Bernhard Haslhofer (University of Vienna)OKCon - Open Knowledge Conference 2013, Geneva
The Story behind Maphub
People love maps...
Source: David Rumsey Historical Map Collection
Source: David Rumsey Historical Map Collection
How can we enable people to participate and engage?
Source: David Rumsey Historical Map Collection
Plan of Geneva in 1841. The colossal star fortifications, among the most important in Europe, were demolished in 1850.
Annotations!
Which map collection?
“[...] These images [...] are restricted to items that are not
covered by copyright protection”
Semantic Tagging in Maphub
There is a DBpedia/Wikipedia URI behind each visual tag
http://dbpedia.org/resource/Mediterranean_sea
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http://maphubdev.mminf.univie.ac.at/
annotations/1
oa:Annotation
rdf:type
oa:hasTarget
uuid:1235oa:annotator
http://maphubdev.mminf.univie.ac.at
oa:generator
"behas"
foaf:name
foaf:mbox"2012-07-18T02:
01:07Z"
oa:generated
"2012-07-18T02:01:07Z"
oa:annotated
uuid:4567
http://samos.mminf.univie.ac.
at/maps/raw/g3200.ct000725C.jp2
oa:SpecificResource
rdf:type
oa:hasSource uuid:2752
oa:hasSelector
ct:ContentAsTextrdf:type
image/svg
dcterms:format
dcterms:StillImage
rdf:type
image/jp2
dc:format
oa:hasBody
uuid:2751
cnt:ContentAsText
rdf:type
"text/plain"
dc:format
In antiquity, the Strait of Gibraltar (which connects the Atlantic Ocean with the Mediterranean Sea) was also known by the name \"The Pillars of Hercules\". This is the reason for this inscription!
cnt:chars
dbpedia: Strait_of_Gibraltar
oax:hasSemanticTag
dbpedia: Pillars_of_Hercules
oax:hasSemanticTag
<svg…..>ct:chars
uuid:2753
oa:hasSelector
ct:ContentAsText
rdf:type
application/wkt
dcterms:format
POLYGON((5315 5639,5444….)
ct:chars
Source: Nationaalarchief / Flickr: http://www.flickr.com/photos/nationaalarchief/4900465601
What are the effects of semantic tagging?
Summary
Thanks !@bhaslhofer
http://slideshare.net/bhaslhofer
http://bernhardhaslhofer.info
http://maphub.github.io
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