Mark Wallace is a veteran ontologist and applied knowledge-graph engineer who has been designing and building semantic systems since before “knowledge graphs” was a common term. As President of Semantic Arts and formerly its Expert Ontologist, he combines hands-on ontology engineering (OWL/RDF, SPARQL, SHACL) with software architecture and team leadership to deliver pragmatic solutions for Fortune 100 clients. His background spans R&D and commercial product development, with deep tool fluency across Stardog, AnzoGraph, AllegroGraph, Jena, Neptune, and RDF-star integrations. Comfortable as both consultant and “wrench-turner,” he bridges theory and implementation—often contributing to community resources like the Gist upper ontology. He also brings legacy systems and data-engineering experience (Java, Python, Hadoop, Accumulo) and a long history of public speaking and teaching in the Semantic Web community. Based in Melbourne, Florida, he leverages decades of practice to make formal knowledge representations directly useful in production systems.
7 years of coding experience
30 years of employment as a software developer
BS Computer Science, BS Computer Science at University of Central Florida
Contributions:17 reviews, 66 commits, 23 PRs in 4 years 3 months
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