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These are not necessarily new research results, not yet in any textbook, but they are interesting, self-contained techniques for doing something useful in the domain of spatial data. 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Wu, J. Hong, S. Cherukuri, W. J. K. Zhu, Y. Zhang, and C.-W. Kao. A practical network layout planning system using geospatial data. In 2nd ACM SIGSPATIAL International Workshop on Spatial Gems (SpatialGems 2020). ACM, 2020."},{"key":"e_1_2_1_7_1","volume-title":"2nd ACM SIGSPATIAL International Workshop on Spatial Gems (SpatialGems 2020","author":"Wu H.","year":"2020","unstructured":"H. Wu , M. Su , T. D. Le , N. Xu , G. Wang , and M. Stroe . A scalable in-memory solution for real-time k nearest search on road network . In 2nd ACM SIGSPATIAL International Workshop on Spatial Gems (SpatialGems 2020 ). ACM, 2020 . H. Wu, M. Su, T. D. Le, N. Xu, G. Wang, and M. Stroe. A scalable in-memory solution for real-time k nearest search on road network. In 2nd ACM SIGSPATIAL International Workshop on Spatial Gems (SpatialGems 2020). 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