document: The XML web : a first study Although originally designed for large-scale electronic publishing , XML plays an increasingly important role in the exchange of data on the Web . In fact , it is expected that XML will become the lingua franca of the Web , eventually replacing HTML . Not surprisingly , there has been a great deal of interest on XML both in industry and in academia . Nevertheless , to date no comprehensive study on the XML Web ( i.e. , the subset of the Web made of XML documents only ) nor on its contents has been made . This paper is the first attempt at describing the XML Web and the documents contained in it . Our results are drawn from a sample of a repository of the publicly available XML documents on the Web , consisting of about 200,000 documents . Our results show that , despite its short history , XML already permeates the Web , both in terms of generic domains and geographically . Also , our results about the contents of the XML Web provide valuable input for the design of algorithms , tools and systems that use XML in one form or another .
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