D. Chamberlin, D. Florescu, J. Robie, J. Simon, and M. Stefanescu. XQuery: A query language for XML W3C working draft. Technical Report WD-xquery-2001. Home/Search Document Not in Database Summary Related Articles Check |
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ViST: A Dynamic Index Method for Querying XML Data by Tree.. - Wang, Park, Fan, Yu (2003) (10 citations) (Correct)
....CDATA# seller (item )# buyer ID ID location CDATA name CDATA# item (item )# item name CDATA manufacturer CDATA# Figure 1: DTD of purchase records. Sellers supply items (some contain sub items) to buyers. Several query languages, including XPath [7] Quilt [5] XMLQL [10] and XQuery [4], have been proposed for semistructured XML data. The ability to express complex structural or graphical queries is one of the major focuses in XML query language design. In Figure 2, we show four sample queries in graph form. It is well known that querying XML data is equivalent to finding sub ....
D. Chamberlin, D. Florescu, J. Robie, J. Simon, and M. Stefanescu. XQuery: A query language for XML W3C working draft. Technical Report WD-xquery-2001.
Indexing and Querying XML Data for Regular Path Expressions - Li, Moon (2001) (74 citations) (Correct)
....XML metadata can be used to describe a web site structure to facilitate navigation by generating interactive site maps [19] To retrieve XML and semi structured data, several query languages have been proposed. Examples are Lorel [1] XML QL [10] XML GL [5] Quilt [7] XPath [8] and XQuery [6]. The XQuery is the first public working draft of a query language for XML released recently from the World Wide Web Consortium (W3C) The XQuery language is designed to be broadly applicable across all types of XML data sources from documents to databases and object repositories. The common ....
....values of the first sibling, first child, and the first attribute andsoon. 3 Path Join Algorithms In this section, we propose new path join algorithms to efficiently process regular path expression queries for XML data. Consider the following sample query borrowed from the XQuery working draft [6]. Q1) chapter figure[ caption= Tree Frogs ] Symbol Function of Symbol Denotes any single node Denotes a separator between nodes in a path # Denotes a union of nodes Denotes zero or one occurrence of a node Denotes one or more occurrences of a node Denotes zero or more ....
Don Chamberlin, Daniela Florescu, Jonathan Robie, Jrme Simon, and Mugur Stefanescu. XQuery: A Query Language for XML W3C working draft. Technical Report WD-xquery-20010215, World Wide Web Consortium, February 2001.
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