def updateScore(self, currentOccuranceTime, scoreToUpdate, **stream_settings):
timeDifference = DateTimeAirthematic.getDifferenceInTimeUnits(
currentOccuranceTime, self.latestOccuranceTime, stream_settings["time_unit_in_seconds"].seconds
)
self.score = (
exponentialDecay(self.score, stream_settings["phrase_decay_coefficient"], timeDifference) + scoreToUpdate
)
self.latestOccuranceTime = currentOccuranceTime
def exponentialDecay(stream, vector, decayCoefficient, timeDifference,
**kwargs):
for k in stream:
stream[k] = exponentialDecay(stream[k], decayCoefficient,
timeDifference)
for k in vector:
if k in stream: stream[k] += vector[k]
else: stream[k] = vector[k]
def exponentialDecay(stream, vector, decayCoefficient, timeDifference, **kwargs):
for k in stream:
stream[k] = exponentialDecay(stream[k], decayCoefficient, timeDifference)
for k in vector:
if k in stream:
stream[k] += vector[k]
else:
stream[k] = vector[k]
def updateScore(self, currentOccuranceTime, scoreToUpdate,
**stream_settings):
timeDifference = DateTimeAirthematic.getDifferenceInTimeUnits(
currentOccuranceTime, self.latestOccuranceTime,
stream_settings['time_unit_in_seconds'].seconds)
self.score = exponentialDecay(
self.score, stream_settings['phrase_decay_coefficient'],
timeDifference) + scoreToUpdate
self.latestOccuranceTime = currentOccuranceTime
