Nasty.Language.English.EventExtractor (Nasty v0.3.0)

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Extracts events from documents using semantic role labeling and temporal expressions.

Events are identified by trigger verbs or nominalizations, with participants extracted from semantic roles and temporal information from date/time expressions.

Examples

iex> {:ok, events} = EventExtractor.extract(document)
{:ok, [
  %Event{
    type: :business_acquisition,
    trigger: %Token{text: "acquired"},
    participants: %{agent: google, patient: youtube},
    time: "October 2006"
  },
  ...
]}

Summary

Functions

extract(document, opts \\ [])

Extracts events from a document.

Functions

extract(document, opts \\ [])

@spec extract(
  Nasty.AST.Document.t(),
  keyword()
) :: {:ok, [Nasty.AST.Event.t()]}

Extracts events from a document.

Options

  • :min_confidence - Minimum confidence threshold (default: 0.5)
  • :max_events - Maximum events to return (default: unlimited)
  • :event_types - List of event types to extract (default: all)

Examples

iex> EventExtractor.extract(document, min_confidence: 0.7)
{:ok, [%Event{confidence: 0.9}, ...]}