
Ontology, from the ground up
Turn a business question into types, properties and meaningful relationships.
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- Separate a type from its records
- Choose a stable identity
- Give each relationship a meaning
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Explore a lesson, one chapter at a time. The storyboard is ready to browse; video recordings are coming soon.
Sample content for this design. This resource is coming soon.
From source fields to an answer
Select a chapter to explore its storyboard.01 / 03 Lesson storyboard
Supplier, Product and Order describe categories. Each record belongs to a type and keeps its own identity.
02 / 03 Lesson storyboard
orders.productOriginal fieldOrder → ProductA defined relationshiporders.product = products.id
Connect a business property to its source. The sample resolves each ordered product through an explicit identifier.
03 / 03 Lesson storyboard
Three matching orders. One traceable total.
$99,500SO-1042 · SO-1048 · SO-1051The fictional sample counts each matching order once. Its amount can be traced back to the original records.
Sample curricula for the learning library. Recordings and final lesson lengths are coming soon.

Turn a business question into types, properties and meaningful relationships.

Build a mapping that keeps identifiers, units and original records intact.

Use a credit as the connection between a film, a person and a role.

Separate the order of the story from the relationships between its characters.
Bring one question and a small source table. The proposed session walks through identity, relationship keys and the answer you expect to see.
Read the guide or inspect the sample records on your computer.