cern.ch的 10 大竞争对手

inspirehep.net

inspire is the leading information platform for high energy physics (hep) literature which provides users with high quality, curated content covering the entire corpus of hep literature, authors, data, jobs, conferences, institutions and experiments.

arxiv.org

A system of non-tradable credits that flow between individuals like karma, hence proposed under that name, is a mechanism for repeated resource allocation that comes with attractive efficiency and fairness properties, in theory. In this study, we test karma in an online experiment in which human subjects repeatedly compete for a resource with time-varying and stochastic individual preferences or urgency to acquire the resource. We confirm that karma has significant and sustained welfare benefits even in a population with no prior training. We identify mechanism usage in contexts with sporadic high urgency, more so than with frequent moderate urgency, and implemented as a simple (binary) karma bidding scheme as particularly effective for welfare improvements: relatively larger aggregate efficiency gains are realized that are (almost) Pareto superior. These findings provide guidance for further testing and for future implementation plans of such mechanisms in the real world.

journals.aps.org

physical review journals

researchgate.net

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overleaf.com

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jpl.nasa.gov

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nao.ac.jp

2013年2月16日に地球に接近した小惑星 2012 DA14についての解説です。この小惑星の直径は45メートル、質量は13万トンと推定され、地球と似た軌道で太陽を回っています。

ecmwf.int

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