An Extensible Data Enrichment Scheme for Providing Intelligent Services in Internet of Things Environments

Table 3

Details for access information entities in ThingsMetadata.

Entity name	Description	Type
currentLocation	Name of location for target object	Literals
actionEnabled	Whether access fields are on or not	Boolean
subPropertyOf	Name of subproperty	Literals
superPropertyOf	Name of superproperty	Literals
connectionType	Connection type (bluetooth, BLE, IPv4, IPv6, SERIAL, OTHERS)	Enum literals
Discoverable	Whether the entity is discovered or not	Boolean
targetIPv4	Target IPv4 address	sockaddr^∗
targetIPv6	Target IPv6 address	sockaddr_in6^∗
targetAddr	Target address (manual)	Literals
Uuid	UUID strings	Literals

^∗indicates that the following data types have the same structure as POSIX libraries.