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原文連結
論文資訊
- 類型：已發表論文
- 日期：2016-12-08
摘要
Search in an environment with an uncertain distribution of resources involves a trade-off between exploitation of past discoveries and further exploration. This extends to 資訊 foraging, where a knowledge-seeker shifts between reading in depth and studying new domains. To study this decision making process, we examine the reading choices made by one of the most celebrated scientists of the modern era: Charles Darwin. From the full-text of books listed in his chronologically-organized reading journals, we generate topic models to quantify his local (text-to-text) and global (text-to-past) reading decisions using Kullback-Liebler Divergence, a 認知ly-validated, 資訊-theoretic measure of relative surprise. Rather than a pattern of surprise-minimization, corresponding to a pure exploitation strategy
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