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Turn your engineering application ontology notes into a mind map

Upload a PDF, DOCX, PPTX, or your own notes and get an editable mind map that shows how classes, properties, and domain terms connect.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates mind maps in seconds

Why map an engineering application ontology

Ontology work in engineering gets dense quickly, with classes, properties, and domain terms spread across specs, papers, and lecture slides. An engineering application ontology mind map pulls those pieces into one view so you can see how a domain ontology connects to the task-specific classes your application needs.

Separate core classes from individuals so the hierarchy stays readable.
Label object properties with their domain and range before you memorize them.
Keep domain-level terms apart from the concepts a specific application adds.
Check each branch against your source to catch missing relations.

Example engineering application ontology mind map branches

Core ontology building blocksClasses · Individuals · Properties · Axioms

Object propertiesLink two classes · Define domain and range · Inverse relations · Transitivity

Application ontologyReuses domain terms · Adds task-specific classes · Scoped to one use case · Often built on a reference ontology

Engineering design ontology focusProduct structure · Functions · Behaviors · Requirements

Ontology languagesRDF · RDFS · OWL

Generate the full set

Built from your own material

Start from the lecture slides, specs, or papers you already have. Photos of pages are read with text recognition.

Editable and explorable

Rename nodes, move branches, and add or remove items so the map matches how your course organizes the topic.

Study from the map

Turn any branch into flashcards with spaced repetition or into a quiz with explanations.

How it works

Upload your source

Add a PDF, DOCX, PPTX, plain text notes, or photos of pages.

Generate the map

DeckOwl organizes the main concepts into branches and sub-branches.

Edit and explore

Adjust the structure, then study each branch in the browser or export it on a paid plan.

Upload a PDF, DOCX, PPTX, or your own notes, and DeckOwl builds a branched map you can rearrange, rename, and expand. Free accounts get 3 generations a month and can study in the browser, while Plus adds PDF, DOCX, Anki, and CSV exports.

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Frequently asked questions

How many branches should an engineering application ontology mind map have?

Aim for one top-level branch per core concept, such as classes, properties, and axioms, with two to four sub-branches each. Too many top-level branches makes the map hard to scan during review.

What is the difference between a domain ontology and an application ontology?

A domain ontology models general knowledge of a field, while an application ontology reuses those terms and adds concepts needed for one specific task. Mapping both side by side shows where the task-specific parts begin.

Can I edit the map after DeckOwl generates it?

Yes, you can rename nodes, move branches, and add or delete items. Exports to PDF and DOCX are part of the Plus plan, while the free plan keeps you studying in the browser.

Is the Plus plan worth it for students?

Plus costs $39 a year or $7.99 a month and removes the generation limit. Students get 40% off with a school email, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.