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Frontiers of Computer Science

ISSN 2095-2228

ISSN 2095-2236(Online)

CN 10-1014/TP

Postal Subscription Code 80-970

2018 Impact Factor: 1.129

Front. Comput. Sci.    2024, Vol. 18 Issue (3) : 183609    https://doi.org/10.1007/s11704-023-3626-3
Information Systems
Graph-decomposed k-NN searching algorithm on road network
Wei JIANG1, Bo NING1(), Guanyu LI1, Mei BAI1, Xiao JIA2, Fangliang WEI1
1. Faculty of Information Science and Technology, Dalian Maritime University, Dalian 116026, China
2. Jiangxing Intelligence Inc., Shenzhen 518100, China
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Corresponding Author(s): Bo NING   
Just Accepted Date: 30 November 2023   Issue Date: 06 February 2024
 Cite this article:   
Wei JIANG,Bo NING,Guanyu LI, et al. Graph-decomposed k-NN searching algorithm on road network[J]. Front. Comput. Sci., 2024, 18(3): 183609.
 URL:  
https://academic.hep.com.cn/fcs/EN/10.1007/s11704-023-3626-3
https://academic.hep.com.cn/fcs/EN/Y2024/V18/I3/183609
Fig.1  Extraction of tree nodes
Fig.2  Graph-decomposed tree
  
Datasets |V| |E| h w
Quanzhou (QZ) 5672 7521 210 79
Dalian (DL) 13605 17984 209 65
Pune (PN) 28649 36925 359 144
Baghdad (BD) 60108 88876 560 201
Tehran (TR) 110580 147339 721 356
Bangkok (BK) 154352 187798 806 357
Tab.1  Statistics of road network data
Fig.3  Query performance varying k-values. (a) Query time on QZ dataset; (b) query time on DL dataset; (c) query time on PN dataset; (d) query time on BD dataset; (e) query time on TR dataset; (f) query time on BK dataset
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3 E W. Dijkstra . A note on two problems in connexion with graphs. Numerische Mathematik, 1959, 1: 269–271
4 D, Ouyang D, Wen L, Qin L, Chang Y, Zhang X Lin . Progressive top-K nearest neighbors search in large road networks. In: Proceedings of 2020 ACM SIGMOD International Conference on Management of Data. 2020, 1781−1795
5 Y, Zeng Y, Tong L Chen . LiteHST: a tree embedding based method for similarity search. Proceedings of the ACM on Management of Data, 2023, 1( 1): 35
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[1] FCS-23626-OF-WJ_suppl_1 Download
[2] FCS-23626-OF-WJ_suppl_2 Download
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