NewArticleObject creates a basic Article object that includes the public namespace in IRIs it's addressed to.

NewCreateActivity builds a basic Create activity that includes the given Object and the Object's AttributedTo property as the Actor.

NewDeleteActivity builds a basic Delete activity that includes the given Object and the Object's AttributedTo property as the Actor.

NewDocumentAttachment creates a new Attachment from the given URL, setting the correct type and automatically detecting the MediaType based on the file extension.

NewFollowActivity builds a basic Follow activity.

NewImageAttachment creates a new Attachment from the given URL, setting the correct type and automatically detecting the MediaType based on the file extension.

NewNoteObject creates a basic Note object that includes the public namespace in IRIs it's addressed to.

NewPersonObject creates a basic Person object.

NewUpdateActivity builds a basic Update activity that includes the given Object and the Object's AttributedTo property as the Actor.

Activity describes actions that have either already occurred, are in the process of occurring, or may occur in the future.

Object is the primary base type for the Activity Streams vocabulary.