Slides of Sören's LDOW2015 Position Talk and Discussion

1. © Fraunhofer-Allianz Big Data 1
The three Big Data „V“ – Variety is often neglected
Quelle: Gesellschaft für Informatik
Dr. Dirk Hecker

2. © Fraunhofer-Allianz Big Data 2
The Semantic Web Layer Cake 2015 –
“A Little Semantics Goes a Long Way”
Unicode URIs
XML JSON CSV RDB HTML
RDF
RDF/XML JSON-LD CSV2RDF R2RML RDFa
RDF Data Shapes RDF-Schema
Vocabularies
OntologiesSKOS Thesauri
LogicSWRL Regeln
SPARQL
(Accesscontrol),Signatur,
Encryption(HTTPS/CERT/DANE),
• Lingua Franca of Data
integration with many
technology interfaces (XML,
HTML, JSON, CSV, RDB,…)
• Focus on lightweight
vocabularies, rules,
thesauri etc.

3. © Fraunhofer-Institut für Intelligente
Analyse- und Informationssysteme IAIS
Golf7_Infotainment
Data Value Chains using Linked Data
Golf 7
Zulieferer
70.000
5kg
SMARTi_LU
90g
5T
hasComponent
75.000
500.000
Aggregation of
Em m issions in the Value
Chain
Propagation of sales
prognoses in the value
chain
Map data, parking,
gas stations,
Points-of-Interest
…
Open Linked Data

4. © Fraunhofer-Institut für Intelligente
Analyse- und Informationssysteme IAIS
Linked Data as bridge between Shop & Office Floor

5. © Fraunhofer-Institut für Intelligente
Analyse- und Informationssysteme IAIS
I40 Example –
Semantic Description of Sensor Data
myd:m123245 rdf:type i40:SensorMeasurement .
myd:m123245 rdf:hasValue “40”^^i40:DegreeCelsius .
myd:m123245 i40:hasMeasureTime “2015-03-24T12:38:54:12Z”^^xsd:DateTime .
myd:m123245 i40:fromSensor myd:Sensor123 .
...
# ^ subject ^ predicate ^ object

6. © Fraunhofer-Institut für Intelligente
Analyse- und Informationssysteme IAIS
Adding a Linked Data Layer to the Internet Architecture
Linked Data
Layer can
possibly be
also
integrated in
lower levels
of the
Internet
Architecture

8. Discussion
• Many potential stakeholders haven’t yet heard of
Linked Data
• Get out of our comfort zone –
• engage with other communities – cyberphysical systems,
IoT, …
• Exploit the interplay of Linked Open and Linked
Closed Data