471 search results - page 32 / 95 » Optimizing XPath Queries on Streaming XML Data |
107
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VLDB
2004
ACM
15 years 5 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
231
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ICDE
2003
IEEE
16 years 1 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
212
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
XML database systems emerge as a result of the acceptance of the XML data model. Recent works have followed the promising approach of building XML database management systems on un...
DBPL
2003
Springer
15 years 5 months ago
2003
Springer
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
116
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EDBT
2009
ACM
15 years 6 months ago
2009
ACM
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...