynamic web pages such as news websites, stock prices, weather broadcast change frequently. The changes include the insertion of some new data, deletion of data, or modification of existing data. To detect the changes that are variedly occurring in these web pages, various change detection tools and algorithms have been developed. This paper will discuss the categories of changes occurring on the structured document and their corresponding algorithms and tools which can be applied to retrieve the relevant changes.
Published Version
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