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Wednesday, May 15, 2024 12:00 pm - 1:00 pm EDT (GMT -04:00)

PhD Seminar • Information Retrieval • Improving Text Retrieval via Fine-Tuning Large Language Models

Please note: This PhD seminar will take place in DC 2585.

Xueguang Ma, PhD candidate
David R. Cheriton School of Computer Science

Supervisor: Professor Jimmy Lin

While large language models (LLMs) have demonstrated impressive NLP capabilities, existing information retrieval applications mainly focus on prompting LLMs for query expansions or generating permutations for listwise reranking.

Tuesday, May 21, 2024 2:00 pm - 3:00 pm EDT (GMT -04:00)

Master’s Thesis Presentation • Systems and Networking • Parallel Transaction Execution in Public Blockchain Systems

Please note: This master’s thesis presentation will take place in DC 2310

Rizwan Shahid, Master’s candidate
David R. Cheriton School of Computer Science

Supervisors: Professors Bernard Wong, Samer Al-Kiswany

Public blockchain systems like Ethereum and Bitcoin suffer from poor transaction through-put, leading to delayed transaction execution and high transaction fees. They execute transactions one by one failing to extract inherent parallelism possible in executing the workload.

Monday, May 27, 2024 10:30 am - 11:30 am EDT (GMT -04:00)

DSG Seminar Series • Efficient Distributed Complex Event Processing

Please note: This seminar will take place in DC 1304.

Matthias Weidlich, Professor
Chair on Databases and Information Systems
Department of Computer Science, Humboldt-Universität zu Berlin

Complex event processing emerged as a computational paradigm to detect patterns in event streams based on the continuous evaluation of event queries. Once such queries are evaluated in a network of event sources, efficient query evaluation may be achieved through the distributed evaluation of queries.