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» On Graph Based Interaction for Semantic Query Languages
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ESWS
2005
Springer
14 years 1 months ago
Temporal RDF
The Resource Description Framework (RDF) is a metadata model and language recommended by the W3C. This paper presents a framework to incorporate temporal reasoning into RDF, yieldi...
Claudio Gutiérrez, Carlos A. Hurtado, Aleja...
FLOPS
2008
Springer
13 years 9 months ago
Formalizing a Constraint Deductive Database Language Based on Hereditary Harrop Formulas with Negation
In this paper, we present an extension of the scheme HH(C) (Hereditary Harrop formulas with Constraints) with a suitable formulation of negation in order to obtain a constraint ded...
Susana Nieva, Jaime Sánchez-Hernánde...
DEBU
2010
180views more  DEBU 2010»
13 years 7 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...
WWW
2010
ACM
14 years 2 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...
VL
2009
IEEE
164views Visual Languages» more  VL 2009»
14 years 2 months ago
QueryMarvel: A visual query language for temporal patterns using comic strips
In many domains, decision makers want to find and understand patterns of events as these patterns often give insight into the causal relationships among events. Current systems to...
Jing Jin, Pedro A. Szekely