Licenses & Attribution

Lumi-nus's dictionary, pronunciation, and scheduling data builds on several open datasets and projects. We're grateful to the people who created and maintain them, and we credit them here as their licenses require.

JMdict / EDICT (Japanese dictionary)

Japanese dictionary entries, readings, and glosses are derived from the JMdict/EDICT dictionary files, the property of the Electronic Dictionary Research and Development Group at Monash University, and are used in conformance with the Group's licence.

Licensed under Creative Commons Attribution-ShareAlike 3.0. See the EDRDG's licence page for full terms.

Kanjium (pitch accent data)

Japanese pitch-accent information is derived from the Kanjium project's accent database, used to show pitch contours alongside word readings.

Licensed under Creative Commons Attribution-ShareAlike 4.0.

Wiktextract & kaikki.org (Spanish, French, German, Italian, Portuguese, Russian, Korean, Chinese, English)

Dictionary data for these languages is extracted from Wiktionary, the free multilingual dictionary, using the Wiktextract tooling made available by kaikki.org. Wiktionary content is contributed by its community of volunteer editors.

Wiktionary content is available under the Creative Commons Attribution-ShareAlike 3.0 and GNU Free Documentation License. Learn more at kaikki.org.

wordfreq (word-frequency data)

Word-frequency rankings, used to choose which vocabulary appears in our beginner-to-advanced seed decks, come from the open-source wordfreq library.

FSRS (spaced-repetition scheduling)

Review scheduling is powered by the Free Spaced Repetition Scheduler (FSRS), an open-source algorithm for predicting memory retention.

Questions

If you believe content on Lumi-nus doesn't properly credit a source, or infringes rights you hold, contact us at [email protected]and we'll look into it promptly.