Cat breeds ontology

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Drawing a whale with a pencil in sketch book

This article is not finished and not reviewed thoroughly. If for some reason you want to continue reading, do it at your own risk, but do not forget to come back later to enjoy the final version.

First of all, what is an ontology? Does it exist like a file, or a database? Do you need special software to create it? What is the purpose of ontologies, can they do predictions, deductions?

What is an ontology?

Just read it here.

One quote from there

We can describe a task of configuring a product from its components according to a required specification and implement a program that does this configuration independent of the products and components themselves.

makes me think that with ontologies one can make an application to make custom PC from what is available on Amazon to fit expected requirements from a game specification.

Does it exist like a file?

Ontologies will help to structure data not more. But why I cannot use some DB instead?

There are specific formats for ontologies depending in what program it was created.

  • RDF - Sparql
  • OWL
  • TTL - Turtle

Do you need special software?

From the next article we can use Protégé editor to create an ontology. And VOWL plugin for it will help us to visualize it in the end.

Also I have found the same functionality in Mobi, Jena

But as a cool guy I need a JS library. So here is an overview

What is the purpose?

Professor Robert Stevens says

... an ontology describes those objects and sometimes defines what is needed to be known in order to recognise one of those objects within the information being processed by an application

Recognition you say?

After we create an ontology we can use a query language to finally get benefits from it. For example SPARQL is the query language of the Semantic Web. It lets us:

  • Pull values from structured and semi-structured data
  • Explore data by querying unknown relationships
  • Perform complex joins of disparate databases in a single, simple query
  • Transform RDF data from one vocabulary to another

Try it now

Here is the plan.

  • Make a test query in Sparkl and run it in JS library.

And more!

Did you know about DBpedia? It is a Large-scale, Multilingual Knowledge Base Extracted from Wikipedia. Check this out

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