081 – Cesar Hernandez

Cesar is an IT Engineer and English Professor developing IT solutions with immersive technologies and artificial intelligence.    He hosts a weekly event at the Innovation Hub at St. Lawrence College where academics, students, and industry partners explore and experiment with the latest tools and technologies in AI and spatial computing.  Connect with Cesar: On

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080 – Nahgeib Miller – Co-Founder of Virtua Immersive Learning Solutions

Nahgeib Miller is an educator, a geologist, and an entrepreneur. He has spent almost 20 years as a professor at Seneca College and has held various leadership roles throughout his tenure. Along the way he has sought to leverage emerging technologies to improve education. Recently he became the co-founder of Virtua Immersive Learning Solutions where he is developing the future of education using AI and immersive technologies.

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RAG Security

As promised, I’ve prepared some notes about the security risks and protections related to Retrieval-Augmented Generation, or RAG, systems. Remember that RAG systems combine powerful language models with external knowledge retrieval to give more accurate and relevant responses. But this introduces some security concerns. One risk is passage injection. It is possible that someone could

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What do Golden Retrievers Have to do with AI?

What do golden retrievers have to do with AI? Not as much as pre-trained neural retrievers do! In my last post, I introduced the concept of Retrieval-Augmented Generation (RAG), a powerful technique that combines the strengths of retrieval systems with generative language models to produce more accurate and up-to-date responses.  The retriever is a crucial

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Cohere, RAG, and LLMs

I recently posted about a Canadian AI startup that secured a $450 million dollar funding round. It was a big deal. Even the Canadian Prime Minister posted on X congratulating Cohere and proudly letting  the world know that the team is based in Toronto: https://x.com/JustinTrudeau/status/1815456500221100319 One of the really interesting things about Cohere is that Patrick

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