Abstract
In this paper we describe the advanced features of XML-GL, a graphical query language over XML data which enables the retrieval and restructuring of XML documents in a simple and intuitive way. After a summary of the basic features on the language, we focus on complex queries, whose expressive power subsumes some well-known relational operations (e.g. union, difference, cartesian product) but goes well beyond from these relatively simple operators. © 2000 ACM.
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CITATION STYLE
Ceri, S., Comai, S., Damiani, E., Fraternali, P., & Tanca, L. (2000). Complex queries in XML-GL. In Proceedings of the ACM Symposium on Applied Computing (Vol. 2, pp. 888–893). https://doi.org/10.1145/338407.338677
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