To interpret and define a relationship, the following ontological constructs are used:

- thing
- property
- attribute
- functional schema, state, law
- interaction
- class and kind
- composition of things

Ontological Constructs Used to Interpret a Relationship

Conceptual modeling constructed based on models of reality (ontology) and the corresponding domains and rules of entity-relationships. 

San Jose State University

Ontological models are used in designing information processing software/databases in computer science. It is useful when determining how to implement conceptual models effectively. 

Ontology in Computer Science

The following theories/models are used to validate conceptual models:
- Ontological model

Methods used to Validate Conceptual Models

Wand, Y., Storey, V. C., & Weber, R. (1999). An ontological analysis of the relationship construct in conceptual modeling. ACM Transactions on Database Systems (TODS), 24(4), 494-528.

An ontological analysis of the relationship construct in conceptual modeling

Ontology in Conceptual Modeling Constructs

Why do we have a node for multiple methods if we are only going to provide one? I feel like we should list multiple if we're going to have an entire node for it. 

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