the story behind maphub

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”

http://maphub.github.io

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

"bernhard.haslhofer@cornell.edu"

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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