A polygon within radius R has inwardly projecting edges. A triangle at radius R approaches R/2 at its nearest point. A square reaches R × cos(45°) ≈ 0.71R. A pentagon reaches R × cos(36°) ≈ 0.81R.
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CIKM Knowledge ManagementMENTA: Inducing Multilingual Taxonomies from WikipediaGerard de Melo & Gerhard Weikum, Max Planck Institute for InformaticsFACeTOR: cost-driven exploration of faceted query resultsAbhijith Kashyap, University at Buffalo; et al.Vagelis Hristidis, Florida International University
So much of our society relies on assumptions we make about the world. These assumptions are what enable us to predict the future. We assume that, given no change in extraneous events, X cause will indeed lead to Y result, but this is never the case long-term.
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美国媒体将特朗普与希特勒相提并论 15:13