492 search results - page 81 / 99 » Computing aggregations in database query languages |
DOCENG
2004
ACM
14 years 3 months ago
2004
ACM
XPath [16] was introduced by the W3C as a standard language for specifying node selection, matching conditions, and for computing values from an XML document. XPath is now used in...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...
LAWEB
2003
IEEE
14 years 3 months ago
2003
IEEE
RDF is the first W3C standard for enriching information resources of the Web with detailed meta data. The semantics of RDF data is defined using a RDF schema. The most expressiv...
BMCBI
2007
13 years 9 months ago
2007
Background: The web has seen an explosion of chemistry and biology related resources in the last 15 years: thousands of scientific journals, databases, wikis, blogs and resources ...
ECEASST
2008
13 years 10 months ago
2008
The OCL (Object Constraint Language) as part of the UML (Unified Modeling Language) is a rich language with different collection kinds (sets, multi-sets, sequences) and a large var...