Crossing Boundaries

Our Inadvertent Recreation of Real-World GeometryTyler Bell

22 September 2009

bell@yahoo-inc.com

Crossing Boundaries

---- 2 ----

OpenStreetMap

---- 3 ----

OSM Users August 2009

---- 4 ----

Changing Business Landscape

---- 5 ----

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

---- 7 ----

Please Turn Off All Devices

---- 8 ----

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

---- 20 ----

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

---- 23 ----

Semantics Required

---- 24 ----

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

---- 25 ----

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?

---- 26 ----Tyler Bell