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- W2616616434 abstract "Owing to the wide availability of the global positioning system (GPS) and digital mapping of roads, road network navigation services have become a basic application on many mobile devices. Path planning, a fundamental function of road network navigation services, finds a route between the specified start location and destination. The efficiency of this path planning function is critical for mobile users on roads due to various dynamic scenarios, such as a sudden change in driving direction, unexpected traffic conditions, lost or unstable GPS signals, and so on. In these scenarios, the path planning service needs to be delivered in a timely fashion. In this paper, we propose a system, namely, Path Planning by Caching (PPC), to answer a new path planning query in real time by efficiently caching and reusing historical queried-paths. Unlike the conventional cachebased path planning systems, where a queried-path in cache is used only when it matches perfectly with the new query, PPC leverages the partially matched queries to answer part(s) of the new query. Comprehensive experimentation on a real road network database shows that our system outperforms the state of-the-art path planning techniques by reducing 32% of the computation latency on average." @default.
- W2616616434 created "2017-05-26" @default.
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- W2616616434 date "2017-04-01" @default.
- W2616616434 modified "2023-09-24" @default.
- W2616616434 title "Efficient Cache-Supported Path Planning on Roads (Extended Abstract)" @default.
- W2616616434 cites W2065962568 @default.
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- W2616616434 doi "https://doi.org/10.1109/icde.2017.14" @default.
- W2616616434 hasPublicationYear "2017" @default.
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