Thanks to the Japan Science and Technology Agency (JST) PRESTO Sakigake program in the research area Synthesis of Knowledge for Information Oriented Society (Awardee; Alastair Butler, 2010–2014) for supporting the initial design of the corpus.
Further development has been funded by the Japan Society for the Promotion of Science (JSPS): KAKENHI-PROJECT-15K02469, KAKENHI-PROJECT-19K00541.