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Parallel Passage Token Length Ratio

Compare explicitly tokenized parallel-passage lengths without selecting a tokenizer or judging translation fidelity.

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Description

Compare supplied source and target passage token counts.

Comparative literary records preserve editions, translations, source lines, rhyme classes and editorial omissions. A code-point count differs from a grapheme count, while an aligned token span depends on the supplied text and indexing convention. A source-qualified label does not establish faithful translation, authorship or an interpretation.

Compare supplied source and target passage token counts.

When to use this tool

Use Parallel Passage Token Length Ratio when you already have sourceTokenCount, targetTokenCount and need to compare supplied source and target passage token counts.

How to use the tool and how it works

  1. Enter sourceTokenCount, targetTokenCount. 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 targetToSourceRatio, difference. Use the output convention below.

Require source count positive safe and target count nonnegative safe; return target/source and target-source.1

Input fieldMeaning and unitsAccepted input
sourceTokenCountSource Token CountRequired. Safe integer; minimum 1.
targetTokenCountTarget Token CountRequired. Safe integer; minimum 0.
Output fieldInterpretationReturned shape
targetToSourceRatioTarget To Source RatioRequired. Finite number.
differenceDifferenceRequired. Safe integer.
json
{
  "input": {
    "sourceTokenCount": 80,
    "targetTokenCount": 100
  },
  "output": {
    "targetToSourceRatio": 1.25,
    "difference": 20
  }
}

Limitations and assumptions

  • Tokenization definitions must be comparable. No text is counted and no translation quality, completeness, alignment or semantic equivalence is inferred.
  • 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.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Read the original passage, translation and relevant editions alongside the stated editorial conventions. Verify context, source locators and attribution when preparing quotations or comparative arguments; local string operations do not make those scholarly judgments.

References

  1. Calculation and input contract: comparative-literature/parallel-passage-token-length-ratio — tool.io

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