Blog
Writing on knowledge graphs, ontologies, and data-centric architecture
Articles and working notes from the people at Semantic Arts, newest first.
Location and navigation in computer systems
by Dave McComb | The Whiteboard
I've been working a lot lately with Semantic Web technologies. In particular I've been reflecting on the profound impact of basing everything on URIs. At one level it doesn't look much different from primary keys or universal ids or GUIDs, […]
Bob DuCharme’s book: Learning SPARQL
by Dave McComb | The Whiteboard
I was hoping I wasn't going to have to learn SPARQL 1.1 from the specs. Bob DuCharme's book Learning SPARQL 1.1 arrived just in time to save me from that fate. The book is well organized, progresses well and has great examples. […]
Report from the Ontology Summit
by Michael Uschold | The Whiteboard
Nearly 100 people in the international ontology community met this past April 18-19 at the sixth annual Ontology Summit to discuss "making the case for ontology." In recent years the number of deployed ontologies has increased dramatically, yet the technology […]
Zen mind
by Dave McComb | Knowledge Graphs & Ontologies
Part 1 & Part 2 We just conducted a weeklong training session on OWL/DL and Ontology Engineering. Several of the participants will be attending the Semantic Technology Conference, and felt they will be getting a lot more out of the […]
A Formal Ontology is for Reconciling Your Mental Model with Everyone Else’s
by Dave McComb | Knowledge Graphs & Ontologies
Todd Schneider and Ali Hashemi came up with this in the Ontology Forum email today: Every person, organization or system has an ontology – the things presumed to exist in the world and how they behave. Interactions with the world […]
The Integral Aperspectival Strikes Again
by Dave McComb | The Whiteboard
As a few of you know, in our ontology building class we use an example of building an ontology that can determine which flights are international (from a US perspective). We use this example at least in part to show […]
Semantics is/are in the air
by Dave McComb | The Whiteboard
I just got back from another trip to DC, and I'm struck by two things: Everyone (well the males over the drinking age anyway) wear ties. I may have to recycle my tie collection if I'm to spend much more […]
Ontologies — the essential difference
by Dave McComb | Knowledge Graphs & Ontologies
There are many differences between an ontologically inspired data model and a traditional data model, but it just occurred to me and I thought I should jot it down before it leaves me: the essential difference is in reducing complexity. […]
3 Case Studies in Enterprise Ontology
by Dave McComb | Knowledge Graphs & Ontologies
How Can You Use an Enterprise Ontology? Dave McComb presented three brief case studies on the use of Enterprise Ontologies. These Enterprise Ontologies were presented at Sallie Mae, Procter and Gamble, and LexisNexis at the OntologForum. Click here to view […]
Actualizing Potential – What’s in a Name?
by Michael Uschold | The Whiteboard
A flat tree stump or rock at a convenient height can be used as a chair, but we would not usually call it a chair until someone sits on it. Something designed to be sat on (e.g. a kitchen chair) […]
Role, the overloaded workhorse of the modeling world
by Dave McComb | The Whiteboard
If you are a data modeler or an ontologist, sooner or later you come across "role" and it becomes the "go to" pattern for most of your design problems. I know, I've been there. With a "role" in your hand, […]
Organizations in gist
by Dave McComb | gist & Open Standards
Michael Uschold was in the Fort for the last couple of days, and it sparked some interesting discussion on organizations in gist. In short we think we can now distinguish the broad range of types of organizations we want to […]
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