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» A Query Algebra for Fragmented XML Stream Data
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PODS
2005
ACM
109views Database» more  PODS 2005»
14 years 7 months ago
XPath satisfiability in the presence of DTDs
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
Michael Benedikt, Wenfei Fan, Floris Geerts
CIKM
2008
Springer
13 years 9 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
TDM
2004
203views Database» more  TDM 2004»
13 years 8 months ago
Relational Algebra: Mother Tongue - XQuery: Fluent
This work may be seen as a further proof of the versatility of the relational database model. Here, we add XQuery to the catalog of languages which RDBMSs are able to "speak&...
Torsten Grust, Jens Teubner
SOSP
2001
ACM
14 years 4 months ago
Mesh Based Content Routing using XML
We have developed a new approach for reliably multicasting timecritical data to heterogeneous clients over mesh-based overlay networks. To facilitate intelligent content pruning, ...
Alex C. Snoeren, Kenneth Conley, David K. Gifford
PGLDB
2003
166views Database» more  PGLDB 2003»
13 years 8 months ago
ROSA: A Data Model and Query Language for e-Learning Objects
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
Fabio Porto, Ana Maria de Carvalho Moura, Adriana ...