notesum.ai

Published at November 27

MM-Path: Multi-modal, Multi-granularity Path Representation Learning -- Extended Version

cs.LG

cs.AI

Released Date: November 27, 2024

Authors: Ronghui Xu¹, Hanyin Cheng¹, Chenjuan Guo¹, Hongfan Gao¹, Jilin Hu¹, Sean Bin Yang², Bin Yang¹

Aff.: ¹East China Normal University; ²Chongqing University of Posts and Telecommunications

Arxiv: http://arxiv.org/abs/2411.18428v1

Refer to caption

Methods	Aalborg						Xi’an
	Travel Time Estimation			Path Ranking			Travel Time Estimation			Path Ranking
	MAE $\downarrow$	MARE $\downarrow$	MAPE $\downarrow$	MAE $\downarrow$	$\tau$ $\uparrow$	$\rho$ $\uparrow$	MAE $\downarrow$	MARE $\downarrow$	MAPE $\downarrow$	MAE $\downarrow$	$\tau$ $\uparrow$	$\rho$ $\uparrow$
Node2vec (Grover and Leskovec, 2016)	76.228	0.281	54.182	0.203	0.119	0.140	227.129	0.269	30.919	0.218	0.079	0.098
PIM (Bin Yang et al., 2022)	63.812	0.237	47.054	0.144	0.284	0.343	207.266	0.246	27.716	0.207	0.091	0.102
Lightpath (Yang et al., 2023b)	58.818	0.221	40.219	0.124	0.413	0.483	201.400	0.229	26.429	0.178	0.209	0.252
TrajCL (Chang et al., 2023)	53.822	0.208	34.239	0.113	0.499	0.577	202.757	0.238	26.506	0.181	0.211	0.256
START (Jiang et al., 2023)	51.176	0.191	34.315	0.117	0.475	0.556	199.843	0.215	25.022	0.179	0.229	0.279
CLIP (Radford et al., 2021)	72.155	0.261	50.284	0.162	0.179	0.185	219.048	0.256	30.962	0.213	0.087	0.099
USPM (Chen et al., 2024a)	66.714	0.249	51.916	0.148	0.308	0.383	205.594	0.244	26.039	0.209	0.105	0.110
JGRM (Ma et al., 2024)	51.251	0.193	32.380	0.115	0.512	0.592	201.010	0.228	26.400	0.177	0.228	0.262
Lightpath+image	59.698	0.224	40.920	0.131	0.383	0.405	205.556	0.242	27.058	0.182	0.188	0.231
START+image	51.859	0.188	33.401	0.122	0.437	0.521	200.059	0.211	26.046	0.184	0.183	0.226
MM-Path	47.756	0.172	29.808	0.106	0.558	0.643	187.452	0.193	23.644	0.165	0.257	0.294
Improvement	6.682%	9.947%	12.941%	6.194%	11.823%	11.443%	6.201%	10.236%	5.507%	7.303%	12.227%	5.376%
Improvement*	6.819%	8.511%	7.943%	7.826%	8.984%	8.614%	6.312%	8.531%	9.222%	6.780%	12.719%	12.213%