Alert

An Alert can be used to notify people of important information.

IRI: https://w3id.org/citydata/part2/v1/Alert

Diagram

SVG (interactive)PNG

Formalization for Alert

Property	Constraint
activities	only cdm1:Activity
activities	only cdm1:Activity
beginInstant	max 1
beginInstant	max 1 time:Instant
category	only Code
category	only Code
cause	only Code
cause	only Code
cdm1:hasDescription	exactly 1
cdm1:hasDescription	exactly 1 xsd:string
certainty	only Code
certainty	only Code
creationInstant	exactly 1
creationInstant	exactly 1 time:Instant
distribution	only Code
distribution	only Code
effect	only Code
effect	only Code
endInstant	max 1
endInstant	max 1 time:Instant
expiryInstant	only time:Instant
expiryInstant	only time:Instant
headline	exactly 1
headline	exactly 1 xsd:string
issuer	exactly 1
issuer	exactly 1 cdm1:Agent
lastUpdateInstant	exactly 1
lastUpdateInstant	exactly 1 time:Instant
location	only geo:Geometry
location	only geo:Geometry
recommendation	only Code
recommendation	only Code
referencedAlert	only Alert
referencedAlert	only Alert
resources	only cdm1:Resource
resources	only cdm1:Resource
severity	max 1
severity	max 1 Code
status	exactly 1
status	exactly 1 Code
urgency	max 1
urgency	max 1 Code
website	only xsd:anyURI
website	datatype xsd:anyURI
subClassOf	AlertThing

Used by classes

Class	Property
Alert	referencedAlert