Replacing old version of comp index.
Visualizing RDF Graphs
In this video tutorial, the presenter uses Omnigraffle to sketch out the RDF data model, explaining each component as he does so. The walk-through is [...]
How Does a Graph Database Differ From a Relational Database?
This video describes the difference between a graph database model (such as RDF) and the relational database model (RDBMS). Focuses on the increased efficiency of [...]
How Is SPARQL Different From SQL?
This video explains how the SPARQL query language differs from SQL. Highlighted is the ability of SPARQL to handle complex joins that would be too [...]
Simple Protege Tutorial: Creating the Ontology Classes
In this video, the presenter demonstrates the first steps of starting an ontology project using the Protege tool. The initial classes and sub-classes are created.URL: [...]
Simple Protege Tutorial: Intro
The presenter begins his tutorial series by explaining what the example ontology looks like.URL: https://www.youtube.com/watch?v=R9ERlUgvgwMKeywords: Ontology, ProtegeAuthor: Sadawi, NoureddinDate created: 2014-02-05 05:00:00.000 Language: http://id.loc.gov/vocabulary/iso639-2/engTime required: [...]
Databases: Graph vs. Relational
This video describes the differences between graph database models (such as RDF) and relational models (RDBMS). The narrator gives examples of when it would be [...]
Converting LAK Data to R Format
In this video, the presenter demonstrates how to retrieve the LAK (Learning Analytics and Educational Data Mining) dataset from the Web and load it into [...]
Using R To Do a SPARQL Query
This video tutorial shows how to use R code (specifically, the "SPARQL" package) to grab the results from a SPARQL query instead of doing it [...]
Simple Protege Tutorial: Adding Individuals
In this video, individuals (aka, "instances") are created and assigned to the previously created classes and sub-classes. Also shows how to add data property assertions [...]
Simple Protege Tutorial: Adding Object Properties
In this video, properties are added to express the relationships between objects belonging to the various classes. Sub-properties, domains, and ranges are also discussed. Also [...]