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SMP: scalable max-P regionalization

Published: 22 November 2022 Publication History

Abstract

MP-regions is an NP-hard problem that groups spatial areas to produce a maximum number of regions by enforcing a user-defined constraint at the regional level. Existing approximate algorithms for MP-regions do not scale for large datasets due to their high computational cost. This paper introduces SMP; a scalable technique to support MP-regions on large datasets. SMP works on two stages. The first stage finds an initial solution through randomized search, and the second stage improves this solution through efficient heuristic search. SMP optimizes the region building efficiency and quality by tuning the randomized area selection to trade-off runtime with region homogeneity. The experimental evaluation shows the superiority of our technique to support an order of magnitude larger datasets efficiently compared to the state-of-the-art techniques while producing high-quality solutions.

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Cited By

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  • (2024)Towards Scalable and Expressive Spatial Grouping QueriesProceedings of the 32nd ACM International Conference on Advances in Geographic Information Systems10.1145/3678717.3695757(709-710)Online publication date: 29-Oct-2024
  • (2024)Pyneapple-R: Scalable and Expressive Spatial Regionalization2024 IEEE 40th International Conference on Data Engineering (ICDE)10.1109/ICDE60146.2024.00437(5497-5500)Online publication date: 13-May-2024

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Published In

cover image ACM Conferences
SIGSPATIAL '22: Proceedings of the 30th International Conference on Advances in Geographic Information Systems
November 2022
806 pages
ISBN:9781450395298
DOI:10.1145/3557915
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Publication History

Published: 22 November 2022

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Author Tags

  1. max p-regions
  2. regionalization
  3. spatial clustering

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Cited By

View all
  • (2024)Towards Scalable and Expressive Spatial Grouping QueriesProceedings of the 32nd ACM International Conference on Advances in Geographic Information Systems10.1145/3678717.3695757(709-710)Online publication date: 29-Oct-2024
  • (2024)Pyneapple-R: Scalable and Expressive Spatial Regionalization2024 IEEE 40th International Conference on Data Engineering (ICDE)10.1109/ICDE60146.2024.00437(5497-5500)Online publication date: 13-May-2024

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