This data is phonetically labeled Korean Corpus of Spontaneous Speech (aka, Seoul Corpus).
This work was supported by the National Research Foundation of Korea Grant funded by the Korean Government (NRF-2012S1A5A2A03034027).
You can cite the data using the following BibTeX entry:
<br>
<pre>
@article{yunetal2015,
	title={The Korean Corpus of Spontaneous Speech},
	author={Yun, W., Yoon, K., Park, S., Lee, J., Cho, S., Kang, D., Byun, K., Hahn, H., Kim, J.},
	journal={Journal of the Korean Society of Speech Sciences},
	volume={7(2)},
	pages={103–109},
	year={2015},
	publisher={}
}
</pre>