Chronic liver disease is an increasingly prevalent and heterogeneous syndrome with important consequences for cardiovascular ...

回归预测中，模型泛化能力与超参数选择息息相关。以支持向量回归（SVR）为例，惩罚系数、RBF核参数和不敏感损失值共同决定模型拟合边界，默认参数往往难以匹配复杂非线性数据的真实结构。利用遗传算法（GA）对SVR关键超参数进行全局搜索，结合交叉验证设计适应度函数，可有效避免过拟合并 ...

Recommendation algorithms promise social media users a personalized experience, but some experts worry they promote doomscrolling, brain rot, and myriad mental health problems. Australia recently ...

Australia is preparing a significant change to the way social networks work, requiring that users over 16 years old can choose between content recommended by algorithms and a feed with posts from ...

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