Unverified50% confidenceFactExact time
Regime shift refers to a structural abrupt change in a system's generative mechanism, causing the statistical patterns of historical data to no longer apply.
1
Sources
50%
Confidence
Long-term
Relevance
10/5/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedTime series data exhibit temporal dependencies, trends, and autocorrelation structures, and therefore almost inevitably violate the exchangeability assumption.68% similarUnverified由于历史记录同样受影响,模型名称消失更可能是前端统一显示逻辑层的问题,而非底层数据丢失67% similarUnverified更换或升级嵌入模型时,旧向量与新向量处于不同语义空间无法直接比较,往往需要全量重建索引65% similarUnverified合成数据的反馈循环会导致模型崩溃,表现为词汇单一化、句子结构趋同、长尾内容消失65% similarUnverifiedIf only the data of newly added classes is used to fine-tune an expanded classification head, the model is highly prone to catastrophic forgetting, rapidly losing its ability to recognize the original classes.64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/975816API
curl https://kongchang.com/api/v1/knowledge/claims/975816MCP
get_claim(id=975816)