XML-based information mediation with MIX
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
WWW '99 Proceedings of the eighth international conference on World Wide Web
Comparative analysis of five XML query languages
ACM SIGMOD Record
Integrating keyword search into XML query processing
Proceedings of the 9th international World Wide Web conference on Computer networks : the international journal of computer and telecommunications netowrking
XQuery++: an extension of XQuery language for a graphical querying
Large Scale Semantic Access to Content (Text, Image, Video, and Sound)
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The popularity of XML as a data representation format has led to significant interest in querying XML documents. Although a "universal" query language is still being designed, two language proposals, XQL and XML-QL, are being implemented and applied. Experience with these early implementations and applications has been instructive in determining the requirements of an XML query language. In this paper, we discuss issues in attempting to query XML, analyze the strengths and weaknesses of current approaches, and propose a number of extensions. We hope that this will be helpful both in forming the upcoming XML Query language standard and in supplementing existing languages.