top of page
Search
Michael DeBellis
Apr 93 min read
Using SPARQL to Delete Duplicate Instances
Describes developing a query to delete objects that have different IRIs but are essentially duplicates.
147 views0 comments
Michael DeBellis
Nov 9, 20232 min read
One Good Hack Deserves Another
SPARQL query to delete asserted property values on datatype super properties
42 views0 comments
Michael DeBellis
Oct 25, 20233 min read
The DaanMatch System: A Knowledge Graph linking NGOs with UN Sustainable Development Goals
The DaanMatch project and how knowledge graphs and NLP were used to facilitate linking NGOs with the UN Sustainable Development Goals
218 views0 comments
Michael DeBellis
Jun 26, 20231 min read
YouTube Videos for Protégé Tutorial
Link to a YouTube playlist that takes you through some basic steps in Protégé
1,131 views2 comments
Michael DeBellis
Jan 10, 20236 min read
Using SKOS to Define Mappings
Describes ways to use the Simple Knowledge Organization System (SKOS) to define mappings from one Concept Scheme to another.
1,230 views1 comment
Michael DeBellis
May 30, 20223 min read
Semantic Web vs. Property Graphs
Discusses the pros and cons of property graphs (Neo4J and Cypher) contrasted with the Semantic Web stack: RDF, OWL, SPARQL, SHACL, SWRL
2,426 views1 comment
Michael DeBellis
May 5, 20221 min read
Knowledge Representation and the Semantic Web
I recently wrote a paper with Robert Neches who used to be my boss at the Information Sciences Institute (ISI). When I work with...
1,017 views0 comments
Michael DeBellis
Dec 1, 20213 min read
Using SPARQL to Refactor User Names to UUIDs
Use SPARQL to convert user supplied IRI names to UUIDs
571 views0 comments
Michael DeBellis
Apr 26, 20211 min read
Semtech 2021 Workshop
Presentations from the Semtech 2021 Semantic Web workshop held at the Indian Statistical Institute.
270 views0 comments
bottom of page