News tagged with geographic information systems

Speeding algorithms by shrinking data

In computer science, the buzzword of the day is "big data." The proliferation of cheap, Internet-connected sensors—such as the GPS receivers, accelerometers and cameras in smartphones—has meant an explosion ...

Nov 13, 2012
4.8 / 5 (6) 2 | with audio podcast

Mapping the Twitterverse

(Phys.org) —What does your Twitter profile reveal about you? More than you know, according to Chris Weidemann. The GIST master's student has developed an application that follows geospatial footprints.

Aug 28, 2013
5 / 5 (1) 0 | with audio podcast

Study examines use of GIS in policing

Police agencies are using Geographic Information Systems (GIS) for mapping crime, identifying crime "hot spots," assigning officers, and profiling offenders, but little research has been done about the effectiveness of the ...

Sep 16, 2014
2 / 5 (1) 0

Clickable history

(Phys.org) —Geographic information systems – once limited to the domain of physical geographers – are emerging as a promising tool to study the past, as researchers are discovering for medieval history.

May 10, 2013
5 / 5 (4) 0