학술논문
Attention-Based Supply-Demand Prediction for Autonomous Vehicles
Document Type
Conference
Author
Source
2019 20th International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT) Parallel and Distributed Computing, Applications and Technologies (PDCAT), 2019 20th International Conference on. :439-444 Dec, 2019
Subject
Language
ISSN
2640-6721
Abstract
As one of the important functions of the intelligent transportation system (ITS), supply-demand prediction for autonomous vehicles provides a decision basis for its control. In this paper, we present two prediction models (i.e. ARLP model and Advanced ARLP model) based on two system environments that only the current day's historical data is available or several days' historical data are available. These two models jointly consider the spatial, temporal, and semantic relations. Spatial dependency is captured with residual network and dimension reduction. Short term temporal dependency is captured with LSTM. Long term temporal dependency and temporal shifting are captured with LSTM and attention mechanism. Semantic dependency is captured with multi-attention mechanism. Extensive experiments show that our frameworks provide more accurate prediction results than the existing methods.