Information Retrieval
Search engines and retrieval: Boolean retrieval, TF-IDF, BM25, vector space models, language models, and evaluation metrics.
TF-IDFBM25Vector SpaceLanguage ModelsSearch EnginesRAG
Overview
How search engines find relevant documents. Covers indexing, ranking algorithms, query processing, relevance feedback, and evaluation. Directly relevant to RAG pipelines and semantic search in AI applications.
Content & Resources
THEORY
Boolean & VSM Retrieval
Boolean queries, TF-IDF, vector space model
THEORY
BM25 & Language Models
Probabilistic retrieval and language modeling
PROJECT
Search Engine Project
Building a search engine from scratch