Technical Reports (CIS)
Title
What are Real DTDs Like
Document Type
Technical Report
Date of this Version
January 2002
Abstract
DTDs have proved important in a variety of areas: transformations between XML and databases, XML storage, XML publishing, consistency analysis of XML specifications, typechecking, and optimization of XML queries. Much of this work depends on certain assumptions about DTDs, e.g., the absence of recursion and non-determinism. With this comes the need to justify these assumptions against DTDs in the real world. This paper surveys a number of DTDs collected from the Web, and provides statistics with respect to a variety of criteria commonly discussed in XML resesarch.
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Date Posted: 25 May 2005
Comments
University of Pennsylvania Department of Computer and Information Science Technical Report No. MS-CIS-02-05.