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An offer to participate in the event, for example, Call for Proposals, Call for Speakers, or Call for Performers.
An offer to sponsor the event, for example, Sponsorship Prospectus, Sponsorship Opportunities, or Sponsor Packages.
A person or organization who owns this Thing.
An organizer of an Event.
A performer at the event—for example, a presenter, musician, musical group or actor.
The main performer or performers of the event—for example, a presenter, musician, or actor.
Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
Used in conjunction with eventStatus for rescheduled or cancelled events. This property contains the previously scheduled start date. For rescheduled events, the startDate property should be used for the newly scheduled start date. In the (rare) case of an event that has been postponed and rescheduled multiple times, this field may be repeated.
The CreativeWork that captured all or part of this Event.
The number of attendee places for an event that remain unallocated.
A review of the item.
URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
A person or organization that supports a thing through a pledge, promise, or financial contribution. E.g. a sponsor of a Medical Study or a corporate sponsor of an event.
The start date and time of the item (in [ISO 8601 date format](http://en.wikipedia.org/wiki/ISO_8601)).
An Event that is part of this event. For example, a conference event includes many presentations, each of which is a subEvent of the conference.
Events that are a part of this event. For example, a conference event includes many presentations, each subEvents of the conference.
A CreativeWork or Event about this Thing.
An event that this event is a part of. For example, a collection of individual music performances might each have a music festival as their superEvent.
Organization or person who adapts a creative work to different languages, regional differences and technical requirements of a target market, or that translates during some event.
The typical expected age range, e.g. '7-9', '11-'.
URL of the item.
A work featured in some event, e.g. exhibited in an ExhibitionEvent. Specific subproperties are available for workPerformed (e.g. a play), or a workPresented (a Movie at a ScreeningEvent).
A work performed in some event, for example a play performed in a TheaterEvent.