Internet of Things Architecture

Internet of Things – Architecture © - 63 -

Devices). In this case, there could be multiple associations of the same kind for
the same Virtual Entity. Associations are important in look-up and discovery
processes.

Device

Physical

Entity

Human

User

Service

On-Device

Resource Actuator Sensor

Network

Resource

Resource

User

Passive

Digital

Artefact

Active

Digital

Artefact

Virtual

Entity

Digital

Artefact

Augmented

Entity

Tag

Animate objects (humans, animals etc.)

Hardware

Software

Not clearly classifiable (e.g., combination)

Colour Schem e

XOR

0..*

contains

0..1

1

1

0..*

invokes /

subscribes

1..*

1..*

represents 1

0..*

has Information

about / acts on

0..*

0..*

is

associated

0..* with

0..*

contains

0..*

0..* identifies

0..* 0..1

is

associated

with

0..*

contains 0..*

0..1

1

1..*

0..*

contains

0..* 0..1

exposes

0..*

0..*

interacts

with

0..*

0..*

hosts 1

0..*

is

attached

to

0..*

0..*

reads

0..*

0..*

monitors

0..*

0..*

acts

on

0..*

Figure 10 : UML representation of the IoT Domain Model.