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» Structure and Value Synopses for XML Data Graphs
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VLDB
2002
ACM
106views Database» more  VLDB 2002»
11 years 9 months ago
Structure and Value Synopses for XML Data Graphs
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
Neoklis Polyzotis, Minos N. Garofalakis
ICDE
2006
IEEE
136views Database» more  ICDE 2006»
12 years 11 months ago
XCluster Synopses for Structured XML Content
We tackle the difficult problem of summarizing the path/branching structure and value content of an XML database that comprises both numeric and textual values. We introduce a nov...
Neoklis Polyzotis, Minos N. Garofalakis
XSYM
2004
Springer
129views Database» more  XSYM 2004»
12 years 3 months 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 speciļ¬c navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...
BNCOD
2007
121views Database» more  BNCOD 2007»
11 years 11 months ago
Indexing and Searching XML Documents Based on Content and Structure Synopses
We present a novel framework for indexing and searching schema-less XML documents based on concise summaries of their structural and textual content. Our search query language is X...
Weimin He, Leonidas Fegaras, David Levine
EDBT
2009
ACM
110views Database» more  EDBT 2009»
12 years 2 months ago
A sampling approach for XML query selectivity estimation
As the Extensible Markup Language (XML) rapidly establishes itself as the de facto standard for presenting, storing, and exchanging data on the Internet, large volume of XML data ...
Cheng Luo, Zhewei Jiang, Wen-Chi Hou, Feng Yu, Qia...
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