271419
submission
bluce writes:
A teenager has been arrested on suspicion of having posted a video of himself on YouTube driving at speeds of more than 140 mph, police said Thursday.
Sergeant Scott McLachlan, from the Roads Policing Unit at Dumfries and Galloway police, described it as "completely foolish behavior."
"Not only did he endanger his own life, but that of other road-users. It is unacceptable, and to post a recording of such driving on the Internet is entirely stupid."
271407
submission
paleshadows writes:
Researchers at UCSC developed a tool that measures the trustworthiness of each wikipedia page. Roughly speaking, the algorithm analyzes the entire 7-year user-editing-history and utilzes the longevity of the content to learn which contributors are the most reliable: If your contribution lasts, you gain "reputation", whereas if it's edited out, your reputation falls. The trustworthiness of a newly inserted text is a function of the reputation of all its authors, a heuristic that turned out to be successful in identifying poor content. The interested reader can take a look at this demo (random page with white/orange background marking trusted/untrusted text, respectively; note "random page" link at the left for more demo pages), this
presentation (pdf), and this paper (pdf).