News tagged with geographic information

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

Research finds new channels to trigger mobile malware

(Phys.org) —Researchers at the University of Alabama at Birmingham (UAB) have uncovered new hard-to-detect methods that criminals may use to trigger mobile device malware that could eventually lead to targeted ...

May 16, 2013
5 / 5 (6) 0 | with audio podcast

Why global contributions to Wikipedia are so unequal

The geography of knowledge has always been uneven. Some people and places have always been more visible and had more voices than others. But the internet seemed to promise something different: a greater diversity ...

Sep 08, 2014
4.6 / 5 (5) 2

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