GIS Data

This category contains introductory text about GIS data such as types of error in GIS datasets, types of GIS data (raster and vector), and metadata. Find resources to finding GIS data and where to download data.

The Role Of Geographic Profiling In Serial Violent Crime Investigation

Thanks to films like silence of the lambs, many people associate criminal profiling with the methods and techniques developed by the FBI at the Behavioral Science Unit at Quantico.

There are, however, a number of other approaches that can be used in the course of a criminal investigation. The role of one of these other approaches, geographic profiling, will be outlined in the course of this article.

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Be Aware of Where

For the GIS Day podcast over on the USGS Corecast site, Steve Sobieszczyk reviewed some of the GIS data on offer from the United States Geological … Read more

Philly to go, an online repository of more than 43,000 historic photos covering the history of the city of Philadelphia has now gone mobile.  PhillyHistory Mobile is … Read more