Jhon Toledo (Ontology Engienering Group - Universidad Politécnica de Madrid)
Miguel Angel García (Ontology Engienering Group - Universidad Politécnica de Madrid
Oscar Corcho (Ontology Engineering Group - Universidad Politécnica de Madrid)
The core module represents concepts and properties that are general enough to be used across all modules.
Creative Commons Attribution 4.0 International (CC BY 4.0)
Ontology for the representation of core elements in the GTFS Realtime
Realtime information for the feed
Incrementalfetch
hasAlert
hasEntity
hasHeader
hasTripUpdate
hasVehiclePosition
The current schedule deviation for the trip. The delay field (in seconds) can be positive (meaning that the vehicle is late) or negative (meaning that the vehicle is ahead of schedule).
delay
Whether this entity is to be deleted.
is_deleted
Event as absolute time. In POSIX time (i.e., number of seconds since January 1st 1970 00:00:00 UTC).
time
This timestamp identifies the moment when the content of this feed has been created (in server time).
timestamp
Gtfs realtime version
version
Alert
EntitySelector
A definition (or update) of an entity in the transit feed.
FeedEntity
Metadata about a feed, included in feed messages.
FeedHeader
The contents of a feed message. A realtime feed is always defined with relation to an existing GTFS feed.
FeedMessage
Message
Position
StopTimeEvent
StopTimeUpdate
TimeRange
TranslatedString
Translation
TripDescriptor
Realtime update on the progress of a vehicle along a trip
TripUpdate
VehicleDescriptor
VehiclePosition