PHAROS Training Series - Course 9 "RAG End-to-End: Architecture, Retrieval, Generation and Evaluation"

Tuesday, 7 July 2026 - 11:00


        : Sessions
    /     : Talks
        : Breaks
7 Jul 2026
AM
11:00 Why RAG? Hallucinations, knowledge cut-offs and grounded generation - George Drosatos (ATHENA RC)   ()
11:15 RAG architectures: Naïve, Advanced and Modular - George Drosatos (ATHENA RC)   ()
11:40 Hands-on 1: dataset loading, document preparation and first RAG pipeline overview - Sotiris Gyftopoulos (ATHENA RC)   ()
PM
12:10 Ingestion, chunking, metadata and embeddings for RAG - George Drosatos (ATHENA RC)   ()
12:35 Hands-on 2: chunking, metadata and vector indexing - Sotiris Gyftopoulos (ATHENA RC)   ()
12:50 --- Break ---
13:05 Retrieval strategies: semantic, lexical, hybrid retrieval, HyDE, RRF and reranking - George Drosatos (ATHENA RC)   ()
13:30 Hands-on 3: semantic search, BM25/hybrid retrieval and reranking - Sotiris Gyftopoulos (ATHENA RC)   ()
13:55 Generation in RAG: context construction, grounding, citations and answer constraints - George Drosatos (ATHENA RC)   ()
14:20 Hands-on 4: end-to-end RAG answer generation with source attribution - Sotiris Gyftopoulos (ATHENA RC)   ()
14:40 RAG evaluation: retrieval quality, faithfulness, groundedness and RAGAS/DeepEval concepts - Sotiris Gyftopoulos (ATHENA RC) George Drosatos (ATHENA RC)   ()
15:00 Deployment considerations and wrap-up - George Drosatos (ATHENA RC) Sotiris Gyftopoulos (ATHENA RC)   ()