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PredLife: Predicting Fine-Grained Future Activity Patterns
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AI
DOI：10.1109/TBDATA.2023.3310241.png)
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Abstract
En 中文
Activity pattern prediction is a critical part of urban computing, urban planning, intelligent transportation, and so on. Based on a dataset with more than 10 million GPS trajectory records collected by mobile sensors, this research proposed a CNN-BiLSTM-VAE-ATT-based encoder-decoder model for fine-grained individual activity sequence prediction. The model combines the long-term and short-term dependencies crosswise and also considers randomness, diversity, and uncertainty of individual activity patterns. The proposed results show higher accuracy compared to the ten baselines. The model can generate high diversity results while approximating the original activity patterns distribution. Moreover, the model also has interpretability in revealing the time dependency importance of the activity pattern prediction.
Keywords:
Activity pattern prediction
Human mobility
Big GPS data
Variational autoencoder
LSTM
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