NLP and LLMs

NLP and LLMs

Overview

Natural Language Processing (NLP) turns text into structured representations; Large Language Models (LLMs) generate and understand text.

Tasks

• Classification, summary, question answering, extraction
• RAG: combine your data with an LLM using vector search

Example

• Build a FAQ bot using RAG: embed documents, retrieve top-k chunks, prompt an LLM

Checklist

• Prevent hallucinations: cite sources and add guardrails
• PII handling and safety filters

Resources

• Hugging Face Transformers
• LangChain, LlamaIndex (RAG tooling)