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.
Was Navalny poisoning by frog toxin meant to send a message?
，这一点在91视频中也有详细论述
Цены на нефть взлетели до максимума за полгода17:55
崔元俊称，同样地，三星也尚未承诺再推出一款TriFold三折叠手机。三星首款三折叠手机Galaxy Z TriFold售价近3000美元，配备两个铰链，展开后是一款大尺寸平板电脑。但他暗示，该公司正在研发标准版Galaxy Z Fold的更宽屏版本，其形态可能与苹果公司计划推出的首款折叠机型相似。