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VLDB
2007
ACM
126views Database» more  VLDB 2007»
14 years 10 months ago
SOR: A Practical System for Ontology Storage, Reasoning and Search
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
Chen Wang, Jean-Sébastien Brunner, Jing Lu,...
SIGMOD
2005
ACM
114views Database» more  SIGMOD 2005»
14 years 10 months ago
Semantic characterizations of navigational XPath
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
Maarten Marx, Maarten de Rijke
PODS
2004
ACM
110views Database» more  PODS 2004»
14 years 10 months ago
A Characterization of First-Order Topological Properties of Planar Spatial Data
d abstract) Michael Benedikt Bell Labs Jan Van den Bussche Limburgs Universitair Centrum Christof L?oding Lehrstuhl Informatik VII RWTH Aachen Thomas Wilke Institut f?ur Informatik...
Christof Löding, Jan Van den Bussche, Michael...
DASFAA
2005
IEEE
153views Database» more  DASFAA 2005»
14 years 3 months ago
FASST Mining: Discovering Frequently Changing Semantic Structure from Versions of Unordered XML Documents
Abstract. In this paper, we present a FASST mining approach to extract the frequently changing semantic structures (FASSTs), which are a subset of semantic substructures that chang...
Qiankun Zhao, Sourav S. Bhowmick
SSDBM
2003
IEEE
118views Database» more  SSDBM 2003»
14 years 3 months ago
A Practical Approach for Microscopy Imaging Data Management (MIDM) in Neuroscience
Current data management approaches can easily handle the relatively simple requirements for molecular biology research but not the more varied and sophisticated microscopy imaging...
Shenglan Zhang, Xufei Qian, Amarnath Gupta, Maryan...