trajectory-similarity 2 trajectory-clustering 2 trajectory-analysis 2 icde 2 spatio-temporal 2 graph-attention-networks 2 unsupervised-learning 1 transformer 1 trajectory-representation-learning 1 trajectory-representation 1 trajectory-prediction 1 self-supervised-learning 1 representation-learning 1 contrastive-learning 1 trajectory-recovery 1 spatial-temporal-transformer 1 road-network 1 data-mining 1 trajectory-distance 1 graph-neural-networks 1 graph-transformer 1 trajcl 1 graph-wavelets 1 wavelet-transform 1 urban-computing 1 traffic-forecasting 1 traffic-forcasting 1 time-series-forecasting 1 intelligent-transportation-systems 1