Sciweavers

288 search results - page 1 / 58
» Keys for XML
Sort
View
ADC
2003
Springer
139views Database» more  ADC 2003»
13 years 10 months ago
Deriving Relation Keys from XML Keys
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
Qing Wang, Hongwei Wu, Jianchang Xiao, Aoying Zhou...
ICDIM
2007
IEEE
13 years 6 months ago
Extending E-R for modelling XML keys
With the growing popularity of XML there is a need not only to describe the structure of XML data but also its semantics. For the conceptual modelling of XML we can use existing c...
Martin Necasky, Jaroslav Pokorný
SAC
2009
ACM
13 years 9 months ago
Discovering XML keys and foreign keys in queries
The XML has undoubtedly become a standard for data representation and manipulation. But most of XML documents are still created without the respective description of their structu...
Martin Necaský, Irena Mlýnková...
EDBT
2009
ACM
85views Database» more  EDBT 2009»
13 years 9 months ago
Expressive, yet tractable XML keys
Constraints are important for a variety of XML recommendations and applications. Consequently, there are numerous opportunities for advancing the treatment of XML semantics. In pa...
Sven Hartmann, Sebastian Link
ICDT
2007
ACM
105views Database» more  ICDT 2007»
13 years 8 months ago
Unlocking Keys for XML Trees
Abstract. We review key constraints in the context of XML as introduced by Buneman et al. We show that one of the proposed inference rules is not sound in general, and the axiomati...
Sven Hartmann, Sebastian Link