ACM SIGMOD Record
Computing graphical queries over XML data
ACM Transactions on Information Systems (TOIS)
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ACM Transactions on Information Systems (TOIS)
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EDBT '08 Proceedings of the 11th international conference on Extending database technology: Advances in database technology
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DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
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EDBT'04 Proceedings of the 2004 international conference on Current Trends in Database Technology
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ODBASE'06/OTM'06 Proceedings of the 2006 Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, DOA, GADA, and ODBASE - Volume Part I
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XSym'05 Proceedings of the Third international conference on Database and XML Technologies
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International Journal on Semantic Web & Information Systems
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As the use of XML is rapidly growing, a growing number of users without programming skills will need to query XML data. Although designed to be easily understood by humans, XQuery, the XML standard query language, has the typical syntax of programming languages, which most users dislike. In this paper we describe a graphical language (XQBE) inspired by "Query By Example" (QBE), a popular relational query language used by MS Access. XQBE covers a significant subset of XQuery and is supported by a prototype enabling the formulation of queries on a graphical interface and their translation into XQuery, thus providing non-trivial querying capabilities to a wide spectrum of users. Simple queries are easily represented in XQBE, but many "complex" queries allow as well for an intuitive graphical representation.