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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 29 / No.1: The Twenty-Ninth Conference on Artificial Intelligence

Forecasting Collector Road Speeds Under High Percentage of Missing Data

March 8, 2023

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Authors

Xin Xin

Beijing Institute of Technology


Chunwei Lu

Autopia Mobile Tech Group Inc.


Yashen Wang

Beijing Institute of Technology


Heyan Huang

Beijing Institute of Technology


DOI:

10.1609/aaai.v29i1.9447


Abstract:

Accurate road speed predictions can help drivers in smart route planning. Although the issue has been studied previously, most existing work focus on arterial roads only, where sensors are configured closely for collecting complete real-time data. For collector roads where sensors sparsly cover, however, speed predictions are often ignored. With GPS-equipped floating car signals being available nowadays, we aim at forecasting collector road speeds by utilizing these signals. The main challenge compared with arterial roads comes from the missing data. In a time slot of the real case, over 90% of collector roads cannot be covered by enough floating cars. Thus most traditional approaches for arterial roads, relying on complete historical data, cannot be employed directly. Aiming at solving this problem, we propose a multi-view road speed prediction framework. In the first view, temporal patterns are modeled by a layered hidden Markov model; and in the second view, spatial patterns are modeled by a collective matrix factorization model. The two models are learned and inferred simultaneously in a co-regularized manner. Experiments conducted in the Beijing road network, based on 10K taxi signals in 2 years, have demonstrated that the approach outperforms traditional approaches by 10% in MAE and RMSE.

Topics: AAAI

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HOW TO CITE:

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang Forecasting Collector Road Speeds Under High Percentage of Missing Data Proceedings of the AAAI Conference on Artificial Intelligence, 29 (2015) .

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang Forecasting Collector Road Speeds Under High Percentage of Missing Data AAAI 2015, .

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang (2015). Forecasting Collector Road Speeds Under High Percentage of Missing Data. Proceedings of the AAAI Conference on Artificial Intelligence, 29, .

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang. Forecasting Collector Road Speeds Under High Percentage of Missing Data. Proceedings of the AAAI Conference on Artificial Intelligence, 29 2015 p..

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang. 2015. Forecasting Collector Road Speeds Under High Percentage of Missing Data. "Proceedings of the AAAI Conference on Artificial Intelligence, 29". .

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang. (2015) "Forecasting Collector Road Speeds Under High Percentage of Missing Data", Proceedings of the AAAI Conference on Artificial Intelligence, 29, p.

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang, "Forecasting Collector Road Speeds Under High Percentage of Missing Data", AAAI, p., 2015.

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang. "Forecasting Collector Road Speeds Under High Percentage of Missing Data". Proceedings of the AAAI Conference on Artificial Intelligence, 29, 2015, p..

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang. "Forecasting Collector Road Speeds Under High Percentage of Missing Data". Proceedings of the AAAI Conference on Artificial Intelligence, 29, (2015): .

Xin Xin|| Chunwei Lu|| Yashen Wang|| Heyan Huang. Forecasting Collector Road Speeds Under High Percentage of Missing Data. AAAI[Internet]. 2015[cited 2023]; .


ISSN: 2374-3468


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