Knows that the word "ontology" is ambiguous, referring to any RDF vocabulary, but more typically a set of OWL classes and properties designed to support inferencing in a specific domain.
Expressive Languages for Querying the Semantic Web
SPARQL 1.1 was recently released, which includes entailment regimes for RDFS and OWL vocabularies and a mechanism to express navigation patterns through regular expressions. Unfortunately, [...]
Knowledge Graph Identification
Large-scale information processing systems are able to extract massive collections of interrelated facts, but unfortunately transforming these candidate facts into useful knowledge is a formidable [...]
Suggesting Mappings from Relational Databases to Ontologies
This video discusses the CONTOMAP project, which seeks to solve the problem of mapping from relational databases to ontologies. Several possible approaches are outlined: naive, [...]
Web Ontology Language
A walk-through of the basic technologies underpinning OWL and the Semantic Web. Very brief and provides no exposition. May provide inspiration for the outline of [...]
Semantic Modeling
After this tutorial, you should be able to: 1) Compare and contrast the properties of the various data modeling types and their typical scope; 2) [...]
Protege: How To Create Classes And Properties
This video is about defining classes, properties, class hierarchies and property hierarchies using Protégé, a free, open-source ontology editor and framework. Although the video deals [...]
Intro to OWL & Ontology
This slide presentation is an overview of OWL, including its classes, properties, and restrictions. Also includes brief coverage of how OWL relates to RDF Schema [...]
What is an Ontology?
A brief description of an ontology and its benefits. Explains how classes and relationships are used in the RDF data model to make triples.URL: https://www.youtube.com/watch?v=jfUPLuPL3HoKeywords: [...]
OWL Reference for Humans
This lesson provides an introduction to the most useful stuff in OWL. It is not intended to be comprehensive, but it does contain quite a [...]
OWL 101
OWL (or Web Ontology Language) is the ontology (think "schema") language of the Semantic Web. It is one of the core Semantic Web standards one [...]