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Semantics and optimization of the SPARQL 1.1 federation extension
Published on Jul 07, 20114618 Views
The W3C SPARQL working group is defining the new SPARQL 1.1 query language. The current working draft of SPARQL 1.1 focuses mainly on the description of the language. In this paper, we provide a forma
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Chapter list
Semantics and optimization of the SPARQL 1.1 federation extension00:00
Introduction - 100:32
Introduction - 200:54
Introduction - 301:38
Introduction - 402:19
Introduction: SPARQL 1.1 Federation Extension03:57
Table of Contents - 105:22
Syntax & Semantics Preliminaries - 105:46
Syntax & Semantics Preliminaries - 206:05
Syntax & Semantics Preliminaries - 306:14
SPARQL1.1 SERVICE syntax06:27
SPARQL 1.1 SERVICE Semantics - 108:09
SPARQL 1.1 SERVICE Semantics - 208:50
SPARQL 1.1 SERVICE Semantics - 309:01
Table of Contents - 209:13
SERVICE Evaluation09:29
SERVICE Evaluation – Ingredients and Informal Definitions - 111:34
SERVICE Evaluation – Ingredients and Informal Definitions - 213:14
SERVICE Evaluation - Boundedness15:04
SERVICE Evaluation - Strong Boundedness15:09
SERVICE Evaluation - Safeness - 115:13
SERVICE Evaluation -Safeness - 215:14
Table of Contents - 315:15
Optimising Federated Queries15:38
Optimising federated queries with well - designed patterns16:42
Table of Contents - 417:18
Implementation: OGSA-DAI17:42
Implementation: Evaluation18:50
Results19:52
Table of Contents - 521:06
Conclusions21:07
Acknowledgements22:15