Trajectory similarity search

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United States of America Patent

PATENT NO 11994863
APP PUB NO 20210165410A1
SERIAL NO

16701228

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Abstract

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A computer-implemented method, a computer system, and a computer program product for trajectory similarity search is provided. The present invention may include, in response to receiving, by one or more processors, a search request for at least one trajectory similar to a query trajectory, determining, by one or more processors, a respective similarity between a query trajectory and a plurality of trajectories by calculating, in a synchronized way, a spatial distance measure and a time difference measure between the query trajectory and the plurality of trajectories. The present invention may further include, identifying, by one or more processors, the at least one trajectory from the plurality of trajectories based on the respective similarity between the query trajectory and the plurality of trajectories.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liang, Qi Shanghai, CN 99 1364
Min, Hong Poughkeepsie, US 81 824
Rao, Weixiong Shanghai, CN 8 13
Su, Gong New York, US 39 448
Tian, Tian Beijing, CN 63 357
Zhao, Peng Mianyang, CN 285 2308

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