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Implementation of a simple claim reliability scoring function #165

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Implementation of a simple claim reliability scoring function #165

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22 changes: 22 additions & 0 deletions app/services/implementations/claim_reliabity_scoring
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def claim_reliabity_scoring(atomic_verdicts:list[str]) -> float:
"""
This function calculates the claim reliability scoring based on the atomic verdicts.
The scoring is calculated as the ratio of true verdicts to the total number of verdicts.

@IslamHisham IslamHisham Jun 16, 2026

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I will edit the documentation of the function later as it is not yet precise.


:param atomic_verdicts: A list of values representing the atomic verdicts.
:return: A float value representing the claim reliability scoring.
"""
if not atomic_verdicts or len(atomic_verdicts) == 0:
raise ValueError("Atomic verdicts list is empty")
score=0.0
for verdict in atomic_verdicts:
if verdict.lower() == "true":
score += 1.0
elif verdict.lower() == "false":
score += -1.0
elif verdict.lower() == "unverifiable":
score += 0.0
else:
raise ValueError(f"Invalid verdict value: {verdict}. Expected 'true', 'false', or 'unverifiable'.")

return score / len(atomic_verdicts)