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Modeling and Preserving Greek Government Decisions using Semantic Web Technologies and Permissionless Blockchains

Published on Jul 10, 2018724 Views

We present a re-engineering of Diavgeia, the Greek government portal for open and transparent public administration. We study how decisions of Greek government institutions can be modeled using ontolo

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Chapter list

Modeling and Preserving Greek Government Decisions using Semantic Web Technologies and Permissionless Blockchains00:00
Motivation00:20
Diavgeia: The Greek Transparency portal (current state) 00:28
Four problems of the current implementation01:06
Diavgeia Redefined02:19
Contributions02:34
Related Work03:19
Modeling Greek Goverment decisions using Sematic Web Technologies03:47
The decisions follow a common pattern03:52
The Diavgeia Ontology04:48
Web Editor: A tool to author the decisions 06:43
Decisions are 5-star open linked data07:20
Visualizer07:53
Posing some interesting SPARQL queries08:18
Preserving Decisions using Bitcoin Blockchain09:23
Background on Bitcoin Blockchain09:25
Stamper: The tool towards decentralization10:37
Stamping data published on Diavgeia11:59
Consistency Verifier: verifies the immutability of the decisions12:34
Experimental results: Consistency Verifier13:58
Experimental results: Disk Space reduction14:45
Diavgeia Redefined in a nutshell15:07
Future Work15:44
Thank you!16:26