The Joe Reis Show Juan Sequeda & Jesus Barrasa - Unlocking Knowledge with Graphs
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Apr 24, 2025 Juan Sequeda, Principal Scientist at data.world, and Jesus Barrasa, Field CTO at Neo4j, dive deep into the fascinating worlds of graphs and AI. They unpack the nuances of semantics and ontologies, revealing how these concepts shape knowledge representation. The duo contrasts RDF and property graphs, shedding light on their pivotal roles in data modeling. They also discuss how graph modeling enhances generative AI's ability to process unstructured data, ultimately transforming the future of data governance.
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Building Ontology Complexity
- Ontology development evolves from vocabularies to complex conceptual models with classes, relationships, and logical rules.
- Increasing expressiveness enables automated analysis and deeper domain understanding.
Ontology's Practical Use
- Ontologies are valuable not just as domain definitions but as practical tools for validation, reasoning, and data access.
- The combination of ontology and software enables advanced, automated use of data and knowledge.
RDF vs Property Graphs
- RDF and property graphs represent connected data at different abstraction levels: RDF uses triples while property graphs use nodes with properties.
- Both represent the same information but have distinct query languages and storage approaches.