{
  "version": 4,
  "source": "JMdict/EDICT, Electronic Dictionary Research and Development Group; original sentence templates",
  "sourceUrl": "https://www.edrdg.org/wiki/JMdict-EDICT_Dictionary_Project.html",
  "downloadUrl": "https://www.edrdg.org/pub/Nihongo/JMdict_e.gz",
  "license": "CC BY-SA 4.0",
  "licenseUrl": "https://creativecommons.org/licenses/by-sa/4.0/",
  "sourceSha256": "ca4f7d28b45f9de30e0332b6174c582eb6d152c64d06bd44d183551988ea4b97",
  "date": "2026-09-08",
  "uniqueWords": 29500,
  "uniqueSentencePrompts": 15000,
  "uniquePrompts": 44500,
  "levelSizes": [
    500,
    2000,
    3000,
    4000,
    5000,
    6000,
    7000,
    8000,
    9000
  ],
  "levelTypes": [
    "word",
    "word",
    "word",
    "sentence",
    "question-answer",
    "two-line-message",
    "word",
    "word",
    "word"
  ],
  "overlapBetweenLevels": 0,
  "duplicateReadings": 0,
  "modifications": "Japanese headwords/readings extracted, filtered, ranked and deduplicated by both headword and reading. Word decks are disjoint. 15,000 original complete sentence/question/message combinations are generated from the editorial templates in scripts/curriculum.py. Common grammatical words and sentence fragments recur naturally; complete prompts do not repeat between levels."
}