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» A Query Language for XML
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IDEAS
2007
IEEE
118views Database» more  IDEAS 2007»
15 years 6 months ago
A Two Layered Approach for Querying Integrated XML Sources
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems...
Felipe Victolla Silveira, Carlos A. Heuser
ER
2007
Springer
163views Database» more  ER 2007»
15 years 5 months ago
Know your Limits: Enhanced XML Modeling with Cardinality Constraints
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...
Sebastian Link, Thu Trinh
TDM
2004
128views Database» more  TDM 2004»
15 years 1 months ago
Processing Content-And-Structure Queries for XML Retrieval
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
Börkur Sigurbjörnsson, Jaap Kamps, Maart...
SIGMOD
2001
ACM
95views Database» more  SIGMOD 2001»
15 years 12 months ago
Updating XML
As XML has developed over the past few years, its role has expanded beyond its original domain as a semantics-preserving markup language for online documents, and it is now also t...
Igor Tatarinov, Zachary G. Ives, Alon Y. Halevy, D...
ADCS
2004
15 years 1 months ago
NLPX - An XML-IR System with a Natural Language Interface
Traditional information retrieval (IR) systems respond to user queries with ranked lists of relevant documents. The separation of content and structure in XML documents allows indi...
Alan Woodley, Shlomo Geva