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.