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

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

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

Sex offenders are on the move

Convicted sex offenders continue to move freely within communities, including in restricted areas, despite laws designed to limit their movements. A new study, by Alan Murray from Arizona State University and colleagues, ...

Jan 29, 2013
1.5 / 5 (2) 1