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AIIA
2007
Springer
14 years 1 months ago
English Querying over Ontologies: E-QuOnto
Relational database (DB) management systems provide the standard means for structuring and querying large amounts of data. However, to access such data the exact structure of the D...
Raffaella Bernardi, Francesca Bonin, Diego Calvane...
WWW
2007
ACM
14 years 8 months ago
SPARQ2L: towards support for subgraph extraction queries in rdf databases
Many applications in analytical domains often have the need to "connect the dots" i.e., query about the structure of data. In bioinformatics for example, it is typical t...
Kemafor Anyanwu, Angela Maduko, Amit P. Sheth
COMAD
2008
13 years 9 months ago
Efficient Evaluation of Forward XPath Axes over XML Streams
Although many algorithms have been proposed for evaluating XPath queries containing un-ordered axes (child, descendant, parent and ancestor) against streaming XML data, there are ...
Abdul Nizar, P. Sreenivasa Kumar
ICDT
2009
ACM
125views Database» more  ICDT 2009»
14 years 8 months ago
How big must complete XML query languages be?
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
Clemens Ley, Michael Benedikt
SEMWEB
2009
Springer
14 years 2 months ago
Functions over RDF Language Elements
Spreadsheet tools are often used in business and private scenarios in order to collect and store data, and to explore and analyze these data by executing functions and aggregation...
Bernhard Schandl