{ "item_title" : "Retrieval-Augmented Generation (RAG) Projects", "item_author" : [" Sakthipriya S "], "item_description" : "Large language models are powerful - but they don't know anything about your data. Retrieval-Augmented Generation (RAG) changes that. Instead of expensive fine-tuning or stuffing entire documents into every prompt, RAG retrieves exactly the right information at query time and hands it to the LLM as context. The result: AI applications that are accurate, grounded, and actually deployable. What You'll Build: Project 1: A PDF question-answering chatbot with conversational memory and page-level source citationProject 2: A multi-document research assistant that synthesizes information across dozens of files and detects when sources conflictProject 3: A code documentation assistant that uses AST-based chunking to understand your codebase and auto-generate docstringsProject 4: A customer support bot with confidence scoring, dynamic knowledge base updates, and smart escalation to human agentsProject 5: A hybrid search system that combines semantic embeddings with BM25 keyword search using Reciprocal Rank Fusion - so exact matches and product codes are never missedProject 6: A production-ready RAG pipeline with semantic caching, rate limiting, async request handling, Docker containerization, CI/CD, and Prometheus monitoringBeyond the Projects:The final section covers systematic evaluation using the RAGAS framework - so you can measure faithfulness, answer relevancy, and context precision instead of guessing whether your system works. You'll also learn re-ranking with cross-encoders, query expansion, and a decision tree for diagnosing and fixing retrieval quality problems.Who This Book Is For:This book is written for Python developers with some exposure to AI concepts who want to build real RAG applications - not toy tutorials. You don't need a machine learning background. You do need to be comfortable with Python and ready to ship something.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/818/370/9798183704129_b.jpg", "price_data" : { "retail_price" : "19.99", "online_price" : "19.99", "our_price" : "19.99", "club_price" : "19.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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