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万方数据知识服务平台与全球国内外30余家大型数据库集成商、出版商、公益机构达成战略合作，整合数亿条全球优质学术资源，集成期刊、学位、会议、专利、科技报告、成果、标准、法规、地方志、视频等十余种学术资源类型。平台基于先进的人工智能技术，打造涵盖资源发现、学术不端检测、学术分析、学科选题以及知识管理等领域的智能化平台与工具，为用户提供海量资源的统一检索发现和获取、学术科研的全流程服务，帮助用户精准的发现知识、便捷的获取知识、更愉悦的创造知识。

sciencedirect.com

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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.

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