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» Scalable Multi-query Optimization for SPARQL
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SEMWEB
2010
Springer
13 years 1 months ago
SPARQL Query Optimization on Top of DHTs
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
Zoi Kaoudi, Kostis Kyzirakos, Manolis Koubarakis
ICDE
2012
IEEE
196views Database» more  ICDE 2012»
11 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...
WWW
2011
ACM
12 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
2010
ACM
13 years 10 months ago
Matrix "Bit" loaded: a scalable lightweight join query processor for RDF data
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...
Medha Atre, Vineet Chaoji, Mohammed J. Zaki, James...
SEMWEB
2009
Springer
13 years 10 months ago
Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes
RDF Schema (RDFS) as a lightweight ontology language is gaining popularity and, consequently, tools for scalable RDFS inference and querying are needed. SPARQL has become recently ...
Giovambattista Ianni, Thomas Krennwallner, Alessan...