Nasty.AST.Semantic.Event (Nasty v0.3.0)

View Source

Event node representing actions, states, or processes.

Events capture temporal and aspectual information about actions mentioned in text.

Summary

Types

event_type()

Event type classification.

t()
temporal_info()

Temporal information about the event.

Types

event_type()

@type event_type() :: :action | :state | :process | :achievement

Event type classification.

  • :action - Dynamic event with agent ("run", "build", "write")
  • :state - Static situation ("know", "believe", "exist")
  • :process - Gradual change ("grow", "decay", "develop")
  • :achievement - Instantaneous event ("arrive", "die", "win")

t()

@type t() :: %Nasty.AST.Semantic.Event{
  participants: %{required(atom()) => term()},
  span: Nasty.AST.Node.span(),
  temporal: temporal_info(),
  trigger: Nasty.AST.Token.t() | Nasty.AST.VerbPhrase.t(),
  type: event_type()
}

temporal_info()

@type temporal_info() :: %{
  tense: :past | :present | :future | nil,
  aspect: atom() | nil,
  timestamp: String.t() | nil
}

Temporal information about the event.

  • tense - Past, present, or future
  • aspect - Perfective, imperfective, progressive, etc.
  • timestamp - Specific time reference (if mentioned)