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Akoglu, Leman

  1. Graph-based Anomaly Detection and Description: A Survey
    2014/04/18 by Leman Akoglu, Hanghang Tong, Akoglu, Leman +3 · 16 citations
    Computer Science · Physics and Astronomy · #Anomaly Detection Techniques and Applications #Complex Network Analysis Techniques #Cryptography and Security (cs.CR) #FOS: Computer and information sciences #Network Security and Intrusion Detection #Social and Information Networks (cs.SI)
  2. PairNorm: Tackling Oversmoothing in GNNs
    2019/09/26 by Lingxiao Zhao, Leman Akoglu, Zhao, Lingxiao +1 · 24 citations
    Computer Science · Physics and Astronomy · #Advanced Graph Neural Networks #Complex Network Analysis Techniques #Topic Modeling
  3. From Stars to Subgraphs: Uplifting Any GNN with Local Structure Awareness
    2021/10/07 by Lingxiao Zhao, Wei Jin, Zhao, Lingxiao +5 · 11 citations
    Computer Science · #Advanced Graph Neural Networks #FOS: Computer and information sciences #Graph Theory and Algorithms #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Topic Modeling
  4. Fast Memory-efficient Anomaly Detection in Streaming Heterogeneous Graphs
    2016/02/15 by Manzoor, Emaad A., Momeni, Sadegh, Venkatakrishnan, Venkat N. +1 · 5 citations
    #FOS: Computer and information sciences #Social and Information Networks (cs.SI)
  5. Beyond Homophily in Graph Neural Networks: Current Limitations and Effective Designs
    2020/06/19 by Jiong Zhu, Zhu, Jiong, Yujun Yan +9 · 13 citations
    Computer Science · Physics and Astronomy · #Advanced Graph Neural Networks #Complex Network Analysis Techniques #Stochastic Gradient Optimization Techniques
  6. On Using Classification Datasets to Evaluate Graph-Level Outlier Detection: Peculiar Observations and New Insights
    2020/12/23 by Lingxiao Zhao, Zhao, Lingxiao, Leman Akoglu +1 · 3 citations
    Computer Science · Medicine · #Anomaly Detection Techniques and Applications #Data-Driven Disease Surveillance #FOS: Computer and information sciences #Imbalanced Data Classification Techniques #Machine Learning (cs.LG) #Machine Learning (stat.ML)
  7. EdgeCentric: Anomaly Detection in Edge-Attributed Networks
    2015/10/19 by Shah, Neil, Beutel, Alex, Hooi, Bryan +5 · 2 citations
    #FOS: Computer and information sciences #Information Retrieval (cs.IR) #Social and Information Networks (cs.SI)
  8. Scalable Anomaly Ranking of Attributed Neighborhoods
    2016/01/25 by Perozzi, Bryan, Akoglu, Leman · 2 citations
    #FOS: Computer and information sciences #FOS: Physical sciences #Physics and Society (physics.soc-ph) #Social and Information Networks (cs.SI)
  9. A Practical, Progressively-Expressive GNN
    2022/10/18 by Lingxiao Zhao, Zhao, Lingxiao, Louis Härtel +5 · 3 citations
    Computer Science · Materials Science · #Advanced Graph Neural Networks #FOS: Computer and information sciences #Graph Theory and Algorithms #Machine Learning (cs.LG) #Machine Learning in Materials Science
  10. Explaining Anomalies in Groups with Characterizing Subspace Rules
    2017/08/20 by Meghanath Macha, Macha, Meghanath, Leman Akoglu +1 · 2 citations
    Computer Science · #Anomaly Detection Techniques and Applications #FOS: Computer and information sciences #Imbalanced Data Classification Techniques #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Network Security and Intrusion Detection
  11. D.MCA: Outlier Detection with Explicit Micro-Cluster Assignments
    2022/10/15 by Shuli Jiang, Robson L. F. Cordeiro, Jiang, Shuli +3 · 3 citations
    Computer Science · #Anomaly Detection Techniques and Applications #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Network Security and Intrusion Detection #Video Surveillance and Tracking Methods
  12. AutoAudit: Mining Accounting and Time-Evolving Graphs
    2020/11/01 by Lee, Meng-Chieh, Zhao, Yue, Wang, Aluna +4 · 2 citations
    #FOS: Computer and information sciences #Social and Information Networks (cs.SI)
  13. On the Detection of Reviewer-Author Collusion Rings From Paper Bidding
    2024/02/12 by Steven Jecmen, Nihar B. Shah, Jecmen, Steven +5 · 3 citations
    Computer Science · Social Sciences · #Academic integrity and plagiarism #Artificial Intelligence (cs.AI) #Authorship Attribution and Profiling #Computer Science and Game Theory (cs.GT) #FOS: Computer and information sciences #Social and Information Networks (cs.SI)
  14. Toward Unsupervised Outlier Model Selection
    2022/11/03 by Yue Zhao, Zhao, Yue, Sean X. Zhang +3 · 2 citations
    Computer Science · Engineering · #Anomaly Detection Techniques and Applications #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning and Data Classification #Water Systems and Optimization
  15. Descriptive Kernel Convolution Network with Improved Random Walk Kernel
    2024/02/08 by Lee, Meng-Chieh, Zhao, Lingxiao, Akoglu, Leman · 3 citations
    #FOS: Computer and information sciences #Machine Learning (cs.LG)
  16. Less is More: Building Selective Anomaly Ensembles
    2015/01/08 by Shebuti Rayana, Leman Akoglu, Rayana, Shebuti +1 · 1 citation
    Computer Science · Medicine · Physics and Astronomy · #Anomaly Detection Techniques and Applications #Complex Network Analysis Techniques #Data-Driven Disease Surveillance #Databases (cs.DB) #FOS: Computer and information sciences #Machine Learning (cs.LG)
  17. Where Graph Topology Matters: The Robust Subgraph Problem
    2015/01/08 by Hau Chan, Chan, Hau, Shuchu Han +3 · 1 citation
    Computer Science · #Advanced Graph Theory Research #Data Structures and Algorithms (cs.DS) #FOS: Computer and information sciences #Network Packet Processing and Optimization #Social and Information Networks (cs.SI)
  18. BIRDNEST: Bayesian Inference for Ratings-Fraud Detection
    2015/11/19 by Hooi, Bryan, Shah, Neil, Beutel, Alex +5 · 1 citation
    #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Social and Information Networks (cs.SI)
  19. Sequential Ensemble Learning for Outlier Detection: A Bias-Variance\n Perspective
    2016/09/18 by Shebuti Rayana, Rayana, Shebuti, Wen Zhong +3 · 1 citation
    Computer Science · #Anomaly Detection Techniques and Applications #Adversarial Robustness in Machine Learning #Image and Object Detection Techniques
  20. Ties That Bind - Characterizing Classes by Attributes and Social Ties
    2017/01/31 by Aria Rezaei, Rezaei, Aria, Bryan Perozzi +3 · 1 citation
    Computer Science · Physics and Astronomy · #Complex Network Analysis Techniques #Computational Drug Discovery Methods #FOS: Computer and information sciences #FOS: Physical sciences #Information Retrieval (cs.IR) #Physics and Society (physics.soc-ph) #Social and Information Networks (cs.SI) #Text and Document Classification Technologies
  21. Incorporating Privileged Information to Unsupervised Anomaly Detection
    2018/05/06 by Shekhar, Shubhranshu, Akoglu, Leman · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML)
  22. Statistical Analysis of Nearest Neighbor Methods for Anomaly Detection
    2019/07/08 by Xiaoyi Gu, Leman Akoglu, Gu, Xiaoyi +3 · 1 citation
    Computer Science · Mathematics · Medicine · #Advanced Statistical Methods and Models #Anomaly Detection Techniques and Applications #Data-Driven Disease Surveillance #FOS: Computer and information sciences #FOS: Mathematics #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Statistics Theory (math.ST)
  23. A Quest for Structure: Jointly Learning the Graph Structure and Semi-Supervised Classification
    2019/09/26 by Xuan Wu, Lingxiao Zhao, Wu, Xuan +3 · 1 citation
    Computer Science · #Domain Adaptation and Few-Shot Learning #FOS: Computer and information sciences #Face and Expression Recognition #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Machine Learning and Data Classification #Social and Information Networks (cs.SI)
  24. Coverage-based Outlier Explanation
    2019/11/06 by Wu, Yue, Akoglu, Leman, Davidson, Ian · 1 citation
    #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Machine Learning (cs.LG)
  25. Connecting Graph Convolutional Networks and Graph-Regularized PCA
    2020/06/22 by Zhao, Lingxiao, Akoglu, Leman · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML)
  26. Automating Outlier Detection via Meta-Learning
    2020/09/22 by Yue Zhao, Ryan A. Rossi, Zhao, Yue +3 · 1 citation
    Computer Science · Engineering · #Anomaly Detection Techniques and Applications #FOS: Computer and information sciences #Information Retrieval (cs.IR) #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Machine Learning and Data Classification #Water Systems and Optimization
  27. Anomaly Detection in Large Labeled Multi-Graph Databases
    2020/10/07 by Hung T. Nguyen, Pierre Jinghong Liang, Nguyen, Hung T. +3 · 1 citation
    Computer Science · #Advanced Graph Neural Networks #Anomaly Detection Techniques and Applications #Artificial Intelligence (cs.AI) #Databases (cs.DB) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Network Security and Intrusion Detection
  28. A Large-scale Study on Unsupervised Outlier Model Selection: Do Internal Strategies Suffice?
    2021/04/03 by Ma, Martin Q., Zhao, Yue, Zhang, Xiaorong +1 · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG)
  29. Mitra: Mixed Synthetic Priors for Enhancing Tabular Foundation Models
    2025/10/24 by Zhang, Xiyuan, Maddix, Danielle C., Yin, Junming +11 · 8 citations
    #FOS: Computer and information sciences #Machine Learning (cs.LG)
  30. Fast Attributed Graph Embedding via Density of States
    2021/10/11 by Sawlani, Saurabh, Zhao, Lingxiao, Akoglu, Leman · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML)
  31. The Politics of Routing: Investigating the Relationship Between AS\n Connectivity and Internet Freedom
    2016/06/07 by Rachee Singh, Singh, Rachee, Hyungjoon Koo +9 · 1 citation
    Computer Science · Engineering · Physics and Astronomy · Social Sciences · #Computers and Society (cs.CY) #FOS: Computer and information sciences #ICT Impact and Policies #Internet Traffic Analysis and Secure E-voting #Network Security and Intrusion Detection #Networking and Internet Architecture (cs.NI) #Opinion Dynamics and Social Influence #Social Media and Politics
  32. Summarizing Labeled Multi-Graphs
    2022/06/15 by Berberidis, Dimitris, Liang, Pierre J., Akoglu, Leman · 1 citation
    #Databases (cs.DB) #FOS: Computer and information sciences #Social and Information Networks (cs.SI)
  33. Hyperparameter Sensitivity in Deep Outlier Detection: Analysis and a Scalable Hyper-Ensemble Solution
    2022/06/15 by Xueying Ding, Lingxiao Zhao, Ding, Xueying +3 · 1 citation
    Computer Science · Engineering · #Anomaly Detection Techniques and Applications #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning and Data Classification #Methodology (stat.ME) #Water Systems and Optimization
  34. Graph Anomaly Detection with Unsupervised GNNs
    2022/10/18 by Lingxiao Zhao, Zhao, Lingxiao, Saurabh Sawlani +5 · 1 citation
    Computer Science · Decision Sciences · Physics and Astronomy · #Advanced Graph Neural Networks #Complex Network Analysis Techniques #Data Quality and Management #FOS: Computer and information sciences #Machine Learning (cs.LG) #Social and Information Networks (cs.SI)
  35. Hyperparameter Optimization for Unsupervised Outlier Detection
    2022/08/24 by Zhao, Yue, Akoglu, Leman · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG)
  36. DSV: An Alignment Validation Loss for Self-supervised Outlier Model Selection
    2023/07/13 by Yoo, Jaemin, Zhao, Yue, Zhao, Lingxiao +1 · 1 citation
    #FOS: Computer and information sciences #Machine Learning (cs.LG)
  37. Unified Discrete Diffusion for Categorical Data
    2024/02/06 by Lingxiao Zhao, Zhao, Lingxiao, Xueying Ding +5 · 1 citation
    Computer Science · Mathematics · #FOS: Computer and information sciences #Image and Signal Denoising Methods #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Mathematical Analysis and Transform Methods
  38. Uncertainty-aware Human Mobility Modeling and Anomaly Detection
    2024/10/02 by Haomin Wen, Wen, Haomin, Cao, Shurui +3 · 1 citation
    Computer Science · Social Sciences · #Anomaly Detection Techniques and Applications #Artificial Intelligence (cs.AI) #Context-Aware Activity Recognition Systems #FOS: Computer and information sciences #Human Mobility and Location-Based Analysis #Machine Learning (cs.LG)