图神经网络 - Python实现LSTM-GNN时间序列预测
图神经网络 | Python实现LSTM-GNN时间序列预测
LSTM-GNN用于病人的结果预测：一个混合模型，结合了用于提取时间特征的长短期记忆网络（LSTM）和用于提取病人邻域信息的图谱神经网络（GNN）。
关于预测重症监护室（ICU）病人结果的工作主要集中在生理时间序列数据上，基本上忽略了诊断和药物等稀疏数据。当它们被包括在内时，它们通常是在模型的后期阶段被串联起来的，这可能难以从更罕见的疾病模式中学习。通过在图中连接类似的病人，将诊断作为关系信息加以利用。
LSTM-GNNs在eICU数据库的住院时间预测任务中的表现优于仅有LSTM的基线。利用图神经网络从相邻的病人病例中提取信息是一个很有前途的研究方向，在电子健康记录的监督学习性能方面产生了切实的回报。
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