Basics and Motivation

An introduction to the idea of layers for schemas

Model and Syntax

Layered schema meta model described as labeled property graphs and JSON-LD serialization

Working with Layers: Schemas, Overlays, and Bundles

A tutorial on how to work with schemas and overlays using bundles

Using Spreadsheets for Layered Schemas

Using spreadsheets and CSV files to define layered schemas

Data Types

Data types suported by layered schema architecture

Composition and Slicing

Composing a schema involves building a schema variant from a schema base and overlays. Slicing a schema creates a schema base and one or more overlays.

Entities

Entities, unique ids, links

Value sets and dictionaries

Value sets and dictionaries are used to normalize and codify data