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» Approximate XML joins
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PVLDB
2010
105views more  PVLDB 2010»
14 years 10 months ago
Destabilizers and Independence of XML Updates
Independence analysis is the problem of determining whether an update affects the result of a query, e.g. a constraint or materialized view. We develop a new, modular framework fo...
Michael Benedikt, James Cheney
FSS
2008
122views more  FSS 2008»
14 years 11 months ago
Type-2 implications on non-interactive fuzzy truth values
In this paper we consider algebras of fuzzy truth values equipped with an implication operation. Generalizing the definition of type-1 fuzzy implications, we discuss extended fuzz...
Zsolt Gera, József Dombi
BIOINFORMATICS
2011
14 years 6 months ago
Algorithms for sorting unsigned linear genomes by the DCJ operations
Motivation: The double cut and join operation (abbreviated as DCJ) has been extensively used for genomic rearrangement. Although the DCJ distance between signed genomes with both ...
Haitao Jiang, Binhai Zhu, Daming Zhu
ICDE
2006
IEEE
148views Database» more  ICDE 2006»
16 years 1 months ago
Unifying the Processing of XML Streams and Relational Data Streams
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
Xin Zhou, Hetal Thakkar, Carlo Zaniolo
XSYM
2004
Springer
129views Database» more  XSYM 2004»
15 years 5 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 specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...