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ICDE
2012
IEEE
196views Database» more  ICDE 2012»
7 years 2 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...
PVLDB
2010
174views more  PVLDB 2010»
8 years 10 months ago
x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
Thomas Neumann, Gerhard Weikum
EKAW
2010
Springer
8 years 10 months ago
RDFauthor: Employing RDFa for Collaborative Knowledge Engineering
Abstract. In this paper we present RDFauthor, an approach for authoring information that adheres to the RDF data model. RDFauthor completely hides syntax as well as RDF and ontolog...
Sebastian Tramp, Norman Heino, Sören Auer, Ph...
DEBU
2010
180views more  DEBU 2010»
8 years 12 months ago
Searching RDF Graphs with SPARQL and Keywords
The proliferation of knowledge-sharing communities like Wikipedia and the advances in automated information extraction from Web pages enable the construction of large knowledge ba...
Shady Elbassuoni, Maya Ramanath, Ralf Schenkel, Ge...
ECWEB
2001
Springer
140views ECommerce» more  ECWEB 2001»
9 years 4 months ago
A Two-Layered Integration Approach for Product Information in B2B E-commerce
Electronic B2B marketplaces bring together many online suppliers and buyers, each of which can potentially use his own format to represent the products in his product catalog. The ...
Borys Omelayenko, Dieter Fensel
ESWS
2010
Springer
9 years 4 months ago
Making the Semantic Data Web Easily Writeable with RDFauthor
Abstract. In this demo we present RDFauthor, an approach for authoring information that adheres to the RDF data model. RDFauthor completely hides syntax as well as RDF and ontology...
Sebastian Tramp, Norman Heino, Sören Auer, Ph...
SEMWEB
2009
Springer
9 years 6 months ago
Discovering and Maintaining Links on the Web of Data
The Web of Data is built upon two simple ideas: Employ the RDF data model to publish structured data on the Web and to create explicit data links between entities within different...
Julius Volz, Christian Bizer, Martin Gaedke, Georg...
SEMWEB
2009
Springer
9 years 6 months ago
LinkedGeoData: Adding a Spatial Dimension to the Web of Data
Abstract. In order to employ the Web as a medium for data and information integration, comprehensive datasets and vocabularies are required as they enable the disambiguation and al...
Sören Auer, Jens Lehmann, Sebastian Hellmann
WWW
2003
ACM
10 years 17 days ago
?-Queries: enabling querying for semantic associations on the semantic web
This paper presents the notion of Semantic Associations as complex relationships between resource entities. These relationships capture both a connectivity of entities as well as ...
Kemafor Anyanwu, Amit P. Sheth
WWW
2004
ACM
10 years 17 days ago
The Drug Ontology Project for Elsevier - An RDF Architecture Enabling Thesaurus-Driven Data Integration
The DOPE project (Drug Ontology Project for Elsevier) is driven by the need to access multiple information sources through a single interface. In this paper, we describe how DOPE ...
Jeen Broekstra, Christiaan Fluit, Arjohn Kampman, ...
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