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» Answering XML Queries on Heterogeneous Data Sources
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VLDB
2007
ACM
229views Database» more  VLDB 2007»
14 years 2 months ago
Sum-Max Monotonic Ranked Joins for Evaluating Top-K Twig Queries on Weighted Data Graphs
In many applications, the underlying data (the web, an XML document, or a relational database) can be seen as a graph. These graphs may be enriched with weights, associated with t...
Yan Qi 0002, K. Selçuk Candan, Maria Luisa ...
ENTCS
2006
115views more  ENTCS 2006»
13 years 8 months ago
Distributed Reactive XML
XML-centric models of computation have been proposed as an answer to the demand for interoperability, heterogeneity and openness in coordination models. We present a prototype imp...
Thomas T. Hildebrandt, Henning Niss, Martin Olsen,...
CCGRID
2007
IEEE
14 years 3 months ago
A Service-Oriented System to Support Data Integration on Data Grids
Data Grids provide transparent access to heterogeneous and autonomous data resources. The main contribution of this paper is the presentation of a data sharing system that (i) is ...
Anastasios Gounaris, Carmela Comito, Rizos Sakella...
SEMWEB
2009
Springer
14 years 3 months ago
Executing SPARQL Queries over the Web of Linked Data
The Web of Linked Data forms a single, globally distributed dataspace. Due to the openness of this dataspace, it is not possible to know in advance all data sources that might be r...
Olaf Hartig, Christian Bizer, Johann Christoph Fre...
BDA
2001
13 years 10 months ago
Rewriting and Evaluating Tree Queries with XPath
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...
Bernd Amann, Catriel Beeri, Irini Fundulaki, Miche...