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Building Real-time GIS Applications with Twitter<br />@Agup<br />@AL_Laframboise<br />

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Real-time Twitter data<br />Client-side applications<br />Server-side solutions<br />Challenges<br />Agenda<br />

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A new generation of real-time apps<br />

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Is Twitter real-time?<br />70+ million<br />Tweets/day<br />75+ million<br />users<br />19+ billion<br />Tweets/total<br />

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Client-side Twitter apps<br />

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Typical twitter client<br />

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Monitoring Haiti Live…<br />

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A look at real-time tweets<br />Haiti (Jan 12 – Jan 14)<br /> 943,000 unique tweets<br /> 150,000 included #haiti and #redcross<br />"words on the streets part of Hotel Montana Fell , exagone is cracked. houses in canapevert fell down #haiti #eq" -- From Twitter user fredodupoux in Haiti at 6:05 p.m. ET<br />"Just experienced a MAJOR earthquake here in Port au Prince - walls were falling down. - we are ALL fine - pray for those in the slums" -- From Twitter user troylivesay in Port-au-Prince, Haiti at 5:24 p.m. ET<br />

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A look at real-time tweets<br />Haiti (Jan 12 – Jan 14)<br /> 943,000 unique tweets<br /> 150,000 included #haiti and #redcross<br />"words on the streets part of Hotel Montana Fell , exagone is cracked. houses in canapevert fell down #haiti #eq" -- From Twitter user fredodupoux in Haiti at 6:05 p.m. ET<br />"Just experienced a MAJOR earthquake here in Port au Prince - walls were falling down. - we are ALL fine - pray for those in the slums" -- From Twitter user troylivesay in Port-au-Prince, Haiti at 5:24 p.m. ET<br />

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Crime + Twitter + Geoprocessing<br />

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Real-time Location-based Trends<br />

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ArcGIS Explorer Twitter add-in<br />http://tinyurl.com/agxtwitter<br />

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Challenges<br />

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Filtering the noise<br />

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Reliability<br />

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Authentication, Rate Limits, Whitelisting…<br />

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Geolocation<br />Geotagging Enabled?<br />Profile Location<br />Lat/Lon<br />Place ID<br />GPS<br />Radius??<br />

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7 days only!<br />

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Server-sideTwitter Integration<br />With ArcGIS Server<br />

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Architecture<br />Web<br />Client<br />Web <br />Geo Services<br />Basemap<br />ArcGIS Server<br />Twitter<br />Geodatabase<br />

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1) Twitter Search API<br />2) Geocode results<br />3) Store data in Geodatabase<br />4) GIS Analysis<br />5) Publish<br />How do we do this?<br />

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Benefits include…<br />ArcGIS Online<br />ArcGIS API for JavaScript<br />ArcGIS Mobile<br />ArcGIS API for Silverlight/WPF<br />ArcGIS Server<br />ArcGIS for iOS<br />ArcGIS API for Flex<br /> ArcGIS Explorer<br />

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Demo<br />

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Value in mapping real-time Twitter information<br />Geolocation is the key<br />GIS provides advanced analyses<br />Many clients<br />This is our future…<br />Summary<br />

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http://www.arcgis.com<br />http://tinyurl.com/socialmediamaps<br />http://help.arcgis.com/en/webapps/flexviewer/<br />http://tinyurl.com/geowebtweets(GeoWeb2010 Real-time Twitter Map)<br />http://tinyurl.com/agstwittersearch (TwitterSearch Flex Widget)<br />http://tinyurl.com/agxtwitter (ArcGIS Explorer Twitter add-in)<br />Resources<br />