Abstract
In the last decade, the trajectories data have been collected by many applications and such trajectories contain rich information that can be used to detect events especially for anomaly event detections. However, there are still many challenges on this problem, the major one is how to identify the similar trajectories on semantic level. In this work, we extract the nature features from raw trajectories and use them to do the semantic trajectory similarity search. To achieve this, we propose a PLS algorithm to detect such semantic similar trajectories efficiently and effectively. We also leverage the DBSCAN to help extract the information from large trajectory data. The results of our algorithm are demonstrated by the real world dataset.
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Acknowledgments
The authors would like to acknowledge the support of the project which is provided by the National Natural Science Foundation of China under Grant (No. U1435220)(No. 61503365).
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Fu, P., Wang, H., Liu, K., Hu, X., Zhang, H. (2016). Using Learning Features to Find Similar Trajectories. In: Morishima, A., et al. Web Technologies and Applications. APWeb 2016. Lecture Notes in Computer Science(), vol 9865. Springer, Cham. https://doi.org/10.1007/978-3-319-45835-9_26
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DOI: https://doi.org/10.1007/978-3-319-45835-9_26
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