Published and Accepted papers

1. Lee, S., Hwang, J., (2018). A study on variable selection and classification in dynamic analysis data for ransomware detection. The Korean Journal of Applied Statistics, 31(4), 497–505.

2. Hwang, J., Kim, J., Lee, S., and Kim, K. (2020). Two-stage ransomware detection using dynamic analysis and machine learning techniques. Wireless Personal Communications, 112(4), 2597–2609.

3. Lim, J. Y., Kim, S., Kim, J., and Lee, S. (2020). Identifying trends in nursing start-ups using text mining of YouTube content, PloS one, 15(2), e0226329.

4. Park, H., Lee, S., Lee, E.-J., Cho, Y., Park, Y. S., Lee, J., and  Yu, D. (2020). Short-term forecasting for sea surface temperature based on tidal observatory observations. Journal of the Korean Data & Information Science Society, 31(2), 255–271. 

5. Lee, S., Cho, Y., Lee, J. S., and  Yu, D. (2020). Comparative study of recommender systems using movie rating data. Journal of the Korean Data & Information Science Society, 31(6), 975–991. 

6. Choi, Y.-G., Lee, S., and Yu, D. (2021). An efficient parallel block coordinate descent algorithm for large-scale precision matrix estimation using graphics processing units. Computational Statistics, 37, 419–443.

7. Lee, S., Kim, S.-C., and Yu, D. (2022). An efficient gpu-parallel coordinate descent algorithm for sparse precision matrix estimation via scaled lasso. Computational Statistics, 38, 217–242.

8. Cho, Y., Lee, S.,  Kim, J., and Yu, D. (2023). Sparse partial correlation estimation with Scaled lasso and its GPU-parallel algorithm. IEEE Access, vol. 11,
   64093–65104.

Presentations

1. "A study on variable selection and classification in dynamic analysis data for ransomware detection", 2018-Spring Korean statistical society meeting (Poster) at Busan, Korea (May., 2018)

2. "Ransomware detection using API sequence N-gram and deep neural networks", 2018-Fall Korean statistical society meeting (Poster) at Seoul, Korea (Nov., 2018)

3. "An efficient parallel block coordinate descent algorithm for large-scale precision matrix estimation using graphics processing units",  2021-Spring Korean statistical society meeting, virtual conference (May., 2021)

4. "Short-term forecasting for Korean coastal sea surface temperature and monitoring its levels", EcoSta 2021 (Poster), virtual conference (Jun., 2021)

Granted Patent

1. "The two-stage  method for detecting Ransomware  using  Dynamic  Analysis  and Machine  Learning",  Patent No. :  1024541910000 (2022.10.07)