Retrieval-Augmented Generation for Clinical Trials: A Introductory Practical Guide (Part 1)

During my collaboration for a US-based biosciences company with Lynx Analytics, I tackled a problem to one I faced during my time at AbbVie — retrieving documents based on content. Back then, the challenge was implementing semantics for full paragraphs, which wasn’t feasible easily. We had to rely on word matching and n-gram scoring to retrieve and rank documents. Fast forward to today, technologies like ChatGPT and vector stores with indexes have revolutionized our approach to this problem. In this…