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DTSTART;TZID=Asia/Kolkata:20230731T160000
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DTSTAMP:20260404T062334
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SUMMARY:Time Forecasting of COVID-19 Signals: Challenges and Model Development
DESCRIPTION:Title: Real-Time Forecasting of COVID-19 Signals: Challenges and Model Development \nSpeaker: Dr. Aniruddha Adiga\,  Research Scientist\, Biocomplexity Institute at the University of Virginia \nHost Faculty: Prof. Chandra Sekhar Seelamantula\, EE\, IISc \nVenue: Multimedia Classroom (MMCR)\, Department of Electrical Engineering\, Indian Institute of Science \nDate & Time: July 31\, 2023; 4 PM onward (Coffee will be served during the talk) \nAbstract:  \nCOVID-19 is the largest pandemic the world has seen with approximately 700 million confirmed cases\, 8 million confirmed deaths pandemic to date\, and unprecedented social\, economic\, and political impact. During the pandemic\, we also observed an extensive development of computational and mathematical models to aid policymakers and response efforts. An essential use of such models is in early warning systems and forecasting of COVID-19 signals. Real-time forecasting of COVID-19 signals is a challenging problem due to data quality issues\, nonstationarity of time series\, evolving targets\, behavioral adaptations\, etc. It has been observed that under such circumstances\, ensemble models consisting of a diverse set of model classes are a better choice than individual models.  \nIn this talk\, I will discuss our efforts toward the development of an ensemble model consisting of statistical\, deep learning\, and compartmental models and our participation in national-level collaborative forecasting efforts. Through these efforts we have observed that all classes of models are important\, however\, different model classes performed differently during various phases of the pandemic. Armed with this understanding\, I will present a modification to the ensembling method to employ this phase information and use different weighting schemes for different phases to produce improved forecasts. However\, predicting the phases of the time series is another challenge\, especially when behavioral and immunological adaptations govern the evolution of the time series. I will discuss a phase prediction algorithm that employs auxiliary datasets and transfer entropy techniques. We evaluate our model’s performance with other models in the collaborative effort. \nBiography of the speaker:  \n\nAniruddha Adiga is a research scientist at the Biocomplexity Institute at the University of Virginia. His interests are in signal processing and machine learning with a current focus on the development of forecasting models. From May 2018 to May 2019\, he was a postdoctoral associate at North Carolina State University. He received his PhD from the Department of Electrical Engineering at the Indian Institute of Science. Aniruddha has published in top venues such as KDD\, AAAI\, IJCAI\, BigData\, etc. His paper in IEEE BigData 22 received the “Best Paper” award. His work also supports public health agencies such as the US CDC\, EU CDC\, and the Virginia Department of Health.\n\n\nTechnically co-sponsored by IEEE Signal Processing Society\, Bangalore Chapter
URL:https://ee.iisc.ac.in/event/time-forecasting-of-covid-19-signals-challenges-and-model-development/
LOCATION:MMCR\, Hall C 241\, 1st floor\, EE department
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