Structural matching and discovery in document databases

Wang, J. T. L.; Shasha, D.; Chang, G. J. S.; Relihan, L.; Zhang, K.; Patel, G.
Proc. of the 1997 ACM SIGMOD Intl Conf. on Management of data

Structural matching and discovery in documents such as SGML and HTML is important for data warehousing [6], version management [7, 11], hypertext authoring, digital libraries [4] and Internet databases. As an example, a user of the World Wide Web may be interested in knowing changes in an HTML document [2, 5, 10]. Such changes can be detected by comparing the old and new version of the document (referred to as structural matching of documents).

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