From Data Modeling To Owl - Flying Through Semantics - Webinar By Itxpertpanel

The notation can be very effective at representing business structure

, but is limited in its ability to represent business rules and other constraints. It is good for presentation purposes, but other than as a template for database design, the resulting model cannot be operated on electronically.

The Resource Definition Framework (RDF) is an approach to recording terms and definitions on the World-wide Web. A domain of interest is represented by a set of simple three-part sentences (a subject, a predicate, and an object). These sentences can describe anything about both classes and instances of those classes. Additional reserved words are then used to build semantic languages-notably RDF Schema and the Web Ontology Language (OWL).

There is a graphic version of these languages, but the heart of the model is in textual descriptions of the simple sentences. As such, they are not nearly as accessible to the casual observer, but they are more extensible and expressive in what they can describe. More significantly, the descriptions encoded in these languages can be operated on by automated retrieval and analysis processes.

The presentation will be about both data modeling and the semantic web. It will start with introduction of a business-oriented entity/relationship model as an example of an ontology. The approach taken is specifically to make the drawings accessible to a non-technical audience. The next step will be introduction of the languages Resource Description Framework (RDF), RDF Schema, and the Web Ontology Language (OWL). This allows representations of similar assertions, but it also allows representation of sample instances of the classes. Moreover, software called an "inference engine" can be applied to identify inconsistencies, as well as often surprising conclusions.

Even though these languages are based on XML, the presentations here will be in terms of "Turtle", a much more accessible language for describing them.

This presentation will then take the example entity/relationship diagram and show how it can be rendered as an OWL model. The presentation will cover both the similarities and the fundamental differences between the two approaches.

Areas Covered in the Session:

Definitions

About Data Models

About Ontology Languages

The Foundation: The Semantic Web

RDF: Resource Description Framework

RDF Schema

OWL: Web Ontology Language

Converting a Sample Data Model

What's new

Who Will Benefit: This discussion will benefit any organization that wants to improve the control of their current clean room faclity or those considering building or upgradeing their clean rooms. It should be of interest to:

QA and Manufacturing Managers

Engineers

Supervisors

consultants

Auditors responsible for designing or qualifying controlled environments or operating within them

by:

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