Natural Language Processing: From Text Understanding to Language Intelligence

Natural Language Processing has transformed from basic text processing to sophisticated language intelligence with Large Language Models. This comprehensive guide explores core NLP tasks, breakthrough models like GPT-4, Claude, LLaMA, and Gemini, plus advanced techniques including RAG, fine-tuning, and prompt engineering. Learn about real-world applications in customer service, healthcare, legal tech, and finance, along with challenges like hallucinations, bias, and interpretability.