Web and Big Data: 4th International Joint Conference, APWeb-WAIM 2020, Tianjin, China, September 18-20, 2020, Proceedings, Part II (Information Systems ... incl. Internet/Web, and HCI Book 12318)

This two-volume set, LNCS 11317 and 12318, constitutes the thoroughly refereed proceedings of the 4th International Joint Conference, APWeb-WAIM 2020, held in Tianjin, China, in September 2020. Due to the COVID-19 pandemic the conference was organizedas a fully online conference. The 42 full papers presented together with 17 short papers, and 6 demonstration papers were carefully reviewed and selected from 180 submissions. The papers are organized around the following topics: Big Data Analytics; Graph Data and Social Networks; Knowledge Graph; Recommender Systems; Information Extraction and Retrieval; Machine Learning; Blockchain; Data Mining; Text Analysis and Mining; Spatial, Temporal and Multimedia Databases; Database Systems; and Demo. Front Matter ....Pages i-xxiv Front Matter ....Pages 1-1 DHBFT: Dynamic Hierarchical Byzantine Fault-Tolerant Consensus Mechanism Based on Credit (Fengqi Li, Kemeng Liu, Jing Liu, Yonggang Fan, Shengfa Wang)....Pages 3-17 MaSRChain: A Trusted Manuscript Submission and Review System Based on Blockchain (Fengqi Li, Kemeng Liu, Haoyu Wu, Xu Zhang)....Pages 18-26 Enabling Efficient Multi-keyword Search Over Fine-Grained Authorized Healthcare Blockchain System (Yicheng Ding, Wei Song, Yuan Shen)....Pages 27-41 Front Matter ....Pages 43-43 Debiasing Learning to Rank Models with Generative Adversarial Networks (Hui Cai, Chengyu Wang, Xiaofeng He)....Pages 45-60 An Effective Constraint-Based Anomaly Detection Approach on Multivariate Time Series (Zijue Li, Xiaoou Ding, Hongzhi Wang)....Pages 61-69 A Method for Decompensation Prediction in Emergency and Harsh Situations (Guozheng Rao, Shuying Zhao, Li Zhang, Qing Cong, Zhiyong Feng)....Pages 70-84 Improved Brain Segmentation Using Pixel Separation and Additional Segmentation Features (Afifa Khaled, Chung-Ming Own, Wenyuan Tao, Taher Ahmed Ghaleb)....Pages 85-100 Evaluating Fault Tolerance of Distributed Stream Processing Systems (Xiaotong Wang, Cheng Jiang, Junhua Fang, Ke Shu, Rong Zhang, Weining Qian et al.)....Pages 101-116 Predicting Human Mobility with Self-attention and Feature Interaction (Jingang Jiang, Shuo Tao, Defu Lian, Zhenya Huang, Enhong Chen)....Pages 117-131 Predicting Adverse Drug-Drug Interactions via Semi-supervised Variational Autoencoders (Meihao Hou, Fan Yang, Lizhen Cui, Wei Guo)....Pages 132-140 Smarter Smart Contracts: Efficient Consent Management in Health Data Sharing (Mira Shah, Chao Li, Ming Sheng, Yong Zhang, Chunxiao Xing)....Pages 141-155 Joint Learning-Based Anomaly Detection on KPI Data (Yongqin Huang, Yijie Wang, Li Cheng)....Pages 156-163 Parallel Variable-Length Motif Discovery in Time Series Using Subsequences Correlation (Chuitian Rong, Lili Chen, Chunbin Lin, Chao Yuan)....Pages 164-175 Learning Ability Community for Personalized Knowledge Tracing (Juntao Zhang, Biao Li, Wei Song, Nanzhou Lin, Xiandi Yang, Zhiyong Peng)....Pages 176-192 LOCATE: Locally Anomalous Behavior Change Detection in Behavior Information Sequence (Dingshan Cui, Lei Duan, Xinao Wang, Jyrki Nummenmaa, Ruiqi Qin, Shan Xiao)....Pages 193-208 Hyperthyroidism Progress Prediction with Enhanced LSTM (Haiqin Lu, Mei Wang, Weiliang Zhao, Tingwei Su, Jian Yang)....Pages 209-217 Front Matter ....Pages 219-219 DeepStyle: User Style Embedding for Authorship Attribution of Short Texts (Zhiqiang Hu, Roy Ka-Wei Lee, Lei Wang, Ee-peng Lim, Bo Dai)....Pages 221-229 Densely-Connected Transformer with Co-attentive Information for Matching Text Sequences (Minxu Zhang, Yingxia Shao, Kai Lei, Yuesheng Zhu, Bin Cui)....Pages 230-244 WEKE: Learning Word Embeddings for Keyphrase Extraction (Yuxiang Zhang, Huan Liu, Bei Shi, Xiaoli Li, Suge Wang)....Pages 245-260 Contribution of Improved Character Embedding and Latent Posting Styles to Authorship Attribution of Short Texts (Wenjing Huang, Rui Su, Mizuho Iwaihara)....Pages 261-269 Utilizing BERT Pretrained Models with Various Fine-Tune Methods for Subjectivity Detection (Hairong Huo, Mizuho Iwaihara)....Pages 270-284 A Framework for Learning Cross-Lingual Word Embedding with Topics (Xiaoya Peng, Dong Zhou)....Pages 285-293 Paperant: Key Elements Generation with New Ideas (Xin He, Jiuyang Tang, Zhen Tan, Zheng Yu, Xiang Zhao)....Pages 294-308 Turn-Level Recurrence Self-attention for Joint Dialogue Action Prediction and Response Generation (Yanxin Tan, Zhonghong Ou, Kemeng Liu, Yanan Shi, Meina Song)....Pages 309-316 Mining Affective Needs from Online Opinions for Design Innovation (Danping Jia, Jian Jin)....Pages 317-324 Front Matter ....Pages 325-325 Multi-grained Cross-modal Similarity Query with Interpretability (Mingdong Zhu, Derong Shen, Lixin Xu, Gang Ren)....Pages 327-341 Efficient Semantic Enrichment Process for Spatiotemporal Trajectories in Geospatial Environment (Jingjing Han, Mingyu Liu, Genlin Ji, Bin Zhao, Richen Liu, Ying Li)....Pages 342-350 On the Vulnerability and Generality of K–Anonymity Location Privacy Under Continuous LBS Requests (Hanbo Dai, Hui Li, Xue Meng, Yingxue Wang)....Pages 351-359 Fine-Grained Urban Flow Prediction via a Spatio-Temporal Super-Resolution Scheme (Rujia Shen, Jian Xu, Qing Bao, Wei Li, Hao Yuan, Ming Xu)....Pages 360-375 Detecting Abnormal Congregation Through the Analysis of Massive Spatio-Temporal Data (Tianran Chen, Yongzheng Zhang, Yupeng Tuo, Weiguang Wang)....Pages 376-390 SSMDL: Semi-supervised Multi-task Deep Learning for Transportation Mode Classification and Path Prediction with GPS Trajectories (Asif Nawaz, Zhiqiu Huang, Senzhang Wang)....Pages 391-405 Front Matter ....Pages 407-407 GHSH: Dynamic Hyperspace Hashing on GPU (Zhuo Ren, Yu Gu, Chuanwen Li, FangFang Li, Ge Yu)....Pages 409-424 A Unified Framework for Processing Exact and Approximate Top-k Set Similarity Join (Cihai Sun, Hongya Wang, Yingyuan Xiao, Zhenyu Liu)....Pages 425-440 Quantitative Contention Generation for Performance Evaluation on OLTP Databases (Chunxi Zhang, Rong Zhang, Weining Qian, Ke Shu, Aoying Zhou)....Pages 441-456 Pipelined Query Processing Using Non-volatile Memory SSDs (Xinyu Liu, Yu Pan, Wenxiu Fang, Rebecca J. Stones, Gang Wang, Yusen Li et al.)....Pages 457-472 Sorting-Based Interactive Regret Minimization (Jiping Zheng, Chen Chen)....Pages 473-490 Tool Data Modeling Method Based on an Object Deputy Model (Qianwen Luo, Chen Chen, Song Wang, Rongrong Li, Yuwei Peng)....Pages 491-499 Unsupervised Deep Hashing with Structured Similarity Learning (Xuanrong Pang, Xiaojun Chen, Shu Yang, Feiping Nie)....Pages 500-514 Front Matter ....Pages 515-515 A New CPU-FPGA Heterogeneous gStore System (Xunbin Su, Yinnian Lin, Lei Zou)....Pages 517-522 Euge: Effective Utilization of GPU Resources for Serving DNN-Based Video Analysis (Qihang Chen, Guangyao Ding, Chen Xu, Weining Qian, Aoying Zhou)....Pages 523-528 Blockchain PG: Enabling Authenticated Query and Trace Query in Database (Qingxing Guo, Sijia Deng, Lei Cai, Yanchao Zhu, Zhao Zhang, Cheqing Jin)....Pages 529-534 PHR: A Personalized Hidden Route Recommendation System Based on Hidden Markov Model (Yundan Yang, Xiao Pan, Xin Yao, Shuhai Wang, Lihua Han)....Pages 535-539 JoyDigit NexIoT: An Open IoT Data Platform for Senior Living (Kai Zhao, Peibiao Yang, Peng Zhang, Sufang Wang, Feng Wang, Xu Liu et al.)....Pages 540-544 Epidemic Guard: A COVID-19 Detection System for Elderly People (Wenqi Wei, Jianzong Wang, Ning Cheng, Yuanxu Chen, Bao Zhou, Jing Xiao)....Pages 545-550 Automatic Document Data Storage System Based on Machine Learning (Yu Yan, Hongzhi Wang, Jian Zou, Yixuan Wang)....Pages 551-555 A Meta-Search Engine Ranking Based on Webpage Information Quality Evaluation (Yukun Li, Yunbo Ye, Wenya Xu)....Pages 556-560 Back Matter ....Pages 561-565