CM Relationships

Relationships in the conceptual data model for the three use cases selected:

Buyer

Label	Definition	Range/Data type	Cardinality
	To be defined

Call For Tender

Label	Definition	Range/Data type	Cardinality
is Published By	An Agent that is responsible for making a Document available.	Agent (Procuring Entity)	1...1
procures	A Product Or Service Or Work of which the supply, provision or execution is requested.	Product Or Service Or Work	1...n
requires	A required characteristic.	Procurement Criterion	1...n

Classification

Label	Definition	Range/Data type	Cardinality
	To be defined

Contract

Label	Definition	Range/Data type	Cardinality
is Contract For	A Contract Award Notice that has been awarded	Contract Award Notice	1...1
is Contracted By	An Agent that issues and signs a Contract.	Agent (Buyer)	1...1
is Contracted To	An Agent that receives and countersigns a Contract	Agent (Economic Operator)	1...1
has Net Value	An amount of money, exclusive of VAT.	Monetary Value	1...1
procures	A Product Or Service Or Work of which the supply, provision or execution is requested.	Product Or Service Or Work	1...n

Contract Award Notice

Label	Definition	Range/Data type	Cardinality
is Award For	A Call for Tender for which a selection has been made.	Document (Call For Tender)	1...1
is Published By	An Agent that is responsible for making a Document available.	Agent (Procuring Entity)	1...1

Contracting Authority

Label	Definition	Range/Data type	Cardinality
	To be defined

Country

Label	Definition	Range/Data type	Cardinality
	To be defined

Currency

Label	Definition	Range/Data type	Cardinality
	To be defined

Economic Operator

Label	Definition	Range/Data type	Cardinality
operates In	A Location in which an Agent is active.	Location (Country)	1...n

Evidence

Label	Definition	Range/Data type	Cardinality
	To be defined

Invoice

Label	Definition	Range/Data type	Cardinality
is Invoiced Under	A Contract under which an Invoice is issued.	Document (Contract)	1...1
is Issued By	An Agent that sends an Invoice.	Agent (Economic Operator)	1...1
is Issued To	An Agent that receives an Invoice.	Agent (Buyer)	1...1
has Net Value	An amount of money, exclusive of VAT.	Monetary Value	1...1
has VAT	An amount of money that is the Value Added Tax.	Monetary Value	0...1
charges For	A Product Or Service Or Work for which an Invoice is issued	Product Or Service Or Work	1...n

Monetary Value

Label	Definition	Range/Data type	Cardinality
has Currency	kind of money. Use of values from the MDR Currency NAL is mandatory.	Concept (Currency)	1...1

Other Contracting Entity

Label	Definition	Range/Data type	Cardinality
	To be defined

Payment

Label	Definition	Range/Data type	Cardinality
is Evidenced By	An Evidence that proves a transaction.	Evidence	1...n
is Paid By	An Agent that makes a Payment.	Agent (Buyer)	1...1
is Paid To	An Agent that receives a Payment.	Agent (Economic Operator)	1...1
is Payment For	An Invoice against which a Payment is made.	Document (Invoice)	1...1
has Net Value	An amount of money, exclusive of VAT.	Monetary Value	1...1
has VAT	An amount of money that is the Value Added Tax.	Monetary Value	0...1

Procurement Criterion

Label	Definition	Range/Data type	Cardinality
	To be defined

Procuring Entity

Label	Definition	Range/Data type	Cardinality
	To be defined

Product Or Service Or Work

Label	Definition	Range/Data type	Cardinality
is Classified By	A term in a classification scheme.	Concept (Classification)	1...n
is Specified By	A Document that describes the characteristics of something.	Document (Specification)	1...1

Public Undertaking

Label	Definition	Range/Data type	Cardinality
	To be defined

Specification

Label	Definition	Range/Data type	Cardinality
	To be defined

Tender

Label	Definition	Range/Data type	Cardinality
is Submitted By	An Agent that is responsible for sending a Document	Agent (Economic Operator)	1...1
offers	A Product Or Service Or Work that is proposed.	Product Or Service Or Work	1...n
responds To	A Call For Tender in response to which a Tender is submitted	Document (Call For Tender)	1...1

Submit an issue:

To propose a new relationship or to create any issue related to relationships, please click here and then click on "New issue". In the first case, adapt the first column of the table proposed to follow the property template below:

Element	Description
Label	A short title of the property, e.g. “hasVAT”
Definition	A definition of the concept that is accepted by the working group members within the context of the e-procurement ontology.
Domain	A domain is a way to state that any resource that has a given property is an instance of one or more classes. E.g. the relationship “publishes” has domain “Contracting Authority” and range “call for tender”.
Range	A range state that the values of a property are instances of one or more classes, e.g. the relationship “publishes” has domain “Contracting Authority” and range “call for tender”.
Cardinality	The cardinality is way to define the relationship between two entities in a data model, e.g. one-to-one (1..1), one-to-many (1..n), etc.

Use the second column of the template as guidance to propose the new relationship.