Free Webinar: LOD2 Stack - 1st release

LOD2 Webinar . 29.11.2011 . Page 1 http://lod2.eu

Creating Knowledge out of Interlinked Data



http://lod2.eu

LOD2 is a large-scale integrating project co-funded by the EuropeanCommission within the FP7 Information and Communication TechnologiesWork Programme. This 4-year project comprises leading Linked OpenData technology researchers, companies, and service providers. Comingfrom across 12 countries the partners are coordinated by the AgileKnowledge Engineering and Semantic Web Research Group at theUniversity of Leipzig, Germany.

LOD2 will integrate and syndicate Linked Data with existing large-scaleapplications. The project shows the benefits in the scenarios of Media andPublishing, Corporate Data intranets and eGovernment.



http://lod2.eu

Once per month the LOD2 webinar series offer a free webinarabout tools and services along the Linked Open Data Life Cycle.

Stay with us and learn more about acquisition, editing,composing, connected applications – and finally publishing LinkedOpen Data.



Address

University of LeipzigFaculty of Mathematics and Computer ScienceInstitute of Computer ScienceDepartment of Business Information Systems

Postfach 10092004009 LeipzigGermany

Coordinator

Thanks for your attention! http://lod2.eu

ContactA strong partnership



http://lod2.eu

LOD2 stack anno 2011An introduction by Bert Van Nuffelen, TenForce



• The LOD2 stack concepts• Demonstration

– WP7 use case– Digital Agenda use case

• Summary• Q&A

Contents



• LOD2 project goal:– improved tool support for publishing Linked Data.– Easily accessible for the wide public

• Core enabler: the LOD2 stack

Situating the component stack in the LOD2 project



The Linked Open Data Life Cycle

Inter-linking/Fusing

Classifi-cation/

Enrichment

QualityAnalysis

Evolution /Repair

Search/Browsing/

Exploration

Extraction

Storage/Querying

Manualrevision/

authoring



LOD2 stack anno 2011: easing deployment of components

LOD2 stack v1 = Debian repository

LOD2 stack v2 =More components + more inter component

integration

2010 Sindice Silk Virtuoso PoolParty

D2R Sigma.EE Dbpedia CKAN OntoWiki ORE

2011

2012



• Ubuntu 10.10 or more recent,• or a Linux distribution which supports Debian packages• the software in the stack is open-source

– although individual licenses differ– Some components are also available as commercial product– The source itself is not (yet) distributed through the LOD2 stack repository.

Installing the LOD2 stack – system requirements



Setup of LOD components is now a matter of following the next few steps

# the installation of the LOD2 repository package. wget http://stack.lod2.eu/lod2repository_current_all.deb sudo dpkg –i lod2repository_current_all.deb sudo apt-get update

# get some third party software sudo add-apt-repository ‘deb http://archive.canonical.com/ lucid partner’

sudo apt-get update

# install all LOD components sudo apt-get install lod2demo

Installing the LOD2 stack – software installation



• Covers most of the LOD publishing cycle• Combination of

– locally installed software,– online available software, and– online available data sources

– about page in the LOD demonstrator (http://demo.lod2.eu/lod2demo)

• Next: small demonstrations– simplified examples– Aim at demonstrating capabilities of the LOD2 stack– Detailed discussions on tools see next webinars

Disclaimer. No harmonized user interface.

Linked Data publishing capabilities currently offered



USE CASE 1 – WP7 WKD



WP7 – Media and Publishing usecase

WKG Tax & Accounting Companies/Brands- Akademische Arbeits-

gemeinschaft Verlag- Addison Group- Schleupen Tax- Wago Curadata

- Products (Examples)- Tax SW for Consumers- SW for Tax Accountants- SW for SMEs with focus

Controlling and Accounting

WKG Legal & Regulatory Companies/Brands- Carl Heymanns Verlag- Luchterhand- Werner Verlag- Carl Link- CW Haarfeld- Deutscher

Wirtschaftsdienst- AnNoText- Trigon Data

Products (Examples)- IP, Administrative Law- Civil, Family, Labor Law- Construction Law- Publications for Schools/KiTas- Public Health Insurance- Magazin „Personalwirtschaft“ (HR

Management)- SW for Lawyers and Notaries

WKG is part of Wolters Kluwer n.v .

- Worldwide reach- Europe- North America- Asia/Pacific

Economic success- Revenue 2010: EUR 3,6 bln- 19.000 Employees- Listed Amsterdam SE

- Customerorientation

- Lawyers- Tax Accountants- Corporations and SMEs- Fincancial institutions- Health Providers- Public Sector

• Wolters Kluwer Deutschland (WKD) contributed large dataset (XML)

• Work package goal: evaluating the LOD2 stack for publishing legal data– Extracted meta data statements– created controlled vocabularies



WP7 DEMO 1 – extracting meta data from structured data

RDFstore

VirtuosoXML documents

representinge.g. journalsabout legal

content,comments

about laws, etc.

XSLT

Extract and upload



WP7 DEMO 2 – Associating concepts to unstructured data

RDFstore

Virtuoso

RDFStore

PoolParty

Plain text Extract and upload



The demos support a real world scenario

lawyerpersonal

textTaxonomy based annotation

Tagged

lawyertext

WKDAnnotated

content

Associated WKD

documents



DEMODEMO



USE CASE 2 – DIGITAL AGENDASCOREBOARD

Publishing statistical data



• LOD2 has been contacted in context of Publink by EC (DG INFSO) in 2010.• LOD2 supported the creation of the digital scoreboard where the DG INFSO

data is published as RDF using the DataCube vocabulary (2011).• The limited effort resulted in a graphical visualization of the statistical data &

machine readable public data.

The Digital Agenda Scoreboard



• The scoreboard data does not link to external data• As the observations are about countries it would be nice to see the

evaluation of an indicator in the scoreboard w.r.t. to evolution in averageincome.

• % households with access to the internet at home (DAA scoreboard)• Mean and median income by household type (Eurostat)

The demo case



Available RDF data



Available RDF data

Observ ation Country Year Unit Measure householdswith access to theInternet at home

http://data.lod2.eu/scoreboard/items/h_iacc/HH_TOTAL/hh/Netherlands/2005

Netherlands 2005 % lines 0,7825984925

DG INFSO Scoreboard.rdf



Observ ation Country Year Unit Measure householdswith access to theInternet at home

http://data.lod2.eu/scoreboard/items/h_iacc/HH_TOTAL/hh/Netherlands/2005


Available RDF data

Observ ation Country Year Measure Av erage netincome - total

http://eurostat.linked-statistics.org/data/ilc_di04#A,TOTAL,MED_E,EUR,NL,2005

http://eurostat.l inked-statistics.org/dic/geo#NL

http://eurostat.l inked-statistics.org/dic/time#2005

17002.3

Eurostat source ilc_di04

DG INFSO Scoreboard.rdf



Country Year Observ ationDG INFSO

Measure %Households withinternet at home

Observ ationEurostat

MeasureAv erage netincome - total

Netherlands 2005 http://data.lod2.eu/scoreboard/items/h_iacc/HH_TOTAL/hh/Netherlands/2005

0,7825984925 http://eurostat.linked-statistics.org/data/demo_gind#A,AVG,NL,2004

17002.3

Target table



Observ ation Country Year Measure Av erage netincome - total

http://eurostat.linked-statistics.org/data/ilc_di04#A,TOTAL,MED_E,EUR,NL,2005

http://eurostat.l inked-statistics.org/dic/geo#NL

http://eurostat.l inked-statistics.org/dic/time#2005

17002.3

Observ ation Country Year Unit Measure DSL linesshare in fixedbroadbandhttp://data.lod2.eu/scoreboard/item

s/bb_dsl/TOTAL_FBB/lines/Netherlands/2004


Demonstration

DG INFSOScoreboard

EuroStat(Latc)



Local LOD2 Stack

EuroStat(Latc)

Demonstration

DG INFSOScoreboard

Links(countries,

years)via SILK

QUERYselect distinct ?countryname ?year ?obDG ?obDGval ?obEURO ?obEUROval

where {

?obDG rdf:type <http://purl.org/linked-data/cube#Observation>.?obDG <http://data.lod2.eu/scoreboard/properties/h_iacc_HH_TOTAL_hh>

?obDGval.?obDG <http://data.lod2.eu/scoreboard/properties/country> ?countryname.

?obDG <http://data.lod2.eu/scoreboard/properties/year> ?year.?obDG <http://www.w3.org/2004/02/skos/core#relatesTO> ?country.

?obDG <http://www.w3.org/2004/02/skos/core#relatesTO> ?time.?obEURO rdf:type <http://purl.org/linked-data/cube#Observation>.

?obEURO <http://ontologycentral.com/2009/01/eurostat/ns#indic_il><http://eurostat.linked-statistics.org/dic/indic_il#MED_E>.

?obEURO <http://ontologycentral.com/2009/01/eurostat/ns#hhtyp><http://eurostat.linked-statistics.org/dic/hhtyp#TOTAL>.

?obEURO <http://purl.org/linked-data/sdmx/2009/measure#obsValue>?obEUROval.

?obEURO <http://ontologycentral.com/2009/01/eurostat/ns#geo> ?country.?obEURO <http://ontologycentral.com/2009/01/eurostat/ns#time> ?time.

} limit 100



DEMODEMO



SUMMARY



• More tools are available for exploration– E.g. Sigma.EE, Sindice, CKAN, ORE, etc.

• Contribute your own component– Check out our HowToContribute document– Basically: create a Debian package of your application and upload it in our repository.

• More information– stack.lod2.eu

• You find there also references to supporting documents such as HowToStart andHowToContribute

• Online exploration can be done at demo.lod2.eu– [email protected] for technical questions– [email protected] general questions on LOD2 and linked data publishing.

Summary



Q&AQ&A



happy LOD publishing experienceLOD2 whishes you a



Credits

Jingle R.E.M., Martin Kaltenböck, Florian KondertCoordination Thomas Thurner

Martin KaltenböckModeration Lambda VerdoncktPresented by Bert Van Nuffelen



http://lod2.eu

Hope you enjoyed staying with us – if you need more detailedinformation, visit us at www.lod2.eu and let us know how we canimprove to meet your expectations!

Don’t forget to register for our next webinar

20.12. 2011 - Virtuoso (Open Link Software) 24.01. 2012 - OntoWiki (University of Leipzig, Germany)

Have a great day and don’t forget ...



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Free Webinar: LOD2 Stack - 1st release