Posts with keyword: xquery

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Symmetric Queries in XML

Wed May 24 07:54:00 2006

Also in the XML session, Shuohao Zhang from Washington State University spoke on Symmetrically Exploiting XML. This paper was nominated as a best student paper. (See the paper.) XML queries are asymmetric because they're hierarchical. Rearranging the hierarchy requires changing the query. This work is aimed at making a single query work across multiple structures. This is useful when you don't know what the schema is, for heterogeneous or irregular data, or when the schema evolves. Axes (parent, child, ancestor, descendent, preceding, following, etc.) are all directional. This work proposes a non-directional axes called closest. The semantics is a
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