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Hans Viehmann

Graph Machine Learning in Practice: From Fraud Analysis to GraphRAG

A Talk by Hans Viehmann (Director of Product Management, Oracle)

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About this Talk

Combining machine learning techniques with graphs is becoming increasingly popular, not least because of the current advancements in the availability of powerful large language models (LLMs).

Workflows based on Retrieval-Augmented Generation benefit significantly from using graphs in the retrieval step, producing more accurate results while making the results more easily explainable.

That said, even without LLMs, graphs can significantly enhance machine learning models, enabling organizations to uncover hidden patterns and dependencies in data that other methods might miss.

In this talk, we will share the experience from implementation projects, primarily in the financial services industry, where customers use graph pattern matching and different graph-empowered machine learning algorithms for both supervised and unsupervised learning.

We will show how these techniques are used for fraud analytics based on structured data or similarity searches in a GraphRAG scenario with text documents. The presentation will cover how to prepare and model the data, review the methodology, and briefly discuss the results.

12 December 2024, 12:30 PM

Edges Stage

12:30 PM - 01:00 PM

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About The Speakers

Hans Viehmann

Hans Viehmann

Director of Product Management, Oracle

Hans Viehmann is responsible for Oracle's Spatial and Graph technologies and the associated cloud services as a Director of Product Management.

Location

Convene 133 Houndsditch

133 Houndsditch, London

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Semantic Web Company / PoolParty

The vendor of PoolParty Semantic Suite. Graph-based text mining, recommender systems, and data fabric solutions.

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yWorks

yWorks specializes in the development of professional software solutions that enable the clear visualization of diagrams and networks.

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Oracle

This global cloud tech company offers infrastructure and software to enhance organizational innovation and efficiency. Its autonomous database delivers top performance, security, and cost savings. Supporting businesses, governments, and research, the company embraces diversity and fosters growth.

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Ultipa

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Oxford Semantic Technologies

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