Information Retrieval Basics

This lecture covers the fundamentals of information retrieval, including different types of retrieval, such as text-based and Boolean retrieval, vector space retrieval, and embedding techniques. It explains the importance of document and query representations, the retrieval model, and relevance matching. The lecture also delves into the architecture of text retrieval systems, pre-processing text for retrieval, and the computation of similarity in Boolean and vector space retrieval models.