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5 Unleashing the potential of the Internet of Things

Appendix I

WoT description model

(This appendix does not form an integral part of this Recommendation.)

This appendix provides the following WoT description models.

I.1 Physical characteristics in WoT description

I.1.1 Device description
The device description provides information about things itself and its manufacturers. As a result,
browsers, search engines and applications discovery by browsing the product description will be
able to render its UI and visualization in an enhanced manner. Device description may have the
following general components:
– unique ID
– name
– brand
– manufacturer

– description
– device picture
– tags and
– authoritative information URL.

I.1.2 Location description
The location description provides the physical location information of things. The user and
application get the current latitude and longitude of the things. Also they get address, postal code,
country name, street information etc.

I.1.3 Owner description
The owner description provides the current owner of things.

I.2 Service characteristics in WoT description

I.2.1 Quality of service description

The quality of service description covers parameters such as bandwidth, up-time, average response
time it helps taking the right decision. In a WoT populated by billions of things quality of service
information can be of great help to choose the right things for the right application. These data can
be based on monitoring services or provided by the manufacturer of device and service provider.

I.2.2 Types of services description
The type of services description covers basic information required to describe things on the web.
It contains a description of services that a thing offers (e.g., sensor information, multimedia
service, etc.).

804 Rec. ITU-T Y.4414/H.623 (11/2015)