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Lin
Liu
Director, Data Science
Wealthsimple
As Director of Data Science at Wealthsimple, Lin Liu architects AI/ML solutions that power the future of finance. His experience includes leading AI/ML consulting engagements for AWS clients at Amazon and creating flagship fraud and credit models for Capital One Canada. A patented inventor in credit scoring, Lin specializes in building scalable AI/ML solutions that bridge the gap between data science and tangible business value.
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20 November 2024 09:30 - 10:00
Story is all you need: Using LLMs to predict outcomes from raw data
In the age of Generative AI, what if the most complex feature engineering could be replaced by simple storytelling? This talk introduces a novel paradigm for predictive analytics that challenges traditional modeling workflows. We demonstrate a powerful technique: translating raw, structured data—like transaction logs or application usage data—into coherent, text-based narratives, or "stories." We then feed these stories directly into Large Language Models (LLMs) and prompt them for a predictive score. This approach leverages the deep contextual understanding of LLMs to perform tasks that typically require bespoke models and intricate feature engineering. We will explore real-world case studies, demonstrating how "stories" crafted from credit card transactions can accurately predict major life events. Similarly, we'll show how narratives of a user's app behavior can enable an LLM to detect subtle anomalies indicative of fraud, outperforming brittle, rule-based systems. Join us to discover how transforming your data into stories can unlock a new frontier of predictive power and operational efficiency.