Archive

Posts Tagged ‘Pellet’

OWL 2 in Action – Property Chains

June 15th, 2009

pc_tutorial_ontology

This is the second article in our series that expands the code example from Chapter 5 of Semantic Web Programming to cover the semantics of OWL 2. This article covers property chains. The code can be downloaded from here (zip, 7z, tar.gz) and includes an Eclipse project with all required dependencies.

This article focuses on the semantics of property chains and how they are interpreted and applied in a reasoner that supports most of OWL 2 semantics (Pellet 2.0 RC6 – see the Pellet documentation for a full list of the semantics supported in each release candidate).

As I said in the first article, for a more in-depth exploration of OWL and Semantic Web, feel free to reference the book as needed or buy a copy so you can learn about the cool stuff in this article and more. Click the link below to read the rest of the article…

Read more…

Ryan Blace Book, OWL 2 In Action, Tutorial , , , , ,

OWL 2 in Action – Qualified Cardinality Restrictions

June 1st, 2009

Cmap of a qualified cardinality restriction

This article is the first in a short series of articles that expands the code example from Chapter 5 of Semantic Web Programming to include some of the features of OWL 2. The code can be downloaded from here (zip, 7z, tar.gz), including an Eclipse project and all dependencies. This article focuses on how the semantics of qualified cardinality restrictions are interpreted and applied in a reasoner that supports most of OWL 2 semantics (Pellet 2.0 RC6 – see the Pellet documentation for a full list of the semantics supported in each release candidate).

For a more in-depth exploration of OWL and Semantic Web, feel free to reference the book as needed or buy a copy so you can learn about the cool stuff in this article and more :)

Recall from Chapter 4 in the book that cardinality restrictions are a way to specify the number of statements that describe an individual with a unique value that have a particular property as the predicate of each statement… Read more…

Ryan Blace Book, OWL 2 In Action, Tutorial , , , , , , ,