Abstract
Traffic condition is one vital piece of information that any commuter would wish to obtain to plan an efficient route. However, most existing works monitor and report only current traffic, which makes it too late for commuters to change their routes when they realize they are already stuck in the traffic. Therefore, in this paper, we propose a traffic prediction approach by defining and solving a novel continuous predictive line query. The continuous predictive line query aims to accurately estimate traffic conditions in the near future based on current movement of vehicles on the roads, and continuously update the predicted traffic conditions as vehicles move. The predicted traffic condition will not only help redirect commuters in advance but also help relieve the overall traffic congestion problem. We have proposed three algorithms to answer the query and carried out both theoretical and empirical study. Our experimental results demonstrate the effectiveness and efficiency of our approach.
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Notes
- 1.
Both the terms Moving Object and Vehicle will be used interchangeably.
- 2.
Note that the minimum speed is always greater than 0 since we exclude outlier objects with speed equal to 0 (e.g., an object stopped at a gas station).
- 3.
Since the accuracy is not affected by the buffer, it is omitted in the discussion.
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Acknowledgement
This work is partly funded by the U.S. National Science Foundation under Grant No. CNS-1250327.
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Heendaliya, L., Lin, D., Hurson, A. (2015). Continuous Predictive Line Queries for On-the-Go Traffic Estimation. In: Hameurlain, A., KĂĽng, J., Wagner, R., Decker, H., Lhotska, L., Link, S. (eds) Transactions on Large-Scale Data- and Knowledge-Centered Systems XVIII. Lecture Notes in Computer Science(), vol 8980. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46485-4_4
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