ESL learners' Vocabulary Knowledge Dataset 1 (EVKD1) is a dataset created via vocabulary tests over a crowdsourcing service. The creation of this dataset is supported by JSPS KAKENHI 15K16059.

Please fill up the following form and press the button, then the download link to the EVKD1 Dataset will APPEAR IN THIS PAGE. Please wait for a minute, as sometimes the link does not appear instantly. No mail will be sent to your e-mail address.
Please do never re-distribute the dataset file.

Please cite the following two papers to use the dataset.
author = {Yo Ehara},
title = {Building an English Vocabulary Knowledge Dataset of Japanese English-as-a-Second-Language Learners Using Crowdsourcing},
booktitle = {Proceedings of LREC 2018},
month = {May},
Year = {2018},
address = {Miyazaki, Japan},
author = {Ehara, Yo and Sato, Issei and Oiwa, Hidekazu and Nakagawa, Hiroshi},
title = {Mining Words in the Minds of Second Language Learners: Learner-Specific Word Difficulty},
booktitle = {Proceedings of COLING 2012},
month = {December},
year = {2012},
address = {Mumbai, India},
publisher = {The COLING 2012 Organizing Committee},
pages = {799--814},
url = {}


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