Articles tagged with: Computer Science

  • May 15 – Master of Science Thesis Defence – Jessica Graham

    Master of Science thesis defence in Computer Science

    Jessica Graham, a Master of Science candidate in the Department of Computer Science, will defend her thesis titled “Edge Communication Efficiency with

    GNNs in Internet of Vehicles” on Wednesday, May 15 at 9:30 AM., in GSB 308.

    The examination committee includes Ke Qiu, Chair; Robson De Grande, Supervisor; Ali Emami, External Examiner; and Yifeng Li and Renata Queiroz Dividino, Committee Members.

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  • Trace-of-Thought: Enhancing Arithmetic Reasoning in Small Language Models Through Distillation of Reasoning

    Join Us Wednesday May 8 for an online presentation:

    Speaker: Tyler McDonald

    Abstract: Large Language Models (LLMs) are an emergent tool in many disciplines, with commercially accessible language models providing a simple interface to help solve a variety of problems & daily tasks. While these models are optimized for various common tasks, such as arithmetic reasoning, the exhaustive employment of commercialized language models comes with many challenges, such as potential resource unavailability, cost burdens, and constraints on flexibility. To aid in cultivating a support for open-source language modeling, an often more accessible alternative that allows for scale and size flexibilities, we introduce Trace-of-Thought Prompting: a simple, zero-shot prompt engineering technique responsible for creating observable and rational subproblems designed for delegation to smaller-scale systems. By harnessing the joint benefits of large-scale reasoning with small-scale accessibility, we aim to produce small language models – those below 7 billion parameters – capable of enhanced & transparent reasoning skills on arithmetic reasoning tasks. Our applications of Trace-of-Thought on these arithmetic reasoning problems yields gains as large as 125% on small language models, while providing observable reasoning pathways that are easily corrected on tasks of increasing difficulty. Our findings introduce a critical paradigm towards leveraging the myriad abilities of language models at a variety of scales for accessible problem solving.

    Time: 11:00 – 11:45 (Online) Wednesday, May 8

    Teams Meeting info:

    ________________________________________________________________________________
    Microsoft Teams Need help?
    Meeting ID: 289 571 693 504
    Passcode: DwRdJk

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  • Feb 7 – MRP defence – Braden Saunders

    MRP in Computer Science:

    Braden Saunders, a Master of Science candidate in the Department of Computer Science, will defend his MRP titled “A Novel DDoS Detection and Multi-Class Classification Method: A Graph Convolutional Network Approach” on Wednesday, February 7 at 11AM., virtually.

    The examination committee includes Glaucio H.S. de Carvalho, Supervisor; Naser Ezzati-Jivan, Committee Member.

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  • Feb 6 – Master of Science Thesis Defence – Shajib Chowdhury

    Shajib Chowdhury, a Master of Science candidate in the Department of Computer Science, will defend his thesis titled “LSTM-oriented Handover Decision-making with SVR-based Mobility Prediction in 5G Vehicular Networks ” on Tuesday, February 6 at 9:30 AM., in GSB 408.

    The examination committee includes Melanie Pilkington, Chair; Robson De Grande, Supervisor; Renata Queiroz Dividino, External Examiner (Brock University); and Naser Ezzati-Jivan and Glaucio Haroldo Silva de Carvalho, Committee Members.

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  • Feb 5 – MSc Thesis Defence – Jannatul Ferdous

    Jannatul Ferdous, a Master of Science candidate in the Department of Computer Science, will defend her thesis titled “Reinforcement Learning-based Time-Dependable Modelling of Fog Connectivity for Software-Defined Vehicular Networks” on Monday, February 5 at 1PM., in CRN 207.

    The examination committee includes Melanie Pilkington, Chair; Robson De Grande, Supervisor; Naser Ezzati-Jivan, External Examiner (Brock University); and Ke Qiu and Glaucio Haroldo Silva de Carvalho, Committee Members.

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  • Feb 1 – Master of Science Thesis Defence – Andrew Vu

    Master of Science thesis defence in Computer Science

    Andrew Vu, a Master of Science candidate in the Department of Computer Science, will defend his thesis titled “The Application of Chaos Game Representations and Deep Learning for Grapevine Genetic Testing” on Thursday, February 1 at 9:30 AM., virtually.

    The examination committee includes Melanie Pilkington, Chair; Yifeng Li and Ping Liang, Co-Supervisors; Robson De Grande, External Examiner (Brock University); and Renata Queiroz Dividino and Glaucio Haroldo Silva de Carvalho, Committee Members.

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  • Feb 7 – Master of Science Thesis Defence – Mehenika Akter

    Mehenika Akter, a Master of Science candidate in the Department of Computer Science, will defend her thesis titled “Topic Modeling-based Logging Suggestions for Java Software Systems” on Wednesday, February 7 at 2PM., in CRN 207.

    The examination committee includes Melanie Pilkington, Chair; Naser Ezzati-Jivan, Supervisor; Robson De Grande, External Examiner (Brock University); and Ke Qiu and Michael Winter, Committee Members.

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  • Dec 18 – Master of Science Thesis Defence – Yage Zhang

    Master of Science thesis defences in Computer Science

    Yage Zhang, a Master of Science candidate in the Department of Computer Science, will defend her thesis titled “Aligning Language Models Using Multi-Objective Deep Reinforcement Learning” on Monday, December 18 at 2 PM., in MC H313.

    The examination committee includes Cheryl McCormick, Chair; Yifeng Li, Supervisor; Shengrong Bu, External Examiner (Brock University); and Ali Emami and Robson De Grande, Committee Members.

    Alanna McNulty, a Master of Science candidate in the Department of Computer Science, will defend her thesis titled “Swarm Intelligence and Evolutionary Algorithms for Real-World Constrained Multi-Objective Optimization ” on Tuesday, December 19 at 1:00 PM., virtually.

    The examination committee includes Brian Ross, Chair; Betty Ombuki-Berman, Supervisor; Kyle Harrison, External Examiner (The University of Newcastle); and Yifeng Li and Shahryar Rahnamayan, Committee Members.

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  • Master of Science Thesis Defences – Dec 11 and Dec 15 -Alysha Gullion, Ethan Gibbons, Nicholas Aksamit, Raikhan Zakarina

    Master of Science thesis defence in Biological Sciences

     

    Alysha Gullion, a Master of Science candidate in the Department of Biological Sciences, will defend her thesis titled “Influence of cover crops on invertebrate diversity in Niagara organic vineyards” on Monday, December 11 at 9:30 AM., virtually.

    The examination committee includes Melanie Pilkington, Chair; Liette Vasseur, Supervisor; Caroline Provost, External Examiner (Centre de Recherche Agroalimentaire de Mirabel); and Sudarsana Poojari and Kiyoko Gotanda, Committee Members.

    Master of Science thesis defence in Computer Science

    Ethan Gibbons, a Master of Science candidate in the Department of Computer Science, will defend his thesis titled “Memetic Algorithm for Large-Scale Real-World Vehicle Routing Problems with Simultaneous Pickup and Delivery with Time Windows” on Monday, December 11 at 1:30 PM., virtually.

    The examination committee includes Shahryar Rahnamayan, Chair; Betty Ombuki-Berman, Supervisor; Brian Ross, External Examiner (Brock University); and Michael Winter and Ke Qiu, Committee Members.

    Master of Science thesis defence in Computer Science

     

    Nicholas Aksamit, a Master of Science candidate in the Department of Computer Science, will defend his thesis titled “Combining the Power of Attention Models

    and Many-objective Computational Intelligence Algorithms for Drug Design” om Friday, December 15 at 10 AM, virtually.

    The examination committee includes Cheryl McCormick, Chair; Betty Ombuki-Berman and Yifeng Li, Co-Supervisors; Naser Ezzati-Jivan, External Examiner (Brock University); and Rahnuma Islam Nishat and Youlian Pan, Committee Members.

    Master of Science thesis defence in Chemistry

    Raikhan Zakarina, a Master of Science candidate in the Department of Chemistry, will defend her thesis titled “Solvent-free zinc-catalysed hydroboration of esters ” on Friday, December 15 at 2:30 PM., in Plaza 600F.

    The examination committee includes Ping Liang, Chair; Georgii Nikonov, Supervisor; Joe Gilroy, External Examiner (University of Western Ontario); and Divya Matta and Martin Lemaire, Committee Members.

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  • Debiasing should be Good and Bad: Measuring the Consistency of Debiasing Techniques in Language Models – Speaker: Robert Morabito

    Join Us Thursday July 6th for an online presentation:
    Abstract:
    Debiasing methods that seek to mitigate the tendency of Language Models (LMs) to occasionally output toxic or inappropriate text have recently gained traction. In this paper, we propose a standardized protocol which distinguishes methods that yield not only desirable results, but are also consistent with their mechanisms and specifications. For example, we ask, given a debiasing method that is developed to reduce toxicity in LMs, if the definition of toxicity used by the debiasing method is reversed, would the debiasing results also be reversed? We used such considerations to devise three criteria for our new protocol: Specification Polarity, Specification Importance, and Domain Transferability. As a case study, we apply our protocol to a popular debiasing method, Self-Debiasing, and compare it to one we propose, called Instructive Debiasing, and demonstrate that consistency is as important an aspect to debiasing viability as is simply a desirable result. We show that our protocol provides essential insights into the generalizability and interpretability of debiasing methods that may otherwise go overlooked.

     

    DATE: Thursday (July 6) 11:00 a.m. – 11: 45 a.m. via Teams

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