Direction-Preserving Trajectory Simplification
Summary: Introduces direction-preserving trajectory simplification, enabling broader applications than position-preserving methods. Polynomial-time optimal algorithm and a provable-approximation; real-data experiments show practical benefits. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Cheng Long (Hong Kong University of Science and Technology)
- 2. Raymond Chi-Wing Wong (Hong Kong University of Science and Technology)
- 3. H. V. Jagadish (University of Michigan)
BibTeX Citation
@article{long_vldb13,
title = {{Direction-Preserving Trajectory Simplification}},
author = {Long, Cheng and Wong, Raymond Chi-Wing and Jagadish, H. V.},
journal = {PVLDB},
series = {{VLDB} '13},
volume = {6},
number = {10},
pages = {949--960},
doi = {10.14778/2536206.2536209},
url = {https://doi.org/10.14778/2536206.2536209},
year = {2013}
}Incoming Citations (Sorted by Pagerank)
Showing 9 of 9 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,046 | Distributed Trajectory Similarity Search | 2017 | VLDB | 9.260657e-05 |
| 2,416 | DITA: Distributed In-Memory Trajectory Analytics | 2018 | SIGMOD | 8.6068712e-05 |
| 2,696 | Trajectory Simplification: On Minimizing the Direction-based Error | 2015 | VLDB | 8.24578e-05 |
| 3,029 | Trajectory Simplification: An Experimental Study and Quality Analysis | 2018 | VLDB | 7.8340364e-05 |
| 5,163 | One-Pass Error Bounded Trajectory Simplification | 2017 | VLDB | 6.3372141e-05 |
| 5,997 | Efficient and Effective Similar Subtrajectory Search with Deep Reinforcement Learning | 2020 | VLDB | 6.0146869e-05 |
| 6,579 | A Deep Generative Model for Trajectory Modeling and Utilization | 2023 | VLDB | 5.8364579e-05 |
| 8,727 | Quantifying Point Contributions: A Lightweight Framework for Efficient and Effective Query-Driven Trajectory Simplification | 2025 | VLDB | 5.3766157e-05 |
| 10,222 | DimWeaver: Dimensional Weaved Trajectory Compression | 2026 | SIGMOD | 5.093636e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 3 of 3 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 918 | Trajectory Clustering: A Partition-and-Group Framework | 2007 | SIGMOD | 0.00013215285 |
| 1,193 | On Map-Matching Vehicle Tracking Data | 2005 | VLDB | 0.00011730808 |
| 2,656 | TraClass: Trajectory Classification Using Hierarchical Region-Based and Trajectory-Based Clustering | 2008 | VLDB | 8.2888028e-05 |
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Semantically Similar Papers
| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 8,210 | On Nearest Neighbor Indexing of Nonlinear Trajectories | 2003 | PODS |
| 2 | 3,849 | Calibrating Trajectory Data for Similarity-based Analysis | 2013 | SIGMOD |
| 3 | 4,803 | Subtrajectory Clustering: Models and Algorithms | 2018 | PODS |
| 4 | 1,885 | Discovery of Convoys in Trajectory Databases | 2008 | VLDB |
| 5 | 6,002 | Compression of Uncertain Trajectories in Road Networks | 2020 | VLDB |
| 6 | 10,594 | PILOT-C: Physics-Informed Low-Distortion Optimal Trajectory Compression | 2026 | VLDB |
| 7 | 10,222 | DimWeaver: Dimensional Weaved Trajectory Compression | 2026 | SIGMOD |
| 8 | 5,163 | One-Pass Error Bounded Trajectory Simplification | 2017 | VLDB |
| 9 | 3,029 | Trajectory Simplification: An Experimental Study and Quality Analysis | 2018 | VLDB |
| 10 | 2,696 | Trajectory Simplification: On Minimizing the Direction-based Error | 2015 | VLDB |