What is Wikidata?

Figure 1

Wikidata_Main_Page
Screenshot of Wikidata Main Page

Figure 2

Datamodel in Wikidata

Underlying concepts of Wikidata

Figure 1

relational database

Figure 2

data structure diagram

Figure 3

RDF Tripe

Figure 4

Got to Wikidata and either search for “Mae Jemison” or enter the ID Q34091. In the picture below the statement “Mae C. Jemison - part of - NASA Astronaut Group 12” is an RDF triple. Wikidata_Main_Page
Screenshot of Wikidata Main Page

Introduction to editing

Figure 1

Front Page of the test instance

Figure 2

Empty create form of the test instance

Figure 3

Empty create form of the test instance

Figure 4

Freshly created Item of Mae Jemison

Figure 5

Wikidata Jemison

Advanced editing

Figure 1

Go to pubmed, scroll down to “latest literature” and select an article: latest_articles

Figure 2

choose_doi

Figure 3

paste_into_sourcemd

Figure 4

open quickstatements

Figure 5

run_editing

Introduction to querying

Figure 1

Example for the knowledge graph spanned by one Wikidata item % source: http://tinyurl.com/y267yz5q

Figure 2

Example for the knowledge graph spanned by one Wikidata item and more details about Feynman % click on that node in the above query

Figure 3

Wikidata Query Service results window

Figure 4

Extract from the SPARQL editor ### Exercises

Figure 5

Example of displaying cats in grid format

Figure 6

Extract from the SPARQL editor

Figure 7

Extract from the SPARQL editor

Figure 8

Extract from the SPARQL editor

Figure 9

Bubblechart of books weight by genre

Figure 10

Map of NFDI Consortia in Germany

Figure 11

Close up look

Figure 12

Number of participants in NFDI consortia visualized as bar chart

Figure 13

relationships between NFDI Consortia in Berlin, Germany

Advanced bulk updating, bots