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EDBT
2012
ACM
315views Database» more  EDBT 2012»
12 years 2 months ago
Sieve: linked data quality assessment and fusion
The Web of Linked Data grows rapidly and already contains data originating from hundreds of data sources. The quality of data from those sources is very diverse, as values may be ...
Pablo N. Mendes, Hannes Mühleisen, Christian ...
WWW
2011
ACM
13 years 7 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...
WEBDB
2010
Springer
208views Database» more  WEBDB 2010»
13 years 10 months ago
XML-Based RDF Data Management for Efficient Query Processing
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
Mo Zhou, Yuqing Wu
SEMWEB
2010
Springer
13 years 10 months ago
Compact Representation of Large RDF Data Sets for Publishing and Exchange
Abstract. Increasingly huge RDF data sets are being published on the Web. Currently, they use different syntaxes of RDF, contain high levels of redundancy and have a plain indivisi...
Javier D. Fernández, Miguel A. Martí...
PVLDB
2008
128views more  PVLDB 2008»
13 years 12 months ago
Hexastore: sextuple indexing for semantic web data management
Despite the intense interest towards realizing the Semantic Web vision, most existing RDF data management schemes are constrained in terms of efficiency and scalability. Still, th...
Cathrin Weiss, Panagiotis Karras, Abraham Bernstei...
DEBU
2010
180views more  DEBU 2010»
14 years 15 days 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...
AMW
2009
14 years 1 months ago
A Nested Graph Model for Visualizing RDF Data
This paper presents an abstract data model for visualizing RDF data based on the notion of nested graphs. Our study gives theoretical results that shows directions to enhance the r...
Renzo Angles
SWAP
2007
14 years 1 months ago
Who the FOAF knows Alice? RDF Revocation in DBin 2.0
In this paper we take a view from the bottom to RDF(S) reasoning. We discuss some issues and requirements on reasoning towards effectively building Semantic Web Pipes, aggregating ...
Christian Morbidoni, Axel Polleres, Giovanni Tumma...
BXML
2004
14 years 1 months ago
Trust and context using the RDF-Source related Storage System (RDF-S3) and easy RQL (eRQL)
Abstract. There exist different ways how to understand and use context information for RDF data. This paper summarizes these different ways and concentrates on the source informati...
Karsten Tolle, Fabian Wleklinski
ESWS
2008
Springer
14 years 2 months ago
Viewing and Querying Topic Maps in terms of RDF
Both Topic Maps and RDF are popular semantic web standards designed for machine processing of web documents. Since these representations were originally created for different purpo...
Silvia Stefanova, Tore Risch