Abhijeet Chavan's blog

Abhijeet Chavan is co-founder and co-editor-in-chief of Planetizen.

PML: Planning Markup Language

The Environmental Rehearsal Studio at the University of Illinois at Urbana-Champaign (UIUC) has been working on developing a Planning Data Model and a Planning Markup Language (PML) based on the eXtensible Markup Language (XML) and the Geography Markup Language (GML) developed by the Open GIS Consortium.

PostGIS - Geographic Objects In PostgreSQL

Five years ago, in an article titled "GRASS Is Now Greener" [Linuxpower, Oct 1999] , I had written about the significance of the GRASS GIS being released under the GPL and the potential of combining the newly "open-sourced" GIS with the open source MySQL database. A reader had commented that the open source PostgreSQL database was more commonly used with GRASS.

Urban Metaphors For Data Visualization

VisitorVille is a website log analysis program that uses an graphical urban metaphor to visualize website traffic flow.
VisitorVille Screenshot
"A company's entire Web presence is seen as an urban or suburban neighborhood, with each individual Web page presented as a building. The more visitors on a site, the taller the buildings, and the brighter the lights on each floor...each visitor is represented by a small avatar that, when clicked, presents a passport that offers several pieces of information about the user, such as her or his IP address, where that person came from and more. Avatars from dot-com domains wear a suit. Those from dot-edu domains dress as students."

Measuring Effectiveness Of E-Government

The Grants.gov initiative is seen as a model e-government project but it has had
trouble attracting users according to an article in Government Computer News. The website enables citizens to apply for grants online.

Grants.gov Logo
"[The Office of Management and Budget] officials are working to define utilization -- how e-government projects are used after they’ve been fully implemented -- and plan how the projects will reach the marks they set. Project managers must decide who their customers are and how they’ll measure use of the service...

[Officials] have identified several obstacles to finding users: informing them about the portal, making it easy for them to use and getting other agencies to participate....

The Future Of GPS & Galileo

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This keynote speech [PDF, 28 kb] by David Last of the University of Wales, UK provides an overview of the U.S. Global Postioning System (GPS) and the European Galileo Positioning System

Information Environmentalism

An article in the Christian Science Monitor looks at the information environmentalism movement in an article titled "E-serenity, now!" [May 10, 2004].

keyboard

"The newest polluters are not chemical manufacturers leaking toxins into the air. Neither are they logging conglomerates clearing ancient forests nor avaricious developers turning wetlands into strip malls. The newest polluters are in your pocket, atop your desk, or clogging your telephone lines with streams of digital effluent."

Grist Magazine: Control-Alt-Recycle

Grist Magazine offers tips for environment-friendly computing.

U.S. consumers are being cheated out of the chance to buy the greenest possible computers, according to the Silicon Valley Toxics Coalition and other environmental groups that have joined forces on the Computer TakeBack Campaign.

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