Linked Open Geodata Meetup Graz, Sept 6 2011 Introduction A. Langegger Linked Open Geodata Meetup Graz, 2011 - CC-BY
People need to know where they are & where to go http://news.bbc.co.uk/2/hi/871930.stm, http://www.phil.uni-passau.de/hist...
We successfully explored and mapped our world 1507 World Map by Martin Waldseemüller including America Images: http://webl...
http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html etc. Projections with different properties have been develop...
According to http://en.wikipedia.org/wiki/Web_mapping#History_of_web_mapping WWW 1989/90 1993 1994 1995 1996 1997 1998 199...
Open  Geodata <ul><li>Open systems enable collaboration and engagement </li></ul><ul><ul><li>Croud sourcing </li></ul></ul...
A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY Potlatch browser plugin JOSM Java standalone editor http://www...
OSM components A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY http://wiki.openstreetmap.org/wiki/Develop
A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY <ul><li>Many donations of geodata: </li></ul><ul><li>TIGER (US...
A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY <ul><li>- started 100% user generated </li></ul><ul><li>map ba...
A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY http://data.wien.gv.at WMS & WFS also provided First Apps alre...
Vienna tree register now online All parkway trees are indexed as part of Vienna‘s tree register The register is now public...
San Francisco‘s Urban Forest Map project A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY http://www.urbanfores...
Linked  Open Geodata <ul><li>Map features </li></ul><ul><ul><li>Geometric (points, polygons, relations, tags, etc.) </li><...
Linked Open Geodata could support OGD <ul><li>Most government datasets have geo references </li></ul><ul><ul><li>POIs (e.g...
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Linked Open Geodata Keynote by Andreas Langegger

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Linked Open Geodata Meetup - Introduction by Andreas Langegger - Graz, Sep 6 2011

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  • - Cave painting: 16,500 Before Common Era, prehistoric map of the night sky, caves at Lascaux, France Petrogliph from Borno in Valcamonica, Italy, Neolithic and Bronze age (ca. 6000 - 700 BCE.) plan of Nippur, Iraq today Ptolemy: Geographia, one of three philosophical books; sphere, world as center of the universe =&gt; index of place-names with coordinates in latitude (same as today, +/- 90° N/S, and longitude (throw Canary islands); N at the top, E right; legends...
  • In 14th century Ptolemy‘s work was brought to Europe, translated into Latin Gutenberg invented movable types in ~1445, more and more printed maps Woodcut printed maps where used in China - Age of Exploration
  • Linked Open Geodata Keynote by Andreas Langegger

    1. 1. Linked Open Geodata Meetup Graz, Sept 6 2011 Introduction A. Langegger Linked Open Geodata Meetup Graz, 2011 - CC-BY
    2. 2. People need to know where they are & where to go http://news.bbc.co.uk/2/hi/871930.stm, http://www.phil.uni-passau.de/histhw/tutcarto/english/index-frames-en.html E. Livieratos et al: Ptolemy’s Geographia . In digits, e-Perimetron, Vol. 3, No. 1, 2008 [22-39]. 16,500 BCE, caves at Lascaux, France Neolithic /Bronze age (6000–700 BCE), Borno, Italy 1,500 BCE, plan of Nippur, Mesopotamia A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY Ptolemy‘s (90-168 CE) Geographia – world map
    3. 3. We successfully explored and mapped our world 1507 World Map by Martin Waldseemüller including America Images: http://weblab.uni-lueneburg.de/kulturinformatik/projekte/ebskart/content/start.html http://en.wikipedia.org/wiki/Waldseemüller_map http://en.wikipedia.org/wiki/Mercator_projection World map by Gerardus Mercator (1569) Mercator projection Ebstorf Mappa Mundi (world map) ~1234 CE Found in Benedictine monastery, Ebstorf, Germany A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY
    4. 4. http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html etc. Projections with different properties have been developed over time... A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY
    5. 5. According to http://en.wikipedia.org/wiki/Web_mapping#History_of_web_mapping WWW 1989/90 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Xerox PARC Map Viewer National Atlas of Canada online MapGuide (Argus, then Autodesk) Mapquest (USA) Mapnet (NO) – real estate listings MultiMap (UK) US Online National Atlas Initiative UMN MapServer (NASA ForNet) Terraserver USA (aerial images) coop. between USGS, MS, HP MapObjects (ESRI) address matching + routing service ArcIMS public release by ESRI ESRI Geography Network UMN MapServer Open Source Tirolatlas (AT) – interactive/SVG NASA World Wind virtual 3D globe, loads distributed data OpenStreetMap by Steve Coast Google Maps/Earth – incl. API Yahoo Maps (incl. traffic inform.) Nokia Ovi Maps MS adds realtime traffic map Google adds neighborhood search capabilities Google API with gecoding support MetaCarta (MIT Spin-off, finds geo-references in documents) CloudMade (UK) by Steve Coast Web GIS timeline WMS Standard (OGC) GPS-integrated mobile devices Annual shipments in M units, global forecasts 2007-2012 Source: 2008 Parks Associates A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY GPS integrated mobile devices
    6. 6. Open Geodata <ul><li>Open systems enable collaboration and engagement </li></ul><ul><ul><li>Croud sourcing </li></ul></ul><ul><ul><li>Enable hidden experts, professional amateurs </li></ul></ul><ul><ul><li>Open APIs to support mashups & third-party apps </li></ul></ul><ul><ul><li>Cuts down overall costs </li></ul></ul><ul><ul><li>Helps to found new, innovative businesses </li></ul></ul><ul><li>Incentives </li></ul><ul><ul><li>Private companies: impact, reach, innovation, croud sourcing </li></ul></ul><ul><ul><li>Government: efficiency, economic stimulus, open society </li></ul></ul>
    7. 7. A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY Potlatch browser plugin JOSM Java standalone editor http://www.openstreetmap.org
    8. 8. OSM components A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY http://wiki.openstreetmap.org/wiki/Develop
    9. 9. A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY <ul><li>Many donations of geodata: </li></ul><ul><li>TIGER (US) </li></ul><ul><li>plan.at (AT) </li></ul><ul><li>AND data (NL, China, India) </li></ul><ul><li>many regional/state governments (Germany, Italy, France, CH, ...) </li></ul><ul><li>... </li></ul>Bing launched a small game To help connect house numbers to streets which they will donate back to OSM http://open.mapquest.com http://frontdoor.cloudapp.net/
    10. 10. A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY <ul><li>- started 100% user generated </li></ul><ul><li>map based on GPS traces + edits </li></ul><ul><li>croud-sourced traffic conditions </li></ul>http://gadgetsteria.com/2010/02/17/waze-for-iphone-updated-personalized-alternative-routes-scoreboards-now-live/ http://www.gpslodge.com/archives/035258.php
    11. 11. A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY http://data.wien.gv.at WMS & WFS also provided First Apps already available
    12. 12. Vienna tree register now online All parkway trees are indexed as part of Vienna‘s tree register The register is now publicly available: http://www.wien.gv.at/ umwelt-klimaschutz/ baum-kataster.html A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY
    13. 13. San Francisco‘s Urban Forest Map project A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY http://www.urbanforestmap.org/
    14. 14. Linked Open Geodata <ul><li>Map features </li></ul><ul><ul><li>Geometric (points, polygons, relations, tags, etc.) </li></ul></ul><ul><ul><li>Abstract features (street, building, bus stop, elevator...) </li></ul></ul><ul><ul><li>Most abstract features are described somewhere else e.g. Wikipedia, CIA world fact book, open gov data, ... </li></ul></ul><ul><ul><li>Need to link to geo features from other entities on the web </li></ul></ul><ul><li>Maps </li></ul><ul><ul><li>Map should be able to integrate LOD from other sources (layer) </li></ul></ul><ul><ul><li>Static (more or less) vs. real-time information such as traffic, weather, statistics, etc. </li></ul></ul><ul><ul><ul><ul><li>How to cope with this? </li></ul></ul></ul></ul><ul><ul><li>Open vocabularies and APIs needed </li></ul></ul>A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY
    15. 15. Linked Open Geodata could support OGD <ul><li>Most government datasets have geo references </li></ul><ul><ul><li>POIs (e.g. administrative and public buildings) </li></ul></ul><ul><ul><li>Statistical datasets </li></ul></ul><ul><ul><li>Financial datasets </li></ul></ul><ul><ul><li>Events </li></ul></ul><ul><li>Linked Open Data could facilitate </li></ul><ul><ul><li>Showing any geo-referenced data on a map </li></ul></ul><ul><ul><ul><li>POIs, boundaries, labels... </li></ul></ul></ul><ul><ul><ul><li>+ Styling (e.g. MapCSS) </li></ul></ul></ul><ul><ul><ul><li>+ Events (API) </li></ul></ul></ul><ul><ul><li>Integration of linked data from other sources </li></ul></ul><ul><ul><li>Facilitate analysis by queries (SPARQL + Addons) </li></ul></ul><ul><ul><li>Rendering maps for statistics, financial data, ... </li></ul></ul>A. Langegger, Linked Open Geodata Meetup Graz, 2011 - CC-BY „ Geo-referenced“: not only lat/lon, also named entities

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