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It's presentation of speaking in GIS International Seminar in Korea. You can refer to my full document in http://channy.creation.net/blog/data/channy/gis-seminar-2007.pdf

It's presentation of speaking in GIS International Seminar in Korea. You can refer to my full document in http://channy.creation.net/blog/data/channy/gis-seminar-2007.pdf

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The User-participated Geospatial Web as Open Platform The User-participated Geospatial Web as Open Platform Presentation Transcript

  • The User-participated Geospatial Web as Open Platform Seokchan (Channy) Yun channy@daumcorp.com Daum Communications Corp.
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  • Top Sites in Dot-com Bubble 4
  • Crash of Web Platform based on Software 5
  • Why They did Succeed? Vs. 6
  • Web 2.0 is the name of Conference. 7
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  • Platform JVM Web site Interface Java API Open API (XML) Software Java Application Data Participators Developer User, Small Biz. Key Factor API Lock-in Data Lock-in 9
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  • rd 3 Party 13
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  • So What is Where 2.0? 15
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  • Where 2.0 Conference • O’reilly Media • Every year / Over 800 participators • Sponsors MSN, AT&T, Outcast, Google, Yahoo, Akamai, sxip, AskJeeves, Fenwick&West, Laszlo, Morfik, SocialText, Newsgator • Main Theme Local Search and Advertising, Mobile, GeoIndex GeoTagged Life and DIY Data Platforms, Crowd Sourced Data and Realtime Data Open Source GeoStack Disaster Relief/Environment/NGOs: Sensorweb and Geotargeting • Technology Geo Support in Web Application Frameworks: Mapping APIs GeoBrowsers Protocols & Formats 17
  • Where 2.0? USGS, Landsat Base Map Google, Yahoo!, Microsoft ESRI, MapInfo SDK Softwares Web Maps APIs Topography, River, Layers Photo, Video, Tour Spots, Building Blog Outsourced digitizing Participators Web users vendors GML, WFS, WMS Standards GeoRSS, KML Government, local GIS 3rd Party Mashup developers vendors 18
  • Principals of 2.0 • How the Web Succeed? HTML Not Semantic Web (Machine-based Technology) • How the Geospatial Web? Google Maps Not ArcWeb (Proprietary-software Technology • How to make Geospatial Web to Web? Public Resources Easy Participation 19
  • Easy Participation of Alpha Users! 20
  • The Status of Where 2.0 • Data Visualization Google Earth, Yahoo Maps, MSN Virtual Earth, NASA World Wind • Social Data Social Location Mash-up • The Needs for Standards GML, KML, GeoRSS… • Movement of Desktop ESRI, GDAL, GLASS, UDIG • Location Sensing Plaze, Skyhook 21
  • Change: Conventional GIS Vendors • MapQuest The largest U.S based web map service provider OpenAPI Best service (2006) • ESRI The largest GIS vendors, Start-up to Web GIS. First sponsorship for Where 2.0 2006 • Skyline 3D Modeling Company. Patent issue with Google (Keyhole) • Autodesk Heading to Open Source (MapGuide Server) 22
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  • Map APIs : pros and cons Pros Cons Google Map First Ajax based brilliant looking map Only Javascript libray International base map (Europe, Japan) Detail world-wide aerial photos Largest developer based APIs Lots of hacks and mash-up Yahoo! Map First external geocoding capability U.S. and Canada only Very flexible and open API's Flyouts not quite as spiffy as Google Rate limiting by IP instead of appID GeoRSS support Flash/Flex version available AOL MapQuest Frist routing (driving directions) capability No smooth Ajax client (yet) Geocoding capability Slow functional changes Large users and big market share Weak documentations Microsft Virtual Well documented and sample sites Low Performance Earth Detail Building shape and 3D view 24
  • Google Map API Code <script type=quot;text/javascriptquot; src=quot;http://www.google.com/jsapi?key=ABCDEFGquot;></script> <script type=quot;text/javascriptquot;> google.load(quot;mapsquot;, quot;2.xquot;); // Call this function when the page has been loaded function initialize() { var map = new google.maps.Map2(document.getElementById(quot;mapquot;)); map.setCenter(new google.maps.LatLng(37.4419, -122.1419), 13); } google.setOnLoadCallback(initialize); </script> 25
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  • HousingMap.com Google Map Hack + Graglists 35
  • Mapping Mash-up? • Mashup Examples Chicagocrime http://www.chicagocrime.org World of Warcraft Map http://mapwow.com Themed Maps http://justin.everett-church.com/ymaps/radarMaps.html Flickr Maps http://www.sodascope.com/FlickrMapsExt MSNBC News Map http://poly9.viavirtualearth.com/Poly9/MSNBC 36
  • Google Maps + News Articles 37
  • Google Maps : My Map 38
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  • What’s Open Standards? • Open Standard Data distribution with RESTful applications Ex) Google Maps, Flickr, Del.icio.us, Amazon, Ebay et. al Data exchage with XML specifications Ex) RSS/Atom, Microformat, Attention.xml • Basic of Open Standards Common APIs to geospatial data Easy to treat geospatial data from users to developers Various resources and library 40
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  • What’s Open Source? • Success of Open Source Software Lightweight development framework for every developers Ex) LAMP (Linux+Apache+MySQL+PHP), Ruby on Rails, Python et. al Foundation for User-driven Innovation Ex) Firefox Extensions, RSS Aggregator, JSON et. al Various tools for developer-participation Ex) Wiki, Wordpress, Movable Type et.al • Basic of Open Source Software Voluntary developers participation Code-contribution by community 45
  • Open Source GIS • OSGeo.org Mapping Software and Map Data • NASA World Wind Open Source based 3D Geo Mapping S/W • Openstreetmap.org GPS based map data aggregation service. 46
  • 1. Web Mapping 47
  • 2. Desktop S/W and Geospatial Library 48
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  • OpenStreetMap.org 52
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  • Creating Geo Data 57
  • Publishing Geo Press 58
  • Platial 59
  • Flickr Machine Tags + Map 60
  • Aggregation/Search 61
  • Open GeoSearch 62
  • Consuming Free Earth 63
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  • User-participation : Finding House 65
  • User-participation : Responding Disaster 66
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  • Ex: Naver-Google Map Mashup http://map.creation.net 68
  • Give Easy GIS to Users! 69
  • Thanks for your attention: channy@creation.net http://www.creation.net