OpenStreetMapOpenStreetMapA free/libre map for our worldA free/libre map for our world

Simone CortesiSimone Cortesi

We make maps...

We collect geographical data...

...in a collaborative way

(wiki style)

Wiki style?

As small as possible edits, the smaller, the better: ideally one single point

Creative Commons

CC-BY-SA

Attribution-Share Alike

CC-BY-SA

CityMaps

Copenhagen

Amsterdam

Madrid

New York City

Sydney

Pretoria

Kinshasa

San Francisco

Toronto

Lisbon

Why OSM?

•Geodata isn’t

•Free

•Open

•Current

What is this OpenStreetMap all about?

•It is a project whose goal is to build a free map of the entire World in a collaborative way.

•It is a never-attempted-before-experiment, the closest one being Wikipedia

•A crazy enough idea...

OpenStreetMap history• 9th August, 2004 - openstreetmap.org registered

• 5th-7th May, 2006 – Isle Of Wight workshop, the first concentrated effort to map an area

• 4th December 2006 - Yahoo! aerial imagery retracing allowed

• September 2007 - TIGER data import for the US started

• 18th November, 2007 - 150 million GPS points and 100 million nodes

• 8th January 2008 - 20 million ways

• 13th January 2008 - 200 million nodes

• 5th January 2010 - 200,000 registered users

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OpenStreetMap250.000 users15.000 active / month20.000 KM GPX/day1.4 Billion GPS points150GB of data rawabout 2TB if in SHP format

Different visualizations

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Renderingopenpistemap.org

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Renderingopencyclemap.org

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Orienteering - Renderingoobrien.com/oom/

Evolution images

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MilanoMilano

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Milan – July 2007

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Milano – November 2008

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Milano – April 2010

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Milano – construction works

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Poli

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Poli

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GermanyGermany

Germany 2006Germany 2006

Germany 2007Germany 2007

Germany 2008Germany 2008

Hamburg, Germany 2010Hamburg, Germany 2010

Commercial needs?

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Baghdad

Berlin

Making OSM

•Fun

•Takes 5 minutes

•Easy

(Yochai Benkler)

Commons-based Peer Production:

Coase’s Penguin

Coase’s Penguin

•Non-monetary motivation

•Discrete multi-size pieces

•Low-cost integration

(Yochai Benkler)

Commons-based Peer Production:

CC CC :Flickr:pmtorrone:Flickr:pmtorrone

CC CC :Flickr:dharmasphere:Flickr:dharmasphere

CC CC :Flickr:williamhook:Flickr:williamhook

RenderObserve UploadMap

Outputs

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Garmin

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Garmin

Data Model

Data Model

Data Model

Data Model

Special Projects

Gaza

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Gaza, West Bank

Haiti

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Haiti

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Haiti

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Haiti

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Haiti

Kibera

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Kibera – Nairobi, Kenya

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Kibera - Google

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Kibera - OSM

Walking Papers

WalkingPapers

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Share

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Maps: CC-BY-SA OpenStreetMap and contributors.

Foto: 2396454381@flickr, 3509827185@flickr

[email protected]

Grazie!