OBO Relation Ontology

Basics

Index
Quickstart
History

Guide

Introduction
OWL Concepts
Annotation Properties
Object Properties
Property Chains
Identifiers
Shortcut Relations
Examples
Domain and Ranges

Design Patterns

Design Patterns Overview
Reflexivity
Direct and Indirect Relations
Process relations
Interaction Relations

RO Metamodel

Templates
Interaction relations

Modules

Modules Overview
RO Core
RO Neuron
Causal Relations

Links to other resources

mappings

Semantics

RO and BFO
Temporal Semantics

Legacy

Changes since 2005 paper
Chado Databases
RO and OBO Format

Contributing

Editors guide

OBO Relation Ontology

Docs »
Slot: first_member

Slot: first_member

URI: http://purl.obolibrary.org/obo/ro/ro-metamodel/first_member

Properties

Range: ObjectProperty
Cardinality: 0..1

Identifier and Mapping Information

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