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Parsers and Transformation Engines

For the implementation of the prototype, we used following Open-Source ([12]) Markup-processors

• The Xalan XSLT-engine for the processing of XSL-stylesheets. Xalan internally uses the Xerces ([13]) XML-parser.
• The Saxon ([14]) XQuery-processor and XSL-parser for the appliance of XQuery-stylesheets.
• The conversion from HTML to well-formed X(HT)ML (a process often referred to as ''tidying'') is done by the JTidy ([15]) HTML-checker and -pretty-printer.
• For the parsing of HTML-data (used in the page-splitting process), we made use of an Open Source HTMLParser ([16]) (with the fancy name ''HTMLParser'').