Quando gli "open data" riguardano delle persone, occorre esercitare grande cautela e senso critico. E i primi a doverlo fare sono proprio i sostenitori degli open data, sia per motivi deontologici sia per evitare "backlash" esagerati. juan carlos The Trouble With New York's Teacher Data Dump By Emily Richmond Feb 27 2012, 12:38 PM ET 1 <http://www.theatlantic.com/national/archive/2012/02/the-trouble-with-new-yor...> /Does the release of information on 18,000 educators really increase transparency, or does it open the door for unprofessional -- and misleading -- statistical analysis? / Following a court challenge last year by several media outlets, the New York City Department of Education -- which operates the nation's largest school district -- agreed to release individual evaluation rankings for 18,000 of its teachers. /The New York Times/ is publishing its analysis of the data, including the teachers' names and their school assignments. GothamSchools, an independent online publication, has opted out, citing significant concerns <http://gothamschools.org/2012/02/23/why-we-wont-publish-individual-teachers-...> about both the fairness and the accuracy of the data. Indeed, there is potentially a wide margin of error. The final scores for teachers could be off on average by as much as 35 or 53 percentage points for English and math exams, respectively, the /New York Times/ reported <http://www.nytimes.com/schoolbook/2012/02/24/teacher-data-reports-are-releas...>. [...] Continua qui: http://www.theatlantic.com/national/archive/2012/02/the-trouble-with-new-yor...