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2. Towards Efficient Record and Replay: A Case Study in WeChat

Author

Feng, Sidong, Lu, Haochuan, Xiong, Ting, Deng, Yuetang, and Chen, Chunyang

Subjects
Computer Science - Software Engineering
Abstract

WeChat, a widely-used messenger app boasting over 1 billion monthly active users, requires effective app quality assurance for its complex features. Record-and-replay tools are crucial in achieving this goal. Despite the extensive development of these tools, the impact of waiting time between replay events has been largely overlooked. On one hand, a long waiting time for executing replay events on fully-rendered GUIs slows down the process. On the other hand, a short waiting time can lead to events executing on partially-rendered GUIs, negatively affecting replay effectiveness. An optimal waiting time should strike a balance between effectiveness and efficiency. We introduce WeReplay, a lightweight image-based approach that dynamically adjusts inter-event time based on the GUI rendering state. Given the real-time streaming on the GUI, WeReplay employs a deep learning model to infer the rendering state and synchronize with the replaying tool, scheduling the next event when the GUI is fully rendered. Our evaluation shows that our model achieves 92.1% precision and 93.3% recall in discerning GUI rendering states in the WeChat app. Through assessing the performance in replaying 23 common WeChat usage scenarios, WeReplay successfully replays all scenarios on the same and different devices more efficiently than the state-of-the-practice baselines.

Published
2023

11. Challenges of Parents with Children with Intellectual and Neurodevelopmental Disorders during COVID-19: Experiences and Their Impact on Mental Health

Author

Kaltenbach, Elisa, Xiong, Ting, Thomson, Donna, and McGrath, Patrick J.

Abstract

Background: Parents of children with intellectual and neurodevelopmental disorders are a highly burdened group that faces additional challenges during the COVID-19 pandemic. Methods: In this study, parents of children with intellectual and neurodevelopmental disorders (N = 600) living in Canada participated in a cross-sectional online survey. Results: More than 96% of the parents reported facing additional challenges due to the pandemic. COVID-19-related stressors correlated with poorer mental and physical health. Parents who reported a higher amount of COVID-19-related stressors also reported more post-traumatic stress disorder (PTSD) symptoms. Discussion: Resuming and implementing new services for children with intellectual and neurodevelopmental disorders and their parents will be key in alleviating the challenges for those parents.

Published
2023
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34. Current Research Status and Progress of the Flux for Hot-Dip Galvanizing

Author

YAO Xiong-ting, KONG Gang, CHE Chun-shan, LAI De-lin, WAN Xian-lan, LIAO Xing-li

Subjects
hot-dip galvanizing, flux, influencing factors, coating properties, Materials of engineering and construction. Mechanics of materials, TA401-492, Technology
Abstract

Solvent fluxing is a unique procedure of hot-dip galvanizing, which directly affects the quality and uniformity of hot-dip galvanized coating. This paper introduced the role and principle of the flux for hot-dip galvanizing, and analyzed the effects of the total concentration, temperature, pH value and Fe2+ concentration on the results of the fluxing and hot dip galvanizing. Furthermore, the types and research progresses of new ammonium-free fluxes as well as the fluxes for hot-dip Zn-Al(Mg) alloys were introduced, and the problems and future development directions of the fluxing technology of hot-dip galvanizing were pointed out.

Published
2023
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37. Reciprocal Regulation Between Forkhead Box M1/NF‐κB and Methionine Adenosyltransferase 1A Drives Liver Cancer

Author

Li, Yuan, Lu, Liqing, Tu, Jian, Zhang, Jing, Xiong, Ting, Fan, Wei, Wang, Jiaohong, Li, Meng, Chen, Yibu, Steggerda, Justin, Peng, Hui, Chen, Yongheng, Li, Tony WH, Zhou, Zhi‐Gang, Mato, José M, Seki, Ekihiro, Liu, Ting, Yang, Heping, and Lu, Shelly C

Subjects
Chronic Liver Disease and Cirrhosis, Rare Diseases, Liver Disease, Cancer, Digestive Diseases, Liver Cancer, Genetics, Animals, Carcinogenesis, Cell Line, Tumor, Datasets as Topic, Feedback, Physiological, Forkhead Box Protein M1, Gene Expression Regulation, Neoplastic, Hepatocytes, Humans, Hydrocarbons, Fluorinated, Liver, Liver Neoplasms, Male, Methionine Adenosyltransferase, Mice, Mice, Knockout, NF-kappa B, Primary Cell Culture, Promoter Regions, Genetic, Pyridines, S-Adenosylmethionine, Sulfonamides, Thiophenes, Tumor Suppressor Proteins, Xenograft Model Antitumor Assays, Medical Biochemistry and Metabolomics, Clinical Sciences, Immunology, Gastroenterology & Hepatology
Abstract

Background and aimsForkhead box M1 (FOXM1) and nuclear factor kappa B (NF-ĸB) are oncogenic drivers in liver cancer that positively regulate each other. We showed that methionine adenosyltransferase 1A (MAT1A) is a tumor suppressor in the liver and inhibits NF-ĸB activity. Here, we examined the interplay between FOXM1/NF-κB and MAT1A in liver cancer.Approach and resultsWe examined gene and protein expression, effects on promoter activities and binding of proteins to promoter regions, as well as effects of FOXM1 inhibitors T0901317 (T0) and forkhead domain inhibitory-6 (FDI-6) in vitro and in xenograft and syngeneic models of liver cancer. We found, in both hepatocellular carcinoma and cholangiocarcinoma, that an induction in FOXM1 and NF-κB expression is accompanied by a fall in MATα1 (protein encoded by MAT1A). The Cancer Genome Atlas data set confirmed the inverse correlation between FOXM1 and MAT1A. Interestingly, FOXM1 directly interacts with MATα1 and they negatively regulate each other. In contrast, FOXM1 positively regulates p50 and p65 expression through MATα1, given that the effect is lost in its absence. FOXM1, MATα1, and NF-κB all bind to the FOX binding sites in the FOXM1 and MAT1A promoters. However, binding of FOXM1 and NF-κB repressed MAT1A promoter activity, but activated the FOXM1 promoter. In contrast, binding of MATα1 repressed the FOXM1 promoter. MATα1 also binds and represses the NF-κB element in the presence of p65 or p50. Inhibiting FOXM1 with either T0 or FDI-6 inhibited liver cancer cell growth in vitro and in vivo. However, inhibiting FOXM1 had minimal effects in liver cancer cells that do not express MAT1A.ConclusionsWe have found a crosstalk between FOXM1/NF-κB and MAT1A. Up-regulation in FOXM1 lowers MAT1A, but raises NF-κB, expression, and this is a feed-forward loop that enhances tumorigenesis.

Published
2020

38. Research on Big Data Traffic Congestion Analysis and Judgement Platform Technology

Author

Li Xiaowei, Xiong Ting, and Yu Mengyan

Subjects
Environmental sciences, GE1-350
Abstract

Due to the lack of peak intersection congestion coordination control strategy, at present, most of the points during the peak period of the urban area only fixed cycle control, can not sense the downstream intersection queuing length in time, resulting in the downstream congestion is still normal release, so that part of the vehicle into the intersection queue, in the cross-direction before the release of the intersection can not be timely driven out of the intersection, affecting the cross-release of the vehicle traffic, resulting in intersection blockage. In the platform to introduce the peak intersection congestion coordination control strategy to reduce the length of vehicle queues to ease peak congestion, the platform is mainly responsible for congestion analysis, indicator calculation, traffic research and judgement can be found in the real-time environment of the congestion and the formulation of countermeasures to support the signal control, traffic organisation, police scheduling and so on.

Published
2024
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47. The mental health and traumatic experiences of mothers of children with 22q11DS

Author

Finless, Alexandra, primary, Rideout, Andrea L., additional, Xiong, Ting, additional, Carbyn, Holly, additional, Lingley-Pottie, Patricia, additional, Palmer, Lisa D., additional, Shugar, Andrea, additional, McDonald-McGinn, Donna M., additional, McGrath, Patrick J., additional, Bassett, Anne S., additional, Cytrynbaum, Cheryl, additional, Orr, Matt, additional, Swillen, Ann, additional, and Meier, Sandra, additional

Published
2024
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48. The Inverted U-Shaped Association between Serum Vitamin D and Serum Uric Acid Status in Children and Adolescents: A Large Cross-Sectional and Longitudinal Analysis

Author

Ma, Zhuang, primary, Xiong, Ting, additional, Li, Yan, additional, Kong, Binxuan, additional, Lu, Wenlong, additional, Zhang, Ziyang, additional, Chen, Liangkai, additional, Tang, Yuhan, additional, Yao, Ping, additional, Xiong, Jingfan, additional, Li, Yanyan, additional, and Wu, Yuanjue, additional

Published
2024
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