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TOD: GPU-accelerated Outlier Detection via Tensor Operations

Summary: TOD: first tensor-algebra OD system for distributed multi-GPU, decomposing OD algorithms into a few tensor operators to leverage DL hardware/software. Uses provable quantization (no accuracy loss) and automatic multi-GPU batching to fit memory and scale, giving ~10.9x avg speedup vs PyOD and handling larger datasets. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
hc404f5a90c2a098f
Venue
VLDB
Year
2023
Pagerank
5.3395906e-05
Overall Rank
8,400 | 43.53%
DOI
10.14778/3570690.3570703

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{zhao_vldb23,
        title = {{TOD: GPU-accelerated Outlier Detection via Tensor Operations}},
        author = {Zhao, Yue and Chen, George H. and Jia, Zhih​​ao},
        journal = {PVLDB},
        series = {{VLDB} '23},
        volume = {16},
        number = {3},
        pages = {546--560},
        doi = {10.14778/3570690.3570703},
        url = {https://doi.org/10.14778/3570690.3570703},
        year = {2023}
}

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

Rank Citing Paper Year Venue Pagerank
10,042 MEMO: Fine-grained Tensor Management For Ultra-long Context LLM Training 2025 SIGMOD 5.0921006e-05
10,251 TenGraph: A Tensor-Based Graph Query Engine 2024 VLDB 5.0513876e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 26 of 26 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
74 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00037091678
142 LOF: Identifying Density-Based Local Outliers 2000 SIGMOD 0.00029202746
345 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00020445545
713 Cache locality is not enough: High-Performance Nearest Neighbor Search with Product Quantization Fast Scan 2016 VLDB 0.00014571977
1,102 Elle: Inferring Isolation Anomalies from Experimental Observations 2021 VLDB 0.00012004972
1,224 Large Graph Convolutional Network Training with GPU-Oriented Data Communication Architecture 2021 VLDB 0.000114497
1,341 Relaxed Operator Fusion for In-Memory Databases: Making Compilation, Vectorization, and Prefetching Work Together At Last 2018 VLDB 0.00010968512
1,629 SAND: Streaming Subsequence Anomaly Detection 2021 VLDB 0.00010036401
2,068 Traversing Large Graphs on GPUs with Unified Memory 2020 VLDB 9.0920811e-05
2,375 Series2Graph: Graph-based Subsequence Anomaly Detection for Time Series 2020 VLDB 8.555841e-05
2,448 DeltaPQ: Lossless Product Quantization Code Compression for High Dimensional Similarity Search 2020 VLDB 8.4494625e-05
2,547 NETS: Extremely Fast Outlier Detection from a Data Stream via Set-Based Processing 2019 VLDB 8.3160201e-05
2,907 Real-Time Distance-Based Outlier Detection in Data Streams 2021 VLDB 7.8769563e-05
2,971 Time Series Data Cleaning: From Anomaly Detection to Anomaly Repairing 2017 VLDB 7.7971821e-05
3,043 Interactive Outlier Exploration in Big Data Streams 2014 VLDB 7.7212998e-05
3,101 On Optimizing Operator Fusion Plans for Large-Scale Machine Learning in SystemML 2018 VLDB 7.649219e-05
3,953 Tensors: An abstraction for general data processing 2021 VLDB 6.9027109e-05
4,137 The Art of Balance: A RateupDB Experience of Building a CPU/GPU Hybrid Database Product 2021 VLDB 6.7861661e-05
5,521 EMOGI: Efficient Memory-access for Out-of-memory Graph-traversal in GPUs 2021 VLDB 6.0959947e-05
6,197 GraphAn: Graph-based Subsequence Anomaly Detection 2020 VLDB 5.8527203e-05
6,596 PPQ-Trajectory: Spatio-temporal Quantization for Querying in Large Trajectory Repositories 2021 VLDB 5.7410544e-05
7,730 PROUD: PaRallel OUtlier Detection for streams 2020 SIGMOD 5.4657044e-05
8,344 Efficient Discovery of Sequence Outlier Patterns 2019 VLDB 5.3513288e-05
8,399 From Anomaly Detection to Rumour Detection using Data Streams of Social Platforms 2019 VLDB 5.3397056e-05
9,338 A Demonstration of the Exathlon Benchmarking Platform for Explainable Anomaly Detection 2021 VLDB 5.1911033e-05
10,139 Distance-Based Outlier Detection: Consolidation and Renewed Bearing 2010 VLDB 5.0746983e-05
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