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The Scientific Evidence and Provenance Information Ontology (SEPIO) is an OWL ontology developed to support rich, computable representations of the evidence and provenance behind scientific assertions. The core ontology defines a flexible and generic model that can be applied in any domain and extended with domain-specific features. The ontological model is the foundation of a larger SEPIO Framework that provides mechanisms to create custom schema for specific applications that leverage modern semantic web standards. The framework is comprised of four main components:

1. SEPIO Core Ontology: a computable, 'open-world' domain model encoded in the OWL description logic language.
2. SEPIO Information Model: provides an informal specification for how terms and design patterns defined in the ontology can be applied as a 'closed-world' model for structuring data.
3. SEPIO Profiles: subsets of the maximal information model that can be customized and extended to support a particular use case, and implemented in a formal schema language (e.g. JSON schema, ShEx).
4. SEPIO Value Sets: re-usable collections of terms bound to a particular attribute that can constrain values it can take in a particular Profile.

Data sources or developers interested in using SEPIO should begin by reading the Wiki pages recommended below, and browsing the current version of the SEPIO ontology located here. Comments or questions can be sent to Matthew Brush at [email protected], or posted as tickets in the SEPIO issue tracker.

The Wiki pages in this repository are currently being updated to reflect the current state of the SEPIO Model and Framework. The pages below are recommended starting points for exploration.

1. SEPIO Home: Summary level view of most important features and considerations for using SEPIO, with links to deeper dives into specific topics.
2. SEPIO Framework: Overview of the components of the framework and interactions between them.
3. SEPIO Ontology: Deeper dive into the foundational SEPIO model as implemented in its core ontology.
4. ClinGen-ACMG SEPIO Profile: Detailed look at a Profile created to represent rich evidence and provenance for clinical variant pathogenicity interpretations.

The SEPIO Ontology and Framework is an open source project, free to re-use and re-mix under a Creative Commons 3.0 BY license.