www.sti-innsbruck.at 1 linked open innsbruck sti innsbruck
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www.sti-innsbruck.at 1
Linked Open Innsbruck
STI Innsbruck
www.sti-innsbruck.at 2
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
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Motivation: From a Web of Documents to a Web of Data
• Web of Documents • Web of Data
“Documents”“Things”
Hyperlinks
Typed Links
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LOD Cloud May 2007
Figure from [4]
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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
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LOD Cloud September 2008
Figure from [4]
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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
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LOD Cloud March 2009
Figure from [4]
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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
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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
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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
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Example 2
UK Dentists– View information about the
dentists on the iPhone– Developed by an SME– elbatrop.com/ukdentists
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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)
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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
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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
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