FOSDEM 5/02/2011 1

With the help of the Datalift teamAnd the support of the French National Research Agency

Datalift: A Catalyser for the Web of Data

François ScharffeLIRMM, University of Montpellier

francois.scharffe@lirmm.fr @lechatpito

Datalift

Datasets publication

R&D to automate the publication process

Tool suite to assist data publication

Training, tutorials, data publication camps

Welcome aboard the data lift

Published and interlinked data on the Web

Applications

Interconnexion

Publication infrastructure

Data convertion

Vocabulary selection

Raw data

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1st floor - Selection

Vocabulary of a Friend

Øhttp://www.mondeca.com/foaf/voaf

ØA simple vocabulary...

ØTo represent interconnexions between vocabularies

ØA unique entry point to vocabularies and Datasets of the linked-data cloud Linked Data Cloud

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2nd floor - Conversion

Reference datasets, URI design

● Providing reference datasets for the French ecosystem: geographical, topological, statistical, political

● Providing URI design guidelines● Opaque or transparent URIs ?● Usage of accents in URIs

● Provenance and trust: modeling and reasoning

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3rd floor - Publication

Analysis of RDF Stores : QSOS method

Ø Qualification and Selection of Open Source Software

§ Open Source project on open source solutions

§ http://www.qsos.org

Ø QSOS objectives

§ Qualify software

§ Compare solutions after defining requirements and weighting criterias

§ Select the most adapted product according to the needs

Ø QSOS provides

§ An objective and formalized method

§ A reference of available studies

§ Tools facilitating the method execution

Platform Architecture and Technologies

Ø In the browser toolkit

ØModular, internal RDF store

ØREST

ØRich IHM, HTML5

Ø JQUery+JQuery UI

Ø Java 1.6+ / JEE 1.5+, Java RX (Jersey)

ØVelocity templates

ØSesame 2.0

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4th floor - Interconnection

Towards automated interconnexion services

ØAutomating data interlinking

ØThe linkage specification could be simplified

§ Using alignments between vocabularies

§ Detection of discriminating properties

§ Indicating comparison methods by attaching metadata to ontologies

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5th floor - Applications

Ongoing data lifting effort

Ø IGN - geography, INSEE - statistics

ØDILA – legal, documentation

ØRegards Citoyens - citizen, political

ØDataPublica - open data portal

ØEtat-Lab – open data portal

ØAPIE – legal aspects (licensing)

ØSustainable development office - transport

ØCemagref - agricultural

ØUrban communities of Montpellier, Bordeaux

Ø ...

Nos Députés . FR