linked open data: why linked does matter

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LinkedOpenData:why Linked does matter

Christian Morbidoni - <morbidoni@netseven.it>

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SeMedia groupUniversità Politecnica delle Marche

http://www.netseven.it

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Linked Open Data

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What is data

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What is data

- Data is information about things

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What is data

- Data is information about things

- Data is something machines can process

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What is data

- Data is information about things

- Data is something machines can process

- Data drives applications (e.g. web sites)

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What is data

- Data is information about things

- Data is something machines can process

- Data drives applications (e.g. web sites)

- Data is relations among things

giovedì 2 dicembre 2010

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An example:LinkedOpenCamera.it genesis

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Linked Open Data

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What does Open mean

Data

Data

Data

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What does Open mean

Data

Data

Data

giovedì 2 dicembre 2010

This work is licensed under a Creative Commons Attribution-NoDerivs 2.5 Italy

What does Open mean

Data

Data

Data

giovedì 2 dicembre 2010

This work is licensed under a Creative Commons Attribution-NoDerivs 2.5 Italy

What does Open mean

Data

Data

Data

giovedì 2 dicembre 2010

This work is licensed under a Creative Commons Attribution-NoDerivs 2.5 Italy

What does Open mean

Data

Data

Data

giovedì 2 dicembre 2010

This work is licensed under a Creative Commons Attribution-NoDerivs 2.5 Italy

What does Open mean

Data

Data

Data

giovedì 2 dicembre 2010

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What does Open mean

Data

Data

Data

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Linked Open Data

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data is less valuable when it’s isolated

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Linked Data ingredients

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Linked Data ingredients- Things have names (a person, a city, a company)

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Linked Data ingredients- Things have names (a person, a city, a company)

- Let this names start with http://

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Linked Data ingredients- Things have names (a person, a city, a company)

- Let this names start with http://

- ...then we can get more data about things using a standard protocol

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Linked Data ingredients- Things have names (a person, a city, a company)

- Let this names start with http://

- ...then we can get more data about things using a standard protocol

- ... others can directly point to things in my dataset (and vice-versa)

giovedì 2 dicembre 2010

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Linked Data ingredients- Things have names (a person, a city, a company)

- Let this names start with http://

- ...then we can get more data about things using a standard protocol

- ... others can directly point to things in my dataset (and vice-versa)

- Represent data (relations among things) as a labeled graph

giovedì 2 dicembre 2010

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Linked Data ingredients- Things have names (a person, a city, a company)

- Let this names start with http://

- ...then we can get more data about things using a standard protocol

- ... others can directly point to things in my dataset (and vice-versa)

- Represent data (relations among things) as a labeled graph

- .. do it by using a standard format (RDF)

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Web of Documents

For humans

For machines

Hyperlinks

X

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Web of Data

For humans

For machines

Hyperlinks

RDF Data RDF Data RDF Data RDF Data

Semantic Linkscitesagrees

cites

same as explains

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Institutions

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InstitutionsCompanies

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InstitutionsCompanies

Geo-spatialservices

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InstitutionsCompanies

Geo-spatialservices

Libraries

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InstitutionsCompanies

Geo-spatialservices

Libraries

Citizens

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InstitutionsCompanies

Geo-spatialservices

Libraries

Citizens

giovedì 2 dicembre 2010

This work is licensed under a Creative Commons Attribution-NoDerivs 2.5 Italy

InstitutionsCompanies

Geo-spatialservices

Libraries

Citizens

giovedì 2 dicembre 2010

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InstitutionsCompanies

Geo-spatialservices

Libraries

Citizens

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InstitutionsCompanies

Geo-spatialservices

Libraries

Citizens

- Semantic Web Applications:

- Access/browse a global interconnected DB

- Merge, mix data

- Perform powerful cross-domain queries

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Feb 2008

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Jun 2009

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Sept 2010

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....More than 15 billions triplesSept 2010

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our mission- To help institutions and companies to be part of

the LinkedData cloud

- Offering:

- Semantic Web open-source tools development and integration

- Consultancy in publishing LOD

- Services and infrastructures

- Web site: http://netseven.it

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http://linkedopencamera.it

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http://www.muruca.org

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Thank you.morbidoni@netseven.it

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