Blog
Writing on knowledge graphs, ontologies, and data-centric architecture
Articles and working notes from the people at Semantic Arts, newest first.
Groans, Giggles and Gales of Laughter
by Dave McComb | The Whiteboard
As the Season to be Jolly gets into full swing, I reflect one of my favorite ways to be jolly: laughter. What makes us laugh (or not) in a given situation? Some people just laugh, like my mother, who regularly […]
Is the Road to Euphoria Paved by Thanking with Reckless Abandon?
by Dave McComb | The Whiteboard
I wrote the following last year, and am inspired to share this more publicly, today, the Monday of Thanksgiving week, 2014. It is Thanksgiving Day, 2013 and I just came across an article describing how science has tied gratitude to […]
SPARQL: Changing Instance URIs
by Michael Uschold | The Whiteboard
In a prior blog (SPARQL: Updating the URI of an owl:Class in place) we looked into how to use SPARQL to rename a class in a triple store. The main steps are below. We showed how to do this for […]
SPARQL: Updating the URI of an owl:Class in place
by Michael Uschold | The Whiteboard
Background We have been developing solutions for our clients lately that involve loading an ontology into a triple store, and building a UI for data entry. One of the challenges is how to handle renaming things. If you want to […]
D3 the Easy Way
by Dave McComb | The Whiteboard
We’ve found ourselves working with D3(d3js.org) more and more lately, both for clients and for our own projects. So far we’ve really just begun to scratch the surface of what it can do (if you’re unfamiliar, take a moment to […]
Ontologies and Taxonomies
by Michael Uschold | The Whiteboard
Are you struggling with how to make best use of your company’s knowledge assets that have grown overly complex? Have you wondered how to blend the more informal taxonomic knowledge with the more formal ontological knowledge? This has been a […]
Spectrograph
by Dave McComb | The Whiteboard
Last night at the EDM Council meeting, Dave Newman from Wells Fargo used spectroscopy as an analogy to the process used to decompose business concepts into their constituent parts. The more I’ve been thinking about it the more I like […]
How Data Became Metadata
by Dave McComb | The Whiteboard
Is it just me, or is the news that the NSA is getting off the hook on its surveillance of us because it’s just “metadata” more than a bit duplicitous? Somehow the general public is being sold this idea that […]
Semantic Tech meets Data Gov
by Dave McComb | The Whiteboard
Watch out world! Eric Callmann, a vet of data governance, recently joined the Semantic Arts team as a consultant. We like his fresh and unique perspective on how to use semantic technology to help manage the mass amounts of data […]
Taxonomies—Formal and Informal
by Dave McComb | The Whiteboard
We were working with a client recently who wanted to incorporate their existing taxonomies into their newly forming enterprise ontology. It was, as they say, a “teachable moment.” Not all taxonomies are created equal. At least not with regard to […]
Ontology Questions and Answers
by Dave McComb | The Whiteboard
Contents: I’m trying to build an enterprise ontology for my organization. How can I avoid terminology wars? How can I ensure that an ontology is easy to understand and use? How can I ensure that an ontology is complete? How […]
Semantic Power Tools—Inference and Composition
by Dave McComb | The Whiteboard
Inference is one of the ways that semantic technology simplifies information systems. Many of the manual assertions that must be made in the traditional systems can happen automatically in a semantic model. The more things you can infer, the fewer […]
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