Understanding the Role of Knowledge Graphs on Large Language Model’s Accuracy for Question Answering on Enterprise SQL Databases
Nov 22, 2023
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Experts Juan Sequeda, Dean Allemang, and Bryon Jacob discuss the impact of knowledge graphs on language models' accuracy for question answering on enterprise SQL databases. They highlight the benchmark results showing significant improvement in accuracy and emphasize the importance of investing in knowledge graphs to enhance AI systems.
Investing in knowledge graphs can significantly improve the accuracy of large language models (LLMs) in answering natural language questions over enterprise SQL databases.
Investing in knowledge graph building and ontology engineering is crucial for enhancing the accuracy and performance of LLMs in generative AI applications.
Deep dives
Invest in Knowledge Graphs for Improved Accuracy
The podcast discusses the significance of investing in knowledge graphs to improve the accuracy of large language models (LLMs) in answering natural language questions over enterprise SQL databases. The research questions asked were: to what extent can LLMs accurately answer natural language questions over enterprise SQL databases, and to what extent do knowledge graphs improve the accuracy of LLMs? The results showed that using a knowledge graph alongside LLMs increased the accuracy by 3x compared to not using a knowledge graph. With a knowledge graph, easy questions over easy data had a 70% accuracy, while complex questions with more than five tables had a 38% accuracy. The conclusion emphasizes the importance of investing in knowledge graphs and treating business context and semantics as first-class citizens for generative AI applications.
Empirical Evidence Supports the Value of Building Knowledge Graphs
The podcast highlights the significance of empirical evidence in demonstrating the value of building knowledge graphs. The hosts discuss the experiment conducted to test the accuracy improvement of large language models (LLMs) when combined with knowledge graphs. The experiment revealed that using a knowledge graph improved LLM accuracy by 3x. The hosts emphasize the importance of investing in knowledge graph building and ontology engineering. They encourage viewers to validate and test different techniques such as prompt engineering, multi-shot learning, and rag architecture to further improve LLMs' accuracy and performance. The conversation also touches upon the benefits of cataloging and leveraging metadata and semantic layers to enhance data understanding and query capability.
Knowledge Graphs and Semantic Layers: Investing in Context
The podcast explores the distinction between knowledge graphs and semantic layers. It explains that a semantic layer is essentially an ontology, while a knowledge graph includes both the semantic layer (ontologies) and the linked data. The hosts discuss the importance of investing in these contextual components to enhance the accuracy of large language models (LLMs) in answering natural language questions over enterprise SQL databases. They highlight the necessity of metadata, semantics, and business context to be treated as crucial elements. The hosts emphasize that the empirical evidence presented supports the claim that investing in knowledge graphs and semantic layers significantly improves the accuracy of LLMs. They also discuss the potential to leverage LLMs for faster knowledge and ontology engineering.
Next Steps: Fine-Tuning and Accelerating Knowledge Engineering
The podcast concludes by discussing potential next steps in LLM research and knowledge engineering. The hosts suggest exploring prompt engineering, multi-shot learning, and rag architecture as low-hanging fruit to further enhance LLM accuracy. They encourage the integration of LLMs in metadata catalogs and the use of LLMs to mine knowledge more efficiently. The hosts also express excitement about research focusing on making knowledge engineering faster, easier, and cheaper using LLMs. They emphasize the need for ongoing scientific experiments, empirical evidence, and collaboration in the data community to continuously improve LLMs and enhance their performance in real-world applications.
Investing in Knowledge Graph provides higher accuracy for LLM-powered question-answering systems. That's the conclusion of the latest research that Juan Sequeda, Dean Allemang and Bryon Jacob have recently presented. In this episode, we will dive into the details of this research and understand why to succeed in this AI world, enterprises must treat the business context and semantics as a first-class citizen.
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