top of page
Search


What's in a Name? IRIs, Labels, and UUIDs
In Protégé and OWL an entity name can refer to the last part of the IRI or the label

Michael DeBellis
Dec 7, 20204 min read


CODO: An Ontology for Collection and Analysis of Covid-19 Data
CODO is an ontology to provide semantics to data on the Covid-19 pandemic

Michael DeBellis
Aug 7, 20202 min read


Drools vs. Pellet for SWRL rules
This explains the difference between using the Drools buttons at the bottom of the SWRLTab and using Pellet and why Pellet is usually better

Michael DeBellis
Jun 26, 20203 min read


Some Best Practices for New Protege Users
Collection of blog posts that describe best practices and tips for new users of Protege, OWL, and SWRL

Michael DeBellis
Oct 16, 20193 min read


OWL Best Practices: Implementing N-ary Relations
How to implement N-ary relations with additional classes in OWL

Michael DeBellis
Oct 15, 20192 min read


OWL Best Practices: Using Enumerated Classes to Define Ordered Values
Describes a design pattern for representing qualitative values (e.g., low, medium, high) as an enumerated class and transitive properties

Michael DeBellis
Oct 15, 20193 min read


OWL Best Practices: Some Theoretical Basics
Overview of the theory behind OWL as well as how OWL relates to other CS paradigms such as OOP and relational DBs

Michael DeBellis
Oct 10, 20192 min read


Protege Best Practices: Export Inferred Axioms
How to save reasoner inferences in an OWL file

Michael DeBellis
Oct 4, 20193 min read


SWRL Tip: Removing Ontology Prefixes from SWRL rules
How to remove ontology prefixes for the base ontology from SWRL rules

Michael DeBellis
Sep 12, 20193 min read


Universal Moral Grammar (UMG) Ontology
Describes an ontology I presented at Semantics 2018 based on Hauser's concept of a Universal Moral Grammar (UMG)

Michael DeBellis
Jul 23, 20192 min read


Semantic Web Rule Language (SWRL) Process Modeling Tutorial
A simple tutorial to learn SWRL by developing a small ontology for modeling software processes

Michael DeBellis
Jul 22, 20192 min read


Modeling Evolutionary Game Theory Using Microsoft Excel
Example file demonstrating how game theory models can be modeled in Excel

Michael DeBellis
Jul 21, 20193 min read


What's It Like to Be a Computer?
A critique of Nagel's famous "What's It Like to be a Bat" paper

Michael DeBellis
Jul 20, 20185 min read
bottom of page