Use of Linked Open Data (LOD) for Educational Purposes

Irena KoškováOtakar Čerba

Dmitrij KožuchDainis KreilisRaitis Bērziņš

Object classes definition

Object properties definition

Individual entities in data sample

Motivation

Motivation

Looking at the data the definition of the Jizerariver could be like this:<owl:NamedIndividual rdf:about="http://www.sdi4apps.eu/GFO#Jizera">

...<flows_through rdf:resource="http://www.sdi4apps.eu/GFO#Turnov"/>...

</owl:NamedIndividual>

From this it becomes obvious that Jizera riverflows through Turnov city.

Usage in form of quizes

Through which countries flows Danube river?a)Bulgaria,Ukraine,Slovakia,Serbia,Romania,Germa

ny,Hungary,Croatia,Netherlandsb)Austria,Bulgaria,Ukraine,Slovakia,Serbia,Romania,

Bosnia,Germany,Hungary,Francec)Austria,Bulgaria,Ukraine,Slovakia,Serbia,Romania,

Moldova,Italy,Hungary,Netherlandsd)Austria,Bulgaria,Ukraine,Slovakia,Serbia,Romania,

Moldova,Germany,Hungary,Croatia

Usage in form of quizesThrough which countries flows Oder river?

a) Czechia, Germany, Poland

b) Austria, Germany, Italy

c) Croatia, Hungary, Moldova

d) Czechia, Poland, Lithuania

Usage in form of quizesTo which river Morava is tributary?

a) Labe

b) Oder

C) Danube

d) Thaya

Usage in form of quizesIn which country starts the river Thaya?

a) Austria

b) Germany

C) Poland

d) Italy

Usage in form of blind maps

Click on the spring of Jizera river?

Sparql queries

Sparql endpoint at Sdi4Apps:http://data.plan4all.eu/sparql?Sparql query:select ?o FROM <http://www.sdi4apps.eu/gfo.rdf>

WHERE {?o <http://www.sdi4apps.eu/GFO#contains_river> <http://www.sdi4apps.eu/GFO#Danube>}

Query in words: Select all objects from gfo.rdf data which contain river Danube?

Results

To Do

• Generating questions (automatically or with GUI that will be used by teachers)

• Generating right and wrong answers• GUI for the game