One challenge is having enough training data. Another is that the training data needs to be free of contamination. For a model trained up till 1900, there needs to be no information from after 1900 that leaks into the data. Some metadata might have that kind of leakage. While it’s not possible to have zero leakage - there’s a shadow of the future on past data because what we store is a function of what we care about - it’s possible to have a very low level of leakage, sufficient for this to be interesting.
Accurate_Cry_8937
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第八十四条 有下列行为之一的，处十日以上十五日以下拘留，可以并处三千元以下罚款；情节较轻的，处五日以下拘留或者一千元以下罚款：
黎海超关于三星堆的研究显示，三星堆文明的突发式崛起，建立在其与中原商王朝、长江中下游等地以及中亚与西亚发达的互动网络之上，但又形成了自身独特的风格。这种基于资源互补、技术互鉴的远距离交流网络，是中国各区域间交往的重要形式，突出体现了中华文明和而不同的包容性与协和万邦的和平底色。
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