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SEMWEB
2007
Springer
16 years 27 days ago
YARS2: A Federated Repository for Querying Graph Structured Data from the Web
We present the architecture of an end-to-end semantic search engine that uses a graph data model to enable interactive query answering over structured and interlinked data collecte...
Andreas Harth, Jürgen Umbrich, Aidan Hogan, S...
XIMEP
2005
ACM
90views Database» more  XIMEP 2005»
16 years 10 days ago
XPath 2.0: It Can Sort!
As XML finds its place in information technology, query languages for XML attract much attention. Among them XPath is the most known. This article reveals a surprising fact that ...
Pavel Hlousek
SEMWEB
2004
Springer
16 years 3 days ago
The Impact of Context on the Trustworthiness of Communication: An Ontological Approach
We outline a Semantic Web approach for considering the impact of context information on the trustworthiness of communication. We show that the contexts of message sender, receiver,...
Santtu Toivonen, Grit Denker
MMMACNS
2001
Springer
15 years 11 months ago
The Set and Function Approach to Modeling Authorization in Distributed Systems
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
Tatyana Ryutov, B. Clifford Neuman
ICDIM
2007
IEEE
15 years 8 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