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{
"namespace": "admiralty-scale",
"description": "The Admiralty Scale or Ranking (also called the NATO System) is used to rank the reliability of a source and the credibility of an information. Reference based on FM 2-22.3 (FM 34-52) HUMAN INTELLIGENCE COLLECTOR OPERATIONS and NATO documents.",
"version": 4,
"predicates": [
{
"value": "source-reliability",
"expanded": "Source Reliability"
},
{
"value": "information-credibility",
"expanded": "Information Credibility"
}
],
"values": [
{
"predicate": "source-reliability",
"entry": [
{
"value": "a",
"expanded": "Completely reliable",
"description": "No doubt of authenticity, trustworthiness, or competency; has a history of complete reliability",
"numerical_value": 100
},
{
"value": "b",
"expanded": "Usually reliable",
"description": "Minor doubt about authenticity, trustworthiness, or competency; has a history of valid information most of the time",
"numerical_value": 75
},
{
"value": "c",
"expanded": "Fairly reliable",
"description": "Doubt of authenticity, trustworthiness, or competency but has provided valid information in the past",
"numerical_value": 50
},
{
"value": "d",
"expanded": "Not usually reliable",
"description": "Significant doubt about authenticity, trustworthiness, or co mpetency but has provided valid information in the past",
"numerical_value": 25
},
{
"value": "e",
"expanded": "Unreliable",
"description": "Lacking in authenticity, trustworthiness, and competency; history of invalid information",
"numerical_value": 0
},
{
"value": "f",
"expanded": "Reliability cannot be judged",
"description": "No basis exists for evaluating the reliability of the source",
"numerical_value": 50
},
{
"value": "g",
"expanded": "Deliberatly deceptive",
"numerical_value": 0
}
]
},
{
"predicate": "information-credibility",
"entry": [
{
"value": "1",
"expanded": "Confirmed by other sources",
"description": "Confirmed by other independent sources; logical in itself; Consistent with other information on the subject",
"numerical_value": 100
},
{
"value": "2",
"expanded": "Probably true",
"description": "Not confirmed; logical in itself; consistent with other information on the subject",
"numerical_value": 75
},
{
"value": "3",
"expanded": "Possibly true",
"description": "Not confirmed; reasonably logical in itself; agrees with some other information on the subject",
"numerical_value": 50
},
{
"value": "4",
"expanded": "Doubtful",
"description": "Not confirmed; possible but not logical ; no other information on the subject",
"numerical_value": 25
},
{
"value": "5",
"expanded": "Improbable",
"description": "Not confirmed; not logical in itself; contradicted by other information on the subject",
"numerical_value": 0
},
{
"value": "6",
"expanded": "Truth cannot be judged",
"description": "No basis exists for evaluating the validity of the information",
"numerical_value": 50
}
]
}
]
}