Archive for trolls

crowdsourcing, data science & machine learning to measure violence & abuse against women on twitter

Posted in Books, Statistics, University life with tags , , , , , , , , , on January 3, 2019 by xi'an

Amnesty International just released on December 18 a study on abuse and harassment on twitter account of female politicians and journalists in the US and the UK. Realised through the collaboration of thousands of crowdsourced volunteers labeling  tweets from the database and the machine-learning expertise of the London branch of ElementAI, branch driven by my friend Julien Cornebise with the main purpose of producing AI for good (as he explained at the recent Bayes for good workshop). Including the development of an ML tool to detect abusive tweets, called Troll Patrol [which pun side is clear in French!]. The amount of abuse exposed by this study and the possibility to train AIs to spot [some of the] abuse on line are both arguments that support Amnesty International call for the accountability of social media companies like twitter on abuse and violence propagated through their platform. (Methodology is also made available there.)


Posted in Mountains, pictures, Travel with tags , , , , , , on June 10, 2012 by xi'an

I did not see any troll in this land of the giants. Presumably, we were flying too high…

Troll hunter

Posted in Books, Mountains, Travel with tags , , , on February 18, 2012 by xi'an

(Warning! This post countains shocking facts about the true wildlife of Norway! Read at your own peril!)

When I started watching Troll Hunter, I was completely unaware that trolls roamed the higher plateaux of central Norway… This documentary made me realise, along with the three students who made the unedited film, of this unknown component of the Norwegian wildlife. The many races of trolls who managed to remain hidden for centuries, at least from cameras and general knowledge. With the help of the Troll Security Services (Trollsikkerhetstjenesten). If I ever hike again in Jotunheimen, or near Sogn og Fjordane (and I wish I will!), I will certainly pay attention to sunset times, in order to be indoor before the night!, and will be watching for weird tracks during the day. Even if you are not considering exploring Norway’s wildest areas in the future, you should watch the most amazing documentary ever! And learn how the Norwegian government slaughtered whole populations of trolls to make a new road… A wonder some are still left!

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