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PVLDB
2008
118views more  PVLDB 2008»
13 years 8 months ago
Column-store support for RDF data management: not all swans are white
This paper reports on the results of an independent evaluation of the techniques presented in the VLDB 2007 paper "Scalable Semantic Web Data Management Using Vertical Partit...
Lefteris Sidirourgos, Romulo Goncalves, Martin L. ...
TKDE
2010
160views more  TKDE 2010»
13 years 7 months ago
Using Proximity Search to Estimate Authority Flow
—Authority flow and proximity search have been used extensively in measuring the association between entities in data graphs, ranging from the Web to relational and XML database...
Vagelis Hristidis, Yannis Papakonstantinou, Ramakr...
WAIM
2010
Springer
13 years 7 months ago
HyperGraphDB: A Generalized Graph Database
We present HyperGraphDB, a novel graph database based on generalized hypergraphs where hyperedges can contain other hyperedges. This generalization automatically reifies every ent...
Borislav Iordanov
ACMSE
2010
ACM
13 years 7 months ago
An ontology-driven rote extractor for pattern disambiguation
In this paper, we describe an ontology-driven pattern disambiguation process for Rote Extractors. Our approach can generate lexical patterns for a particular relation from unrestr...
Sheng Yin, Ismailcem Budak Arpinar
INLG
2010
Springer
13 years 7 months ago
Grouping Axioms for More Coherent Ontology Descriptions
Ontologies and datasets for the Semantic Web are encoded in OWL formalisms that are not easily comprehended by people. To make ontologies accessible to human domain experts, sever...
Sandra Williams, Richard Power