Post on 26-May-2015
Crossing Boundaries
Our Inadvertent Recreation of Real-World GeometryTyler Bell
22 September 2009
bell@yahoo-inc.com
Crossing Boundaries
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OpenStreetMap
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OSM Users August 2009
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Changing Business Landscape
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Traffic!
---- 6 ----Tyler Bell
“Results suggest that a 2-3% penetration of cell phones in the driver population is enough to provide accurate measurements of the velocity of the traffic flow."
Evaluation of Traffic Data Obtained via GPS-enabled Mobile Phones: the Mobile Century field experiment, UC Berkeley's Institute for Transportation Studies
Reconstructing Geometry
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Please Turn Off All Devices
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The World’s Attention is On…
David Crandall et al., Cornell University
David Crandall et al., Cornell University
The World’s Attention is On…
David Crandall et al., Cornell University
The World’s Attention is On…
David Crandall et al., Cornell University
The World’s Attention is On…
David Crandall et al., Cornell University
The World’s Attention is On…
David Crandall et al., Cornell University
Rome: Trevi Fountain
Flickr user atila_y
---- 15 ----Community Photo Collections Project, U. Washington GRAIL Lab
Flickr user atila_y
Rome: St Peter’s Dome
---- 16 ----Community Photo Collections Project, U. Washington GRAIL Lab
Flickr user valerio.l
Rome: Flavian Ampitheatre
Flickr user David Paul Ohmer
---- 17 ----Community Photo Collections Project, U. Washington GRAIL Lab
The Humble Tag
Flickr user Sarah Parrott
Yahoo! TagMaps Prototype
DayNight
---- 19 ----http://tagmaps.research.yahoo.com
Tag Reinforcement
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TAKE A PHOTO WITH AUTOMATIC GEOCODING AND UPLOAD IT
DESCRIBE THE PHOTO USING SUGGESTED TAGS AND USER ADDED TAGS
SEE TAGS THAT WILL BE ADDED TO THE PHOTO
Most Popular Places
---- 21 ----David Crandall et al., Cornell University
Flickr user loungelistener
Flickr user light collector
Think Place, Not Space
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Semantics Required
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Colloquial Names: Personal, Local
George C Payne Elementary School >> Payne Elementary
James Woods Regional High School >> James Woods High
University of Southern California >> USC
University of South Carolina >> USC
San Francisco Museum of Modern Art >> SFMOMA
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San Francisco Museum of Modern Art >> SFMOMA
Yerba Buena Center For The Arts >> Yerba Buena Center
San Jose Diridon Caltrain Station >> San Jose Caltrain
>> Diridon Caltrain
Norman Y. Mineta San Jose
International Airport >> SJC
Who Really Uses Official Names?
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