Yang yu10/3/2023 ![]() In Proceedings of the 45th International Conference on Very Large Data Bases (VLDB’19). Finding Theme Communities from Database Networks. In Proceedings of the 46th International Conference on Very Large Data Bases (VLDB’20). Online Density Bursting Subgraph Detection from Temporal Graphs. In Proceedings of the 47th International Conference on Very Large Data Bases (VLDB'21). Comprehensible Counterfactual Explanation on Kolmogorov-Smirnov Test. Unconstrained Submodular Maximization with Modular Costs: Tight Approximation and Application to Profit Maximization. In Proceedings of the 27th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'21). Representation Learning for Predicting Customer Orders. In Proceedings of the 39th International Conference on Machine Learning (ICML'22). Stochastic Continuous Submodular Maximization: Boosting via Non-oblivious Function. In Proceedings of the Thirty-Sixth Conference on Neural Information Processing Systems (NeurIPS'2022)). In Proceedings of the 25th International Conference on Artificial Intelligence and Statistics (AISTATS'2023). Online Learning for Non-monotone DR-Submodular Maximization: From FullInformation to Bandit Feedback. In Proceedings of the 40th International Conference on Machine Learning (ICML'2023). Nearly Optimal Competitive Ratio for Online Allocation Problems with Two-sided Resource Constraints and Finite Requests. IEEE/ACM International Symposium on Quality of Service 2023 (IWQoS 2023). Ambient Backscatter with a Single Commodity AP. IEEE Transactions on Knowledge and Data Engineering. Tracking Influential Individuals in Dynamic Networks. Measuring In-Network Node Similarity Based on Neighborhoods: A Unified Parametric Approach. ACM Transactions on Knowledge Discovery from Data. An Influence Propagation View of PageRank. Activity Maximization by Effective Information Diffusion in Social Networks. Influence efficiency maximization: How can we spread information efficiently?. Influence Analysis in Evolving Networks: A Survey. Tackling temporal-dynamic service composition in cloud manufacturing systems: A tensor factorization-based two-stage approach. Just-in-time single-batch-processing machine scheduling. International Journal of Production Research. Dynamic cloud manufacturing service composition with re-entrant services: an online policy perspective. IEEE Transactions on Computational Social Systems. An Empirical Study of User Engagement in Influencer Marketing on Weibo and WeChat. In their debut in IPhO 2004, the HK team became the first in IPhO history since it became a global event to win gold medal in their first participation of IPhO’s. During the period, the HK team had won ten gold medals in International Physics Olympiads (IPhO’s), and two gold medals in Asia Physics Olympiads (APhO’s), including the 3 rd place overall standing in APhO 2012. Prof Yang had served as the chairman of the Hong Kong Physics Olympiad Committee and head coach of the Hong Kong physics Olympiad team from 2003 to 2013. He has also worked on semiconductor quantum structures and interfaces, polymer dynamics, electromagnetic metamaterials, etc., but is no longer working in these areas anymore. These metamaterials have extremely wide range of applications in residential and commercial buildings, trains, ship, aircraft, factories, power plants, satellites and spacecraft, etc. In the application side, he is the inventor of a number of light weight, thin, highly efficient sound proof panels that can block or absorb noise, and equally effective sound blocking blankets that are flexible and can be rolled up when not in use, and rolled out to cover the noise sources or quiet room entrance. These include (i) the anti-resonance based decorated membrane resonator (DMR) which by itself serves as a strong transmission loss sound blocker even at frequencies around 100 Hz, (ii) doubly negative metamaterials based on DMR, (iii) dark acoustic metamaterials which are perfect sound absorbers and highly efficient vibration absorbers over a broad frequency range from a few thousand to near 50 Hz, (iv) hybrid resonant super absorption metamaterials that can totally absorb low frequency sound beams with cross section area many times larger than the physical area of the metamaterials. He participated in the study of the original locally resonant sonic metamaterials (coated spheres), and invented the membrane type metamaterials, based on which a number of novel structures and properties have been discovered. Prof Yang's main research area at present is the experimental elastic metamaterials.
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