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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
13499
Venue
VLDB
Year
2023
Pagerank
5.4619615e-05
Overall Rank
8,230 | 43.54%
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
9,880 MEMO: Fine-grained Tensor Management For Ultra-long Context LLM Training 2025 SIGMOD 5.2040783e-05
10,060 TenGraph: A Tensor-Based Graph Query Engine 2024 VLDB 5.166346e-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
93 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00034701237
142 LOF: Identifying Density-Based Local Outliers 2000 SIGMOD 0.0002962566
398 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00019194947
805 Cache locality is not enough: High-Performance Nearest Neighbor Search with Product Quantization Fast Scan 2016 VLDB 0.00013891999
1,080 Elle: Inferring Isolation Anomalies from Experimental Observations 2021 VLDB 0.00012257972
1,234 Large Graph Convolutional Network Training with GPU-Oriented Data Communication Architecture 2021 VLDB 0.00011549432
1,379 Relaxed Operator Fusion for In-Memory Databases: Making Compilation, Vectorization, and Prefetching Work Together At Last 2018 VLDB 0.00010970894
1,805 SAND: Streaming Subsequence Anomaly Detection 2021 VLDB 9.7116108e-05
2,060 Traversing Large Graphs on GPUs with Unified Memory 2020 VLDB 9.2454783e-05
2,346 Series2Graph: Graph-based Subsequence Anomaly Detection for Time Series 2020 VLDB 8.7168932e-05
2,572 DeltaPQ: Lossless Product Quantization Code Compression for High Dimensional Similarity Search 2020 VLDB 8.4027322e-05
2,756 NETS: Extremely Fast Outlier Detection from a Data Stream via Set-Based Processing 2019 VLDB 8.1604054e-05
2,995 Time Series Data Cleaning: From Anomaly Detection to Anomaly Repairing 2017 VLDB 7.8750141e-05
3,031 Interactive Outlier Exploration in Big Data Streams 2014 VLDB 7.8324917e-05
3,135 Real-Time Distance-Based Outlier Detection in Data Streams 2021 VLDB 7.7214053e-05
3,205 On Optimizing Operator Fusion Plans for Large-Scale Machine Learning in SystemML 2018 VLDB 7.6386536e-05
3,874 Tensors: An abstraction for general data processing 2021 VLDB 7.0561161e-05
4,603 The Art of Balance: A RateupDB Experience of Building a CPU/GPU Hybrid Database Product 2021 VLDB 6.6105578e-05
5,480 EMOGI: Efficient Memory-access for Out-of-memory Graph-traversal in GPUs 2021 VLDB 6.2040237e-05
6,109 GraphAn: Graph-based Subsequence Anomaly Detection 2020 VLDB 5.9730493e-05
6,472 PPQ-Trajectory: Spatio-temporal Quantization for Querying in Large Trajectory Repositories 2021 VLDB 5.8700652e-05
7,587 PROUD: PaRallel OUtlier Detection for streams 2020 SIGMOD 5.5908113e-05
8,170 Efficient Discovery of Sequence Outlier Patterns 2019 VLDB 5.4741508e-05
8,227 From Anomaly Detection to Rumour Detection using Data Streams of Social Platforms 2019 VLDB 5.4622609e-05
9,170 A Demonstration of the Exathlon Benchmarking Platform for Explainable Anomaly Detection 2021 VLDB 5.3096515e-05
9,952 Distance-Based Outlier Detection: Consolidation and Renewed Bearing 2010 VLDB 5.191171e-05
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