Ghost: A General Framework for High-Performance Online Similarity Queries over Distributed Trajectory Streams
Summary: Ghost is a distributed framework for online trajectory similarity search and join over real-time streams, with IOSC making pairwise distance linear in trajectory length. Histogram indexes with pruning bounds support streaming similarity on Flink via CostPartitioner, achieving 6-20x throughput and memory savings. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Ziquan Fang (Zhejiang University)
- 2. Shenghao Gong (Zhejiang University)
- 3. Lu Chen (Zhejiang University)
- 4. Jiachen Xu (Zhejiang University)
- 5. Yunjun Gao (Zhejiang University)
- 6. Christian S. Jensen (Aalborg University)
BibTeX Citation
@inproceedings{fang_sigmod23,
title = {{Ghost: A General Framework for High-Performance Online Similarity Queries over Distributed Trajectory Streams}},
author = {Fang, Ziquan and Gong, Shenghao and Chen, Lu and Xu, Jiachen and Gao, Yunjun and Jensen, Christian S.},
series = {{SIGMOD} '23},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3589318},
url = {https://dl.acm.org/doi/10.1145/3589318},
year = {2023}
}Incoming Citations (Sorted by Pagerank)
Showing 2 of 2 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 10,463 | GoodTP: An Effective Data Selection Framework for Enhancing Trajectory Similarity Learning via Monte Carlo Tree Search | 2026 | SIGMOD | 4.9793485e-05 |
| 11,442 | T-Assess: An Efficient Data Quality Assessment System Tailored for Trajectory Data | 2025 | VLDB | 4.9793485e-05 |
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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 |
|---|---|---|---|---|
| 227 | Robust and Fast Similarity Search for Moving Object Trajectories | 2005 | SIGMOD | 0.0002393284 |
| 306 | On The Marriage of Lp-norms and Edit Distance | 2004 | VLDB | 0.00021575844 |
| 1,177 | On Map-Matching Vehicle Tracking Data | 2005 | VLDB | 0.000116417 |
| 2,021 | Distributed Trajectory Similarity Search | 2017 | VLDB | 9.1719539e-05 |
| 2,196 | DITA: Distributed In-Memory Trajectory Analytics | 2018 | SIGMOD | 8.8780862e-05 |
| 4,745 | SKYPE: Top-k Spatial-keyword Publish/Subscribe Over Sliding Window | 2016 | VLDB | 6.4385742e-05 |
| 5,188 | Fast Subtrajectory Similarity Search in Road Networks under Weighted Edit Distance Constraints | 2020 | VLDB | 6.2370687e-05 |
| 6,097 | Trajectory Similarity Join in Spatial Networks | 2017 | VLDB | 5.887961e-05 |
| 7,026 | Real-time Distributed Co-Movement Pattern Detection on Streaming Trajectories | 2019 | VLDB | 5.6180637e-05 |
| 8,162 | Diversity-Aware Top-k Publish/Subscribe for Text Stream | 2015 | SIGMOD | 5.3862637e-05 |
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|---|---|---|---|---|
| 1 | 3,731 | An Efficient Query Indexing Mechanism for Filtering Geo-Textual Data | 2013 | SIGMOD |
| 2 | 5,411 | GTS: GPU-based Tree Index for Fast Similarity Search | 2024 | SIGMOD |
| 3 | 4,352 | Searching Trajectories by Locations - An Efficiency Study | 2010 | SIGMOD |
| 4 | 8,849 | VStream: A Distributed Streaming Vector Search System | 2025 | VLDB |
| 5 | 12,099 | SSTD: A Distributed System on Streaming Spatio-Textual Data | 2020 | VLDB |
| 6 | 12,220 | DITA: A Distributed In-Memory Trajectory Analytics System | 2018 | SIGMOD |
| 7 | 2,196 | DITA: Distributed In-Memory Trajectory Analytics | 2018 | SIGMOD |
| 8 | 6,097 | Trajectory Similarity Join in Spatial Networks | 2017 | VLDB |
| 9 | 7,026 | Real-time Distributed Co-Movement Pattern Detection on Streaming Trajectories | 2019 | VLDB |
| 10 | 2,021 | Distributed Trajectory Similarity Search | 2017 | VLDB |