3269 search results - page 186 / 654 » Query Optimization for XML |
129
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EDBT
2002
ACM
16 years 3 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
134
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MFCS
2009
Springer
15 years 10 months ago
2009
Springer
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We de�...
208
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ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
We present a system that enables flexible and efficient phrase matching in XML documents. Since XML allows structured and unstructured information to be interleaved, phrase matchi...
232
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Keyword search enables web users to easily access XML data without the need to learn a structured query language and to study possibly complex data schemas. Existing work has addr...
132
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DEXAW
2008
IEEE
15 years 10 months ago
2008
IEEE
In an XML document a considerable fraction consists of markup, that is, begin and end-element tags describing the document’s tree structure. XML compression tools such as XMill ...