Cited By
View all- Oliver DXu BPao Y(2019)ACM SIGSPATIAL cup 2018 - identifying upstream features in large spatial networksSIGSPATIAL Special10.1145/3355491.335549811:1(32-35)Online publication date: 5-Aug-2019
Fast analysis of upstream features on spatial networks (GIS cup)
Authors: 
Salles Viana Gomes Magalhães, W. Randolph Franklin, Ricardo dos Santos FerreiraAuthors Info & Claims
Salles Viana Gomes Magalhães, W. Randolph Franklin, Ricardo dos Santos FerreiraAuthors Info & ClaimsPages 622 - 625
Abstract
We present a fast linear time algorithm that uses a block-cut tree for identifying upstream features from a set of starting points in a network. Our implementation has been parallelized and it can process a dataset with 32 million features in less than 8 seconds on a 8-core workstation. This problem is the 2018 ACM SIGSPATIAL CUP challenge and presents several applications mainly on the field of utility networks. Our code is freely available for nonprofit research and education at https://github.com/sallesviana/FastUpstream
References
[1]
Petko Bakalov, Erik G. Hoel, and Sangho Kim. 2017. A Network Model for the Utility Domain. In Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL'17). ACM, New York, NY, USA, Article 32, 10 pages.
[2]
Frank Harary. 1969. Graph Theory. Addison-Wesley, Reading, MA.
[3]
Dev Oliver, Bo Xu, and Yuanyuan Pao. 2018. GISCUP - ACM SIGSPATIAL CUP 2018. (2018). http://sigspatial2018.sigspatial.org/giscup2018 (accessed Aug-2018).
[4]
Robert Tarjan. 1972. Depth-first search and linear graph algorithms. SIAM journal on computing 1, 2 (1972), 146--160.
Index Terms
- Fast analysis of upstream features on spatial networks (GIS cup)
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ACM SIGSPATIAL cup 2018 - identifying upstream features in large spatial networks
ACM SIGSPATIAL Cup 2018 was the 7th GIS-focused algorithm contest hosted by the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2018). The contest explored the problem of analyzing large spatial ...
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Information & Contributors
Information
Published In
November 2018
655 pages
ISBN:9781450358897
DOI:10.1145/3274895
- General Chairs:
- Farnoush Banaei-Kashani,
- Erik Hoel,
- Program Chairs:
- Ralf Hartmut Güting,
- Roberto Tamassia,
- Li Xiong
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Association for Computing Machinery
New York, NY, United States
Publication History
Published: 06 November 2018
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- Short-paper
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SIGSPATIAL '18
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SIGSPATIAL '18: 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
November 6 - 9, 2018
Washington, Seattle
Acceptance Rates
SIGSPATIAL '18 Paper Acceptance Rate 30 of 150 submissions, 20%;
Overall Acceptance Rate 220 of 1,116 submissions, 20%
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View all- Oliver DXu BPao Y(2019)ACM SIGSPATIAL cup 2018 - identifying upstream features in large spatial networksSIGSPATIAL Special10.1145/3355491.335549811:1(32-35)Online publication date: 5-Aug-2019
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