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» Temporal query operators in XML databases
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PVLDB
2008
167views more  PVLDB 2008»
13 years 9 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
IDEAS
2003
IEEE
100views Database» more  IDEAS 2003»
14 years 3 months ago
Querying XML Data by the Nested Relational Sequence Database System
In this concise paper, we present the Nested Relational Sequence Model (NRSM), which is an extension of the Nested Relational Data Model in order to handle XML data. We also intro...
Ho Lam Lau, Wilfred Ng
XMLSEC
2003
ACM
14 years 3 months ago
Access control of XML documents considering update operations
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
Chung-Hwan Lim, Seog Park, Sang Hyuk Son
ICDT
2007
ACM
97views Database» more  ICDT 2007»
14 years 4 months ago
Combining Temporal Logics for Querying XML Documents
Close relationships between XML navigation and temporal logics have been discovered recently, in particular between logics LTL and CTL⋆ and XPath navigation, and between the µ-c...
Marcelo Arenas, Pablo Barceló, Leonid Libki...
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
13 years 11 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...