RcppMeCab can download and compile mecab-jieba as its bundled Mandarin Chinese dictionary when MECAB_LANG=zh. mecab-jieba dictionary build files: Copyright the lindera/mecab-jieba contributors License: MIT Source: https://github.com/lindera/mecab-jieba The mecab-jieba lexicon incorporates data derived from Jieba and CC-CEDICT: Jieba: Copyright the Jieba contributors License: MIT Source: https://github.com/fxsjy/jieba CC-CEDICT: Copyright the CC-CEDICT contributors License: Creative Commons Attribution-ShareAlike 4.0 International Source: https://cc-cedict.org/editor/editor.php?handler=Download These notices apply to the dictionary data under their respective terms and do not replace the GPL license for the RcppMeCab package code.