Network World
Thursday, February 9, 2012
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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

PatrolNet uses Web technologies to detail fast-changing battle zones

The beta version of PatrolNet, created by Gestalt LLC, uses Firefox as the browser interface, a backend database to store information, and a wiki to organize and update text and images collected by foot patrols. The prototype was put together using GoogleMaps, Web services, and open source software in just about two-and-a-half weeks.

By John Cox

You never walk alone

A glance at this hybrid map, blending satellite imagery (here of Camden, N.J.) with location and street names, shows via GPS data the path of a combat patrol. The route starts at far left with a green balloon (the initial log-in to PatrolNet) and is shown by a greenish blue line marked by the “donut” symbols. Also plainly visible is the context of the patrol’s tactical situation, represented by various icons or text flags. The “red man” denotes a “high value individual” to be questioned or detained; the “traffic lights” represent check points. At right, the boxes break down different views of the underlying events, color-coded by importance.

Next slide >

hybrid map