Efficient Proximity Queries on Simplified Height Maps
Summary: Proposes height-map simplification to accelerate shortest-path proximity queries on 3D surfaces. Compared with point-cloud and TIN baselines, simplification yields speedups, and proximity queries on simplified map run up to 5x/1,340x faster <=10% error. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Yinzhao Yan (Hong Kong University of Science and Technology)
- 2. Raymond Chi-Wing Wong (Hong Kong University of Science and Technology)
BibTeX Citation
@inproceedings{yan_sigmod26,
title = {{Efficient Proximity Queries on Simplified Height Maps}},
author = {Yan, Yinzhao and Wong, Raymond Chi-Wing},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3749162},
url = {https://dl.acm.org/doi/10.1145/3749162},
year = {2026}
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Outgoing Citations (Sorted by Pagerank)
Showing 10 of 10 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 968 | Path Oracles for Spatial Networks | 2009 | VLDB | 0.00012901559 |
| 1,618 | Continuous Monitoring of Nearest Neighbors on Land Surface | 2009 | VLDB | 0.00010207737 |
| 1,619 | Indexing Land Surface for Efficient kNN Query | 2008 | VLDB | 0.00010207737 |
| 8,526 | Path Advisor: A Multi-Functional Campus Map Tool for Shortest Path | 2021 | VLDB | 5.4119882e-05 |
| 8,532 | New Lower and Upper Bounds for Shortest Distance Queries on Terrains | 2016 | VLDB | 5.4119882e-05 |
| 8,537 | Finding Shortest Paths on Terrains by Killing Two Birds with One Stone | 2014 | VLDB | 5.4119882e-05 |
| 8,543 | Finding Shortest Path on Land Surface | 2011 | SIGMOD | 5.4119882e-05 |
| 11,156 | Proximity Queries on Point Clouds using Rapid Construction Path Oracle | 2024 | SIGMOD | 5.093636e-05 |
| 11,380 | EAR-Oracle: On Efficient Indexing for Distance Queries between Arbitrary Points on Terrain Surface | 2023 | SIGMOD | 5.093636e-05 |
| 11,993 | Distance Oracle on Terrain Surface | 2017 | SIGMOD | 5.093636e-05 |
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