XML-GL: a graphical language for querying and restructuring XML documents
WWW '99 Proceedings of the eighth international conference on World Wide Web
GLASS: A Graphical Query Language for Semi-Structured Data
DASFAA '03 Proceedings of the Eighth International Conference on Database Systems for Advanced Applications
A Fast Tree Pattern Matching Algorithm for XML Query
WI '04 Proceedings of the 2004 IEEE/WIC/ACM International Conference on Web Intelligence
XQBE (XQuery By Example): A visual interface to the standard XML query language
ACM Transactions on Database Systems (TODS)
A powerful visual formalism for XML data
Proceedings of the 12th International Conference on Information Integration and Web-based Applications & Services
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XML (eXtensible Markup Language) is used in many contexts of modern information technology to facilitate sharing of information between heterogeneous data sources and inter-platform applications. So, the ability to efficiently query XML data becomes increasingly important. Some XML graphical query languages for XML data have been proposed but they are either too complex or too limited in use. In this paper, we propose a new graphical query language for querying and restructuring XML data, which we call GQLX. GQLX is developed on the base of G-XML data model. The paper presents the basic capabilities of GQLX through a sequence of examples of increasing complexity. We also discuss the semantic part of GQLX.