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Wiser than the Wisest or the Stupidity of Herds?
Few days ago I presented my recent paper on opinion dynamics and the wisdom of crowds at ECML-PKDD, joint work with two excellent PhD students at BU, Fabian Spaeh and Dragos Ristache. Wisdom of Crowds In 1906, approximately about 800 villagers participated in an event where they estimated the weight of an ox. Sir Francis […]
Concurrent Lines and Collinear Points
Let given points have the property that the line joining any two of them passes through a third point of the set. Must the points all lie on one line? This question was posed by Sylvester in his article “Mathematical question 11851” in 1893. The answer is no in general (complex projective plane), but on […]
Φώτης Κόντογλου περί τουρισμού
«Στον καιρό μας βγήκανε πολλές νέες θρησκείες. Μια απ’ αυτές είναι κι ο τουρισμός, που τον γέννησε η κούφια και χασομέρικη περιέργεια του ανθρώπου που θέλει να σκαλίζει και να μαθαίνει χωρίς να δίνει καμμιά σημασία σ᾿ εκείνο που βλέπει κι ακούει. Οι περισσότεροι τουρίστες βαριούνται τη ζωή τους και θέλουνε να περάσουνε την ώρα […]