www.sti-innsbruck.at 1 linked open innsbruck sti innsbruck

www.sti-innsbruck.at 1

Linked Open Innsbruck

STI Innsbruck


Linked Open Innsbruck (LOI) aims at the publication and usage of data sets related to Innsbruck and Tyrol as Linked Data.

Being a common good, this open data can then be used and combined in order to build complex applications. This will enable access, novel use,

and new business models.

Mission

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Evolution of the Web: The Origins

Hypertext

Hypermedia

Web

Web of Data

Semantic Web

Picture from [3]

?Picture from [4]

“As We May Think”, 1945

SemanticAnnotations


Motivation: From a Web of Documents to a Web of Data

• Web of Documents • Web of Data

“Documents”“Things”

Hyperlinks

Typed Links


LOD Cloud May 2007

Figure from [4]


LOD Cloud May 2007

Figure from [4]

Basics:The Linked Open Data cloud is an interconnected set of datasets all of which were published and interlinked following the Linked Data principles.

Facts:•Focal points:

•DBPedia: RDFized vesion of Wikipiedia; many ingoing and outgoing links•Music-related datasets

•Big datasets include FOAF, US Census data•Size approx. 1 billion triples, 250k links


LOD Cloud September 2008

Figure from [4]


LOD Cloud September 2008

Figure from [4]

Facts:•More than 35 datasets interlinked•Commercial players joined the cloud, e.g., BBC•Companies began to publish and host dataset, e.g. OpenLink, Talis, or Garlik.•Size approx. 2 billion triples, 3 million links


LOD Cloud March 2009

Figure from [4]


LOD Cloud March 2009

Figure from [4]

Facts:•Big part from Linking Open Drug cloud and the BIO2RDF project (bottom)•Notable new datasets: Freebase, OpenCalais, ACM/IEEE•Size > 10 billion triples


Governmental Linked Open Data

Governmental Linked Open Data=

Open Government+

Linked Data

• Open Government 1. increase citizen involvement2. encourage the creation of new knowledge, services, social innovation

and innovative business models• Linked Data (technology enabler)

1. public data is not enough, must have integration, in order to facilitate the reuse

2. a single figure alone is of little value, its value increases because of its interconnections


News @ ORF.at March 10, 2011

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News @ ORF.at March 10, 2011

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Example 1

Research Funding Explorer– View information on investments

in research and resultsDeveloped by Talis

– bis.clients.talis.com


Example 2

UK Dentists– View information about the

dentists on the iPhone– Developed by an SME– elbatrop.com/ukdentists


Tyrol: data sets

• Google Places • Open Streetmap • Databases of government

– TIRIS– DVT

• Tourism & Ticketing association • IVB (busses and trams) • OEBB (trains) • Ärztekammer• Supermarket chains: listing of

products • Hofer and similar: weekly offers • ASFINAG: Traffic/Congestion data • Herold (yellow pages)

• City archive • Museums/Zoo • News sources like TT (Tyrol's

major daily newspaper) • Statistik Austria • Innsbruck Airport (travel times,

airline schedules) • ZAMG (Weather) • University of Innsbruck (Curricula,

student statistics, study possibilities)

• IKB (electricity, water consumption)

• Entertainment facilities (Stadtcafe, Cinema...)

• Special offers (Groupon)


Tyrolean scenario: product and service search

• Location-based product and service search • Tourists who don't the city very well • Input: shopping lists, required products or services• Output: recommendation of shops depending on various constraints

(opening hours, etc.) • Possible data sets:

– Shops and product lists and opening hours – Public transport – Season (winter or summer) – Time of day – Weather – Traffic information – Restaurants + menus– Various governmental data – Special offers


Tyrolean scenario: Linked e-Tourism

• Find recommendations for activities (outdoors, culture, entertainment, sightseeing, etc.)

• The user can get– Price information– Information about public transport– Reviews and ratings– Weather information etc.

• Possible data sets– Tourism association– Hotels and restaurants– Museum – Public transport– Weather– Traffic– Reviews from TripAdvisor– Google places– ...

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References

• Tom Heath and Christian Bizer (2011) Linked Data: Evolving the Web into a Global Data Space (1st edition). Synthesis Lectures on the Semantic Web: Theory and Technology, 1:1, 1-136. Morgan & Claypool.

• www.linkeddata.org