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» Optimizing Path Expression Queries of XML Data
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CIKM
2009
Springer
14 years 2 months ago
Towards non-directional Xpath evaluation in a RDBMS
XML query languages use directional path expressions to locate data in an XML data collection. They are tightly coupled to the structure of a data collection, and can fail when ev...
Sourav S. Bhowmick, Curtis E. Dyreson, Erwin Leona...
WWW
2008
ACM
14 years 8 months ago
Efficient evaluation of generalized path pattern queries on XML data
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path-patt...
Xiaoying Wu, Stefanos Souldatos, Dimitri Theodorat...
XSYM
2004
Springer
129views Database» more  XSYM 2004»
14 years 24 days ago
Fractional XSketch Synopses for XML Databases
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...
IJWIS
2008
110views more  IJWIS 2008»
13 years 7 months ago
Determined: a system with novel techniques for XML query optimization and evaluation
: Purpose -- Efficient processing of XML queries is critical for XML data management and related applications. Previously proposed techniques are unsatisfactory. This article prese...
Dunren Che, Wen-Chi Hou
XSYM
2004
Springer
88views Database» more  XSYM 2004»
14 years 24 days ago
Teaching Relational Optimizers About XML Processing
Due to their numerous benefits, relational systems play a major role in storing XML documents. XML also benefits relational systems by providing a means to publish legacy relatio...
Sihem Amer-Yahia, Yannis Kotidis, Divesh Srivastav...