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Size constrained k simple polygons

Published: 06 November 2018 Publication History

Abstract

Given a geometric space and a set of weighted spatial points, the Size Constrained k Simple Polygons (SCSP) problem identifies k simple polygons that maximize the total weights of the spatial points covered by the polygons and honor the polygon size constraint. The SCSP problem is important for many societal applications, such as hotspot area detection and resource allocation. The problem is NP-hard; it is computationally challenging because of the large number of spatial points and the polygon size constraint. This paper proposes a novel approach for finding k simple polygons that maximize the total weights under the size constraint. Experiments using Chicago crime datasets demonstrate that the proposed algorithm outperforms baseline approaches and reduces the computational cost to create a SCSP.

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cover image ACM Conferences
SIGSPATIAL '18: Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
November 2018
655 pages
ISBN:9781450358897
DOI:10.1145/3274895
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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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 06 November 2018

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Author Tags

  1. constrained optimization
  2. polygonalization
  3. spatial covering

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SIGSPATIAL '18 Paper Acceptance Rate 30 of 150 submissions, 20%;
Overall Acceptance Rate 257 of 1,238 submissions, 21%

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