"Digital Delusions and the Dirty Little Secret of LLMs." -Tim Clarke Ever wondered why LLMs confidently spout fabrications as fact? Uncover the "dirty little secret" behind managing these digital delusions. Diving into the why from tokenization to training data. Then, explore practical techniques like RAG and semantic search to bring accuracy back to the forefront. Finally we will build a Streamlit-based semantic search tool to give you an introduction to the hands on experience of serving up the truth to your LLM. Bio: Tim is driven by a passion for harnessing cutting-edge technologies to bridge the gap between humans and machines, transforming the way we understand, interpret, and interact with information. Holding an MA in Religious Anthropology and an MSc in Data Science, Tim has had a diverse career, initially working internationally in the Energy Sector before shifting his focus to tech, specifically Natural Language Processing (NLP) and Knowledge Graph techniques. In his current role at Katoni Engineering he looks at implementing digital technologies to empower the workforce.