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ICDE
2012
IEEE
196views Database» more  ICDE 2012»
13 years 6 months ago
Scalable Multi-query Optimization for SPARQL
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
Wangchao Le, Anastasios Kementsietsidis, Songyun D...
171
Voted
WWW
2011
ACM
14 years 10 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
WWW
2006
ACM
16 years 4 months ago
Visualizing an historical semantic web with Heml
This poster presents ongoing efforts to enrich the RDF-based semantic Web with the tools of the Historical Event Markup and Linking Project (Heml). An experimental RDF vocabulary ...
Bruce G. Robertson
KI
2007
Springer
15 years 10 months ago
Semantic Graph Visualisation for Mobile Semantic Web Interfaces
Information visualisation benefits from the Semantic Web: multimodal mobile interfaces to the Semantic Web offer access to complex knowledge and information structures. Natural l...
Daniel Sonntag, Philipp Heim
128
Voted
SAMT
2007
Springer
138views Multimedia» more  SAMT 2007»
15 years 9 months ago
A Constraint-Based Graph Visualisation Architecture for Mobile Semantic Web Interfaces
Abstract. Multimodal and dialogue-based mobile interfaces to the Semantic Web offer access to complex knowledge and information structures. We explore more fine-grained co-ordina...
Daniel Sonntag, Philipp Heim