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Source Claim Negation Marker Tool

Find exact supplied negation markers without deciding scope, truth or therapeutic efficacy.

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Description

Locate literal supplied negation-marker tokens in a claim.

Health-research records connect study identifiers, source assertions, outcome labels and timing conventions. A coverage count, literal match or recorded interval can expose missing information, while the quality of evidence, actual blinding and treatment effectiveness still require assessment of the original study.

Locate literal supplied negation-marker tokens in a claim.

When to use this tool

Use Source Claim Negation Marker when checking a supplied study-record, evidence-support or timing convention.

How to use the tool and how it works

  1. Enter claimTokens, suppliedNegationTokens. Follow any array-alignment requirements below. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read negationPositions, containsMarker. Inspect containsMarker before interpreting the associated values.

Locate literal supplied negation-marker tokens in a claim. Return matching zero-based positions and containsMarker from whether any matches exist.1

Input fieldMeaning and unitsAccepted input
claimTokensClaim TokensRequired. Array of text; maximum UTF-16 length 8192; maximum items 256.
suppliedNegationTokensSupplied Negation TokensRequired. Array of text; maximum UTF-16 length 8192; maximum items 256.
Output fieldInterpretationReturned shape
negationPositionsNegation PositionsRequired. Array of safe integer; maximum items 256.
containsMarkerContains MarkerRequired. Boolean.
json
{
  "input": {
    "claimTokens": [
      "does",
      "not",
      "improve"
    ],
    "suppliedNegationTokens": [
      "not",
      "never"
    ]
  },
  "output": {
    "negationPositions": [
      1
    ],
    "containsMarker": true
  }
}

Limitations and assumptions

  • This does not infer negation scope, claim meaning, truth or support for a chiropractic or health assertion.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.

Alternative or Complementary methods

Read the original research and registration records, appraise study design and bias, and consult qualified health professionals for conclusions that affect care.

References

  1. Calculation and input contract: chiropractic/source-claim-negation-marker — tool.io

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