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» On Database Theory and XML
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DASFAA
2005
IEEE
115views Database» more  DASFAA 2005»
15 years 3 months ago
A Unifying Framework for Merging and Evaluating XML Information
Abstract. With the ever increasing connection between XML information systems over the Web, users are able to obtain integrated sources of XML information in a cooperative manner, ...
Ho Lam Lau, Wilfred Ng
DEXAW
2003
IEEE
153views Database» more  DEXAW 2003»
15 years 2 months ago
Approaches to Implementing Active Semantics with XML Schema
In order to enrich XML with event driven, active behavior, the Active XML Schema approach defines active behavior within XML schemas along metadata, and stores traces of active b...
Martin Bernauer, Gerti Kappel, Gerhard Kramler
PODS
2010
ACM
181views Database» more  PODS 2010»
15 years 2 months ago
Schema design for XML repositories: complexity and tractability
Abiteboul et al. initiated the systematic study of distributed XML documents consisting of several logical parts, possibly located on different machines. The physical distributio...
Wim Martens, Matthias Niewerth, Thomas Schwentick
MFCS
2004
Springer
15 years 3 months ago
Complexity of Decision Problems for Simple Regular Expressions
We study the complexity of the inclusion, equivalence, and intersection problem for simple regular expressions arising in practical XML schemas. These basically consist of the conc...
Wim Martens, Frank Neven, Thomas Schwentick
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
15 years 10 months ago
Keyword search on structured and semi-structured data
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
Yi Chen, Wei Wang 0011, Ziyang Liu, Xuemin Lin