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Nodes2024

Dev Conference by Neo4j

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Measuring the Performance of VectorRAG vs GraphRAG

Session Track: AI

Session Time:

Session description

Join this session for an in-depth exploration of evaluating Retrieval Augmented Generation (RAG) pipelines, which are crucial for enhancing the performance of large language models (LLMs). As RAG becomes increasingly prevalent, understanding its evaluation is vital to identifying and improving weak points. This session delves into the benefits of integrating knowledge graphs for better grounding and explainability, contrasting it with traditional vector-based retrievers. We will discuss the latest LLM-based tools for automated RAG evaluation, and showcase applications using Neo4j-backed RAG pipelines and the RAG Automated Assessment (RAGAS) framework. You will gain valuable insights into advanced RAG evaluation techniques, helping you optimise your own RAG implementations.

Speakers

photo of Nathalie Charbel

Nathalie Charbel

Senior Software Engineer, Neo4j

Nathalie Charbel holds a PhD in Computer Science. Her research focused on semantic information retrieval from unstructured document corpora (2018). Transitioning to industry, she joined Nobatek/INEF4 (2019-2022), where she contributed to EU projects, emphasising ontologies and semantic web technologies. She later joined Neo4j, and specialised in query language design (2022-2024). Currently, she's part of Neo4j's generative AI team, leveraging her expertise in combining knowledge graphs and LLMs.

photo of Makbule Gulcin Ozsoy

Makbule Gulcin Ozsoy

Software Developer and Machine Learning Engineer, Neo4j

Makbule Gulcin Ozsoy is a Software Developer/Machine Learning Engineer, mainly working on recommender systems, ranking and information retrieval.

photo of Estelle Scifo

Estelle Scifo

Machine Learning Engineer, Neo4j

Estelle holds a PhD in Particle Physics but has moved to the fascinating field of Data Science / Machine Learning / AI / you name it almost 10 years ago. She discovered graph databases and graph data science a few years ago and since then have applied her expertise in various domains from logistics to criminal investigations. In the Neo4j GenAI team, she contributes to make the world of (Knowledge) Graph accessible for developers using LLMs.