20160309 open geodata_odz-perspective

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«Opportunities and threats of open geo data»The Open Data Zürich Perspective

Marco SieberStatistik Stadt Zürich

09. 03. 2016

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Who we are

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About us• The City of Zurich runs the Open Data initiative since 2012 • First administration in Switzerland with an Open Data Catalog• Statistik Stadt Zürich is in charge of it. Geomatik &

Vermessung is our geo data supplier.

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Team Open Data Zürich• Reto Wick & Marco Sieber, we

are:• Informing and consulting

interested divisional data owners

• Responsible for the OGD-Portal • Publishing new data• Maintaining metadata

• Communicating about Open Data on Twitter, Blog and Intranet.

• Cooperating with the Open Data «Community»

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Dataowner

Open Data Team

OGD

Zu öffnende Daten

(Quelle: Wulff & Morgentaler)

Internal role

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• 257 Datasets

• 125 Geodatasets

• Clear licenses

• Machine readable formats and web services (json, kml, shp, wms, wmts, wfs)

Data Catalog - CKAN

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Our open geodata

• Mostly POIs and Basemaps• But e.g. no cadastre data (buildings, streets, properties)

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Threats by open geodata?

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Threats of open geodata?• According to us:

– …– Not different than of other data types Main Concerns:

• Data protection (E.g. mashups or/and small scale)• Misuse, misinterpretation or publication of obsolete/wrong data• Administrative costs (data preparation, documentation, resources)• Transparency

• According to geo data providers– Legal Barrier: Data under federal or cantonal jurisdication

– Threat: Missing revenues from selling geo data

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Opportunities by open geodata?

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• We love geo data! There’s a huge potential– Technical Geodata-Infrastruture in most Govs– International OGC-Standards, Interoperability– Metadata! – Data catalogs– Skills and great tools exist (FOSSGIS, OSM, Dataviz-Libs, etc.)

For us: Most convenient publishing process Adjusting delivery agreement GeoServer Drop zone CKAN

High demand

Opportunities with open geodata

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• Reusability!– Expensively produced geo data, that’s fincanced by the public,

can be used not just by a few, it can be used by anyone for anything.

• Innovation– In Zürich more social than economic benefits so far

• More efficient and effective government services– Do Govs really have to create all Apps / Interfaces themselves?

• New knowledge from combined data sources

• Self-empowerment, Transparency & Participation

Opportunities with open geodata

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Exemple 1: In the media this week. About Gov-Apps

Opportunities with open geo data

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Opportunities with open geo data

Tagi-Badi-AppDatenblog, 2. July 2015

Idea: Tagi-Badi-AppSuccess: > 50’000 page impressions Costs for the City Administration: CHF 0.-Outlook: further enhancements for this season 2016

Exemple 1: The alternative

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Opportunities with open geo dataExemple 2: DDJ - «In den Strassen von Zürich»

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Exemple 3: Baumradar

Opportunities with open geo data

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Exemple 4: WHERE! GeoJSON-API

Opportunities with open geo data

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Our Open Data Applications (55)

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• We see by far much more opportunities than threats

• There’s a huge potential in open national geo data!

• The interesting question is: «What are the threats of CLOSED geo data»

Conclusion

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Thx 4 your attention

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www.stadt-zuerich.ch/opendata