Module: Legion::Extensions::Apollo::Helpers::Confidence

Defined in:
lib/legion/extensions/apollo/helpers/confidence.rb

Constant Summary collapse

INITIAL_CONFIDENCE = 
0.5
CORROBORATION_BOOST = 
0.3
RETRIEVAL_BOOST = 
0.02
POWER_LAW_ALPHA = 
0.5
DECAY_THRESHOLD = 
0.1
CORROBORATION_SIMILARITY_THRESHOLD = 
0.9
WRITE_CONFIDENCE_GATE = 
0.6
WRITE_NOVELTY_GATE = 
0.3
STALE_DAYS = 
90
CONTENT_TYPES = 
%i[fact concept procedure association observation].freeze
STATUSES = 
%w[candidate confirmed disputed decayed archived].freeze
RELATION_TYPES = 
%w[is_a has_a part_of causes similar_to contradicts supersedes depends_on].freeze

Class Method Summary collapse

Class Method Details

.apply_corroboration_boost(confidence:, weight: 1.0) ⇒ Object 



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# File 'lib/legion/extensions/apollo/helpers/confidence.rb', line 36

def apply_corroboration_boost(confidence:, weight: 1.0, **)
  [confidence + (CORROBORATION_BOOST * weight), 1.0].min
end

.apply_decay(confidence:, age_hours: nil, alpha: POWER_LAW_ALPHA) ⇒ Object 



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# File 'lib/legion/extensions/apollo/helpers/confidence.rb', line 23

def apply_decay(confidence:, age_hours: nil, alpha: POWER_LAW_ALPHA, **)
  if age_hours
    [confidence * ((age_hours.clamp(0, Float::INFINITY) + 2.0)**(-alpha)) / ((age_hours.clamp(0, Float::INFINITY) + 1.0)**(-alpha)), 0.0].max
  else
    factor = 1.0 / (1.0 + alpha)
    [confidence * factor, 0.0].max
  end
end

.apply_retrieval_boost(confidence:) ⇒ Object 



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# File 'lib/legion/extensions/apollo/helpers/confidence.rb', line 32

def apply_retrieval_boost(confidence:, **)
  [confidence + RETRIEVAL_BOOST, 1.0].min
end

.decayed?(confidence:) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/extensions/apollo/helpers/confidence.rb', line 40

def decayed?(confidence:, **)
  confidence < DECAY_THRESHOLD
end

.meets_write_gate?(confidence:, novelty:) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/extensions/apollo/helpers/confidence.rb', line 44

def meets_write_gate?(confidence:, novelty:, **)
  confidence > WRITE_CONFIDENCE_GATE && novelty > WRITE_NOVELTY_GATE
end