Virtual Session Papers

Session 1: Graphs, Networks, and Semistructured Data (I)

Verification-Free Approaches to Efficient Locally Densest Subgraph Discovery

Tran Ba Trung (Hanoi University of Science and Technology); Lijun Chang (The University of Sydney)*; Nguyen Tien Long (Hanoi University of Science and Technology); Kai Yao (The University of Sydney); Huynh Thi Thanh Binh (Hanoi University of Science and Technology)

A Reachability Index for Recursive Label-Concatenated Graph Queries

Chao Zhang (University of Waterloo)*; Angela Bonifati (Univ. of Lyon); Hugo Kapp (Oracle); Vlad Haprian (Oracle); Jean-Pierre Lozi (Inria)

MMKGR: Multi-hop Multi-modal Knowledge Graph Reasoning

Shangfei Zheng (Soochow University)*; Weiqing Wang (Monash University); Jianfeng Qu (Soochow University); Hongzhi Yin (The University of Queensland); Wei Chen (Soochow University); Lei Zhao (Soochow University)

Explainable Hyperlink Prediction: A Hypergraph Edit Distance-Based Approach

Hongchao Qin (Beijing Institute of Technology); Ronghua Li (Beijing Institute of Technology); Ye Yuan ( Beijing Institute of Technology); Guoren Wang (Beijing Institute of Technology)*; Yongheng Dai (Diankeyun Technologies Co. , Ltd.)

Finer-Grained Engagement in Hypergraphs

Qi Luo (Shandong University)*; Dongxiao Yu (Shandong University); Yu Liu (Shandong University); Yanwei Zheng (Shandong University); Xiuzhen Cheng (Shandong University); Xuemin Lin (Shanghai Jiao Tong University)

Discovering Frequency Bursting Patterns in Temporal Graphs

Qianzhen Zhang (National University of Defense Technology)*; Deke Guo (NUDT); Xiang Zhao (National University of Defence Technology); Long Yuan (Nanjing University of Science and Technology); Lailong Luo (National University of Defense Technology)

Session 2: Data Mining and Knowledge Discovery (I)

DBAugur: An Adversarial-based Trend Forecasting System for Diversified Workloads

Yuanning Gao (Shanghai Jiao Tong University); Xiuqi Huang (Shanghai Jiao Tong University); Xuanhe Zhou (Tsinghua); Xiaofeng Gao (Shanghai Jiaotong University)*; Guoliang Li (Tsinghua University); Guihai Chen (Shanghai Jiao Tong University)

Sequential Recommendation with User Causal Behavior Discovery

Zhenlei Wang (Renmin university of China); Xu Chen (Renmin University of China)*; Rui Zhou (Renmin University of China); Quanyu Dai (Noah’s Ark Lab, Huawei); Zhenhua Dong (Huawei Noah’s Ark Lab); Ji-Rong Wen (Renmin University of China)

Jointly Attacking Graph Neural Network and its Explanations

Wenqi FAN (The Hong Kong Polytechnic University)*; Han Xu (Michigan State University); Wei Jin (Michigan State University); Xiaorui Liu (North Carolina State University); Xianfeng Tang (Amazon); Suhang Wang (Pennsylvania State University); Qing Li (The Hong Kong Polytechnic University ); Jiliang Tang (Michigan State University); Jianping Wang (City University of Hong Kong); Charu Aggarwal (IBM)

Leopard: A Black-Box Approach for Efficiently Verifying Various Isolation Levels

Li Keqiang (East China Normal University)*; Siyang Weng (East China Normal University); Peiyuan Liu (East China Normal University); Lyu Ni (East China Normal University); Chengcheng Yang (KAUST); Rong Zhang (East China Normal University); Xuan Zhou (East China Normal University); Jianghang Lou (Alibaba); Gui Huang (Alibaba Inc.); Weining Qian (East China Normal University); Aoying Zhou (East China Normal University )

Bayesian Negative Sampling for Recommendation

Bin Liu (Huazhong University of Science and Technology); Bang Wang (Huazhong University of Science and Technology (HUST))*

Personalized Diversification for Neural Re-ranking in Recommendation

Weiwen Liu (Huawei Noah’s Ark Lab)*; Yunjia Xi (Shanghai Jiao Tong University); Jiarui Qin ( Shanghai Jiao Tong University); Xinyi Dai (Shanghai Jiao Tong University); Ruiming Tang (Huawei Noah’s Ark Lab); Shuai Li (Shanghai Jiao Tong University); Weinan Zhang (Shanghai Jiao Tong University); Rui Zhang (ruizhang.info)

Session 3: Industry Track

MAMDR: A Model Agnostic Learning Framework for Multi-Domain Recommendation

Linhao Luo (Monash University)*; Yumeng Li (Alibaba Group); Bu yu gao (Alibaba); Shuai Tang (Independent Researcher); Sinan Wang (Alibaba Group); Jiancheng Li (Alibaba Group); Tanchao Zhu (Alibaba Group); Jiancai Liu (Alibaba Group); Li Zhao (Zhejiang University); Shirui Pan (Griffith University)

ResuFormer: Semantic Structure Understanding for Resumes via Multi-modal Pre-training

Kaichun Yao (Baidu)*; Jingshuai Zhang (Baidu); Chuan Qin (Baidu); Xin Song (Baidu Inc.); Peng Wang (Baidu Inc.); Hengshu Zhu (Baidu); Hui Xiong (Hong Kong University of Science and Tech)

Learned Probing Cardinality Estimation for High-Dimensional Approximate NN Search

Bolong Zheng (Huazhong University of Science and Technology)*; ziyang yue (Huazhong University of Science and Technology); Qi Hu (Huazhong University of Science and Technology); Xiaomeng Yi (Zhejiang Lab); Xiaofan Luan (ZilliZ); Charles Xie (Zilliz); Xiaofang Zhou (The Hong Kong University of Science and Technology); Christian S Jensen (Aalborg University)

Attention Weighted Mixture of Experts with Contrastive Learning for Personalized Ranking in E-commerce

Zhen-Lin Chen (JD.com)*

Sim2Rec: A Simulator-based Decision-Making Approach to Optimize Real-World Long-term User Engagement in Sequential Recommender Systems

Xiong-Hui Chen (Nanjing University)*; Bowei He (City University of Hong Kong); Yang Yu (Nanjing University); Qingyang Li (Didi Research America); Zhiwei (Tony) Qin (Lyft); Wenjie Shang (AI Labs, Didi Chuxing); Jieping Ye (Didi Chuxing); Chen Ma (City University of Hong Kong)

Delivery Time Prediction Using Large-Scale Graph Structure Learning Based on Quantile Regression

Lei Zhang (Shandong University)*; Xin Zhou (Nanyang Technological University); Zhiwei Zeng (Nanyang Technological University); Yiming Cao (Shandong University); Yonghui Xu (Shandong University); Mingliang Wang (Alibaba Group); xingyu wu (Alibaba Group); Yong Liu (Nanyang Technological University); Lizhen Cui (ShanDong University); Zhiqi Shen (NTU

Session 4: Graphs, Networks, and Semistructured Data (II)

When Spatio-Temporal Meet Wavelets: Disentangled Traffic Forecasting via Efficient Spectral Graph Attention Networks

Yuchen Fang (Beijing University of Posts and Telecommunications)*; Yanjun Qin (Beijing University of Posts and Telecommunications); Haiyong Luo (Research Center for Ubiquitous Computing Systems, Institute of Computing Technology, Chinese Academy of Sciences); Fang Zhao (School of Software Engineering, Beijing University of Posts and Telecommunications); Bingbing Xu ( Institute of Computing Technology,University of Chinese Academy of Sciences); Liang Zeng (Tsinghua University); Chenxing Wang (Beijing University of Posts and Telecommunications)

Neighborhood Skyline on Graphs: Concepts, Algorithms and Applications

Qi Zhang (Beijing Institute of Technology)*; Ronghua Li (Beijing Institute of Technology); Hongchao Qin (Beijing Institute of Technology); Yongheng Dai (Diankeyun Technologies Co. , Ltd.); Ye Yuan ( Beijing Institute of Technology); Guoren Wang (Beijing Institute of Technology)

Minimizing the Influence of Misinformation via Vertex Blocking

Jiadong Xie (University of New South Wales); Fan Zhang (Guangzhou University)*; Kai Wang (Shanghai Jiao Tong University); Xuemin Lin (University of New South Wales); Wenjie Zhang (University of New South Wales)

Efficiently Answering Quality Constrained Shortest Distance Queries in Large Graphs

You Peng (University of New South Wales)*; Zhuo Ma (University of New South Wales ); Wenjie Zhang (University of New South Wales); Xuemin Lin (University of New South Wales); Ying Zhang (University of Technology Sydney); Xiaoshuang Chen (University of New South Wales)

Optimizing Graph Partition by Optimal Vertex-Cut: A Holistic Approach

Wenwen Qu (East China Norm University)*; Weixi Zhang (Huawei Technologies Co., Ltd); Ji Cheng (Huawei Technologies Co., Ltd); Chaorui Zhang (HUAWEI); Wei Han (Huawei Technologies Co., Ltd); Bo Bai (Huawei Technologies Co., Ltd); Chen Zhang (The Hong Kong Polytechnic University); Liang He (ECNU); Xiaoling Wang (East China Normal University)

Session 5: Data Mining and Knowledge Discovery (II)

Group Buying Recommendation Model Based on Multi-task Learning

Shuoyao Zhai (Fudan University); Baichuan Liu (Fudan University); Deqing Yang (Fudan University)*; Yanghua Xiao (Fudan University)

Incremental Learning for Multi-Interest Sequential Recommendation

Zhikai Wang (shanghai jiao tong unversity); Yanyan Shen (Shanghai Jiao Tong University)*

DBCatcher: A Cloud Database Online Anomaly Detection System based on Indicator Correlation

Guangyu Zhang (Huazhong University of Science and Technology)*; Chunhua Li (Huazhong University of Science and Technology); Ke Zhou (Huazhong University of Science and Technology); Li Liu (Huazhong University of Science and Technology); Ce Zhang (ETH); Wancheng Chen (Huazhong University of Science and Technology); Haotian Fang (Huazhong University of Science and Technology); Bin Cheng (Tencent); Jie Yang (tencent); Jiashu Xing (tencent)

Towards Long-Term Time-Series Forecasting: Feature, Pattern, and Distribution

Yan Li (Zhejiang university); Xinjiang Lu (Baidu Inc.)*; Haoyi Xiong (Baidu Research); Tang jian (Department of Energy and Power Engineering, Tsinghua University, Beijing); su jiantao (China Longyuan Power Group Corporation Limited); Bo Jin (Dalian University of Technology); Dejing Dou (Baidu)

Online Pricing Strategy Achieving Vanishing Regret for Shipping Container Pricing with Limited Inventory

Yucen Gao (Shanghai Jiao Tong University); Xikai Wei (Shanghai Jiao Tong University); Xi Jing (Shanghai Jiao Tong University); Yangguang Shi (Shandong University); Xiaofeng Gao (Shanghai Jiaotong University)*; Guihai Chen (Shanghai Jiao Tong University)

Hop-Constrained s-t Simple Path Enumeration on Large Dynamic Graphs

Jiujing Zhang (Guangzhou University); Shiyu Yang (Guangzhou University)*; Dian Ouyang (Guangzhou University); Fan Zhang (Guangzhou University); Xuemin Lin (Shanghai Jiao Tong University); Long Yuan (Nanjing University of Science and Technology)

Session 6: Query Processing

SketchConf: A Framework for Automatic Sketch Configuration

Ruijie Miao (Peking University)*; Fenghao Dong (Peking University); Yikai Zhao (Peking University); Yiming Zhao (Peking University); Yuhan Wu (Peking University); Kaicheng Yang (Peking University); Tong Yang (Peking University); Bin Cui (Peking University)

SASPAR: Shared Adaptive Stream Partitioning

Jeyhun Karimov (Huawei)*; Hans-Arno Jacobsen (University of Toronto)

PrivNUD: Effective Range Query Processing under Local Differential Privacy

Ning Wang (Ocean University of China)*; Yaohua Wang (Ocean University of China); Zhigang Wang (Ocean University of China); Jie Nie (Ocean University of China); Zhiqiang Wei (Ocean University of China); Peng Tang (Shandong University); Yu Gu (Northeastern University); Ge Yu (Northeast University)

Double Hierarchical Labeling Shortest Distance Querying in Time-dependent Road Networks

Tangpeng Dan (School of Information, Renmin University of China)*; Xiao Pan (Shijiazhuang Tiedao University); Bolong Zheng (Huazhong University of Science and Technology); Xiaofeng Meng (Renmin University of China)

Unsupervised Graph Outlier Detection: Problem Revisit, New Insight, and Superior Method

Yihong Huang (East China Normal University); Liping Wang (ECNU)*; Fan Zhang (Guangzhou University); Xuemin Lin (University of New South Wales)

Selecting Sub-tables for Data Exploration

Kathy Razmadze (Tel Aviv University)*; Yael Amsterdamer (Bar-Ilan university ); Susan B Davidson (University of Pennsylvania); Tova Milo (Tel Aviv University); Amit Somech (Bar-Ilan University)

Session 7: Graphs, Networks, and Semistructured Data (III)

Efficiently Sampling and Estimating Hypergraphs By Hybrid Random Walk

Lingling Zhang (Beijing Institute of Technology)*; Zhiwei Zhang (Beijing Institute of Technology); Guoren Wang (Beijing Institute of Technology); Ye Yuan ( Beijing Institute of Technology)

Fairness-aware Maximal Biclique Enumeration on Bipartite Graphs

Ziqi Yin (Nanyang Technological University); Qi Zhang (Beijing Institute of Technology); Wentao Zhang (Peking University); Ronghua Li (Beijing Institute of Technology)*; Guoren Wang (Beijing Institute of Technology)

Experimental Evaluation of Indexing Techniques for Shortest Distance Queries on Road Networks

Shikha Anirban (Griffith University)*; Junhu Wang (Griffith University, australia); Saiful Islam (Griffith University)

Index-Based Biclique Percolation Communities Search on Bipartite graphs

Yiwei Zhao (East Normal China University); Zi Chen (East China Normal University)*; Long Yuan (Nanjing University of Science and Technology); Xuemin Lin (University of New South Wales); Kai Wang (Shanghai Jiao Tong University)

Selecting Sub-tables for Data Exploration

Kathy Razmadze (Tel Aviv University)*; Yael Amsterdamer (Bar-Ilan university ); Susan B Davidson (University of Pennsylvania); Tova Milo (Tel Aviv University); Amit Somech (Bar-Ilan University)

HGMatch: A Match-by-Hyperedge Framework for Efficient and Parallel Subhypergraph Matching

Zhengyi Yang (University of New South Wales)*; Wenjie Zhang (University of New South Wales); Xuemin Lin (Antai College of Economics & Management, Shanghai Jiao Tong University); Ying Zhang (University of Technology Sydney); Shunyang Li (University of New South Wales)

Session 8: Data Visualization, Data Integration and Blockchain (I)

Data Imputation for Sparse Radio Maps in Indoor Positioning

Xiao Li (Roskilde University)*; Huan Li (Aalborg University); Harry Kai-Ho Chan (The University of Sheffield); Hua Lu (Roskilde University); Christian S Jensen (Aalborg University)

Visualization Recommendation Through Visual Relation Learning and Visual Preference Learning

Daomin Ji (RMIT); Hui Luo (RMIT University); Zhifeng Bao (RMIT University)*

Learn to Explore: on Bootstrapping Interactive Data Exploration with Meta-learning Learning

Yukun Cao (USTC)*; Xike Xie (University of Science and Technology of China); Kexin Huang (USTC)

On Sharding Across Heterogeneous Blockchains

Yuechen Tao (HKUST)*; Bo Li (Hong Kong University of Science and Technology); Baochun Li (University of Toronto)

SChain: Scalable Concurrency over Flexible Permissioned Blockchain

Xiaodong Qi (East China Normal University); Zhihao Chen (East China Normal University); Haizhen Zhuo (Ant Group); Quanqing Xu (OceanBase); Chengyu Zhu (East China Normal University); Zhao Zhang (East China Normal University)*; Cheqing Jin (East China Normal University); Aoying Zhou (East China Normal University ); Ying Yan (Ant Group); Hui Zhang (Ant Group)

Scaling Blockchain Consensus via a Robust Shared Mempool

Fangyu Gai (University of British Columbia)*; Jianyu Niu (Southern University of Science and Technolkogy); Ivan Beschastnikh (University of British Columbia); Chen Feng (University of British Columbia); Sheng Wang (Alibaba Group)

Session 9: AI for Database Systems

Learning from Noisy Crowd Labels with Logics

Zhijun Chen (Beihang University)*; Jie Yang (TU Delft); Haoqian He (Beihang University); Hailong Sun (Beihang University, China); Pengpeng Chen (China’s aviation system engineering research institute)

TSC-AutoML: Meta-learning for automatic Time Series Classification Algorithm Selection

TianYu Mu (Harbin Institute of Technology); Hongzhi Wang (Harbin Institute of Technology)*; ShengHe Zheng (Harbin Institute of Technology); Zhiyu Liang (Harbin Institute of Technology); Chunnan Wang (HIT); Xinyue Shao (Harbin Institute of Technology); Zheng Liang (Harbin Institute of Technology)

Intent-aware Multi-source Contrastive Alignment for Tag-enhanced Recommendation

Haolun Wu (McGill University)*; Yingxue Zhang (Huawei Noah’s Ark Lab); Chen Ma (City University of Hong Kong); Wei Guo (Huawei Noah’s Ark Lab); Ruiming Tang (Huawei Noah’s Ark Lab); Xue Liu (McGill University); Mark Coates (McGill University)

Reinforcement Learning based Tree Decomposition for Distance Querying in Road Networks

Bolong Zheng (Huazhong University of Science and Technology)*; Yong Ma (Huazhong University of Science and Technology); Jingyi Wan (Huazhong University of Science and Technology); yongyong gao (Huazhong University of Science and Technology); Kai Huang (HKUST); Xiaofang Zhou (The Hong Kong University of Science and Technology); Christian S Jensen (Aalborg University)

Dynamic Hypergraph Structure Learning for Traffic Flow Forecasting

Yusheng Zhao (Peking University)*; Xiao Luo (UCLA); Wei Ju (Peking University); Chong Chen (Peking University); Xian-Sheng Hua (Terminus Group); Ming Zhang (Peking University)

Couper: Memory-Efficient Cardinality Estimation under Unbalanced Distribution

Xun Song (NanJing University)*; Jiaqi Zheng (Nanjing University); Hao Qian (Nanjing University); Shiju Zhao (Nanjing University); hongxuan Zhang (NanJing University); xuntao Pan (NanJing University); Guihai Chen (Nanjing University)

Session 10: Virtual Demo

An Efficient Generative Data Imputation Toolbox with Adversarial Learning

Yangyang Wu (Zhejiang University); Xiaoye Miao (Zhejiang University)*; Zilinghan Li (Zhejiang University); Shilan He (Zhejiang University); Xinkai Yuan (Zhejiang University); Jianwei Yin (Zhejiang University)

DaRAV: A Tool for Visualizing De-Anonymization Risks

Emmanouil Adamakis (Foundation for Research and Technology Hellas)*; Michael Boch (Research Studios Austria Forschungsgesellschaft mbH); Alexandros Bampoulidis (Vienna Reading Center, Department of Ophthalmology, Medical University of Vienna); George Margetis (FORTH-ICS); Stefan Gindl (Research Studios Austria Forschungsgesellschaft mbH); Constantine Stephanidis (FORTH-ICS)

Traveling Back in Time: A Visual Debugger for Stream Processing Applications

Timo Räth (TU Ilmenau)*