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» XML Fragments Extended with Database Operators
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XIMEP
2005
ACM
155views Database» more  XIMEP 2005»
14 years 1 months ago
Deep Set Operators for XQuery
There are three set operators defined in XQuery, namely union, intersect and except. They take node sequences as operands, in which each node is identified by its node-ID and tr...
Bo Luo, Dongwon Lee, Wang-Chien Lee, Peng Liu
VLDB
2005
ACM
123views Database» more  VLDB 2005»
14 years 7 months ago
Querying XML streams
Efficient querying of XML streams will be one of the fundamental features of next-generation information systems. In this paper we propose the TurboXPath path processor, which acce...
Vanja Josifovski, Marcus Fontoura, Attila Barta
WEBDB
2000
Springer
110views Database» more  WEBDB 2000»
13 years 11 months ago
Modeling Data Entry and Operations in WebML
Web Modeling Language (WebML, http://webml.org) is a notation for visually specifying complex Web sites at the conceptual level. All the concepts of WebML are specified both graph...
Aldo Bongio, Stefano Ceri, Piero Fraternali, Andre...
DOCENG
2009
ACM
14 years 2 months ago
On the analysis of queries with counting constraints
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
Everardo Bárcenas, Pierre Genevès, N...
MFCS
2004
Springer
14 years 27 days 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