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Aug, 2023
使用从头开始训练的GPT-2生成基于编码时空数据的个体轨迹
Generating Individual Trajectories Using GPT-2 Trained from Scratch on Encoded Spatiotemporal Data
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Taizo Horikomi, Shouji Fujimoto, Atushi Ishikawa, Takayuki Mizuno
TL;DR
将地理坐标转化为代表不同空间尺度位置的特殊标记,并通过自回归语言模型GPT-2对这些标记和轨迹进行训练,构建了一个受环境因素和个体属性影响的深度学习模型,能够生成个人每日轨迹。
Abstract
Following Mizuno, Fujimoto, and Ishikawa's research (Front. Phys. 2022), we transpose
geographical coordinates
expressed in latitude and longitude into
distinctive location tokens
that embody positions across var
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