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Research

Publication

  • 2018
  • Han, E. J., Chae, H., Woo, H., Sohn, S. Y. (2018), "Word2vec Algorithm Applied to Identify Gender-related Vocabulary Appeared in News Articles". Accepted for publication in Journal of the Korean Institute of Industrial Engineer.
    (Data Mining, CRM, Spatial Big Data)
  • 2018
  • Lee, W.K., Sohn, S. Y. (2018), "Utilizing mobile phone-based floating population data to measure the spatial accessibility to public transit". Applied Geography, 92, 123-130, 2018
    (Data Mining, CRM, Spatial Big Data)
  • 2018
  • Bernauer, L., Han, E. J., Sohn, S. Y. (2018), "Term Discrimination for Text Search Tasks Derived from Negative Binomial Distribution." Information Processing & Management, 54(3), 370-379, 2018
    (Data Mining, CRM, Spatial Big Data)
  • 2018
  • Kim, K. H., Han, E. J., Sohn, S. Y. (2018). "Identifying Influential Factors to Residential Vacancy in Seoul Based on a Geographically Weighted Lasso Model". Journal of the Korean Institute of Industrial Engineer, 44(1), 54-68, 2018
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Kwon D.S., Sohn S.Y., (2017), " Spatial Analysis of Small Churches in Seoul using Geographically Weighted Regression ", Journal of the Korean Geographical Society, 52(5), pp.182 2017
    (Data Mining, CRM, Spatial Big Data)
  • 2018
  • Han, E. J., Kang, K. Y., Sohn, S. Y. (2018), " Spatial Association of Public Sports Facilities with Body Mass Index in Korea ", Geospatial Health, 13(1), 542. 2018
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Park, C., Sohn, S. Y. (2017), "An Optimization Approach for the Placement of Bicycle-Sharing Stations to Reduce Short Car Trips: An Application to the City of Seoul", Transportation Research Part A: Policy and Practice, 105, 154-166, 2017
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Lee, J. P., Sohn, S. Y. (2017). "What makes the first forward citation of a patent occur earlier?". Scientometrics, 113(1), 279-298
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Han, E. J., Sohn, S. Y. (2017). "An Analysis on Spatial Autocorrelation between Increased Foreigners and Residential Mobility in Seoul". Journal of Korea Planners Association, 52(4), 201~224
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Lee, W. K. & Sohn, S. Y., "Taxi vacancy duration: a regression analysis", Transportation Planning and Technology, 40(7), 771-795, 2017
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Yeom, H. J., Lee, W. K., & Sohn, S. Y., "Autologistic models with an application to US presidential primaries considering spatial and temporal dependence", The Korean Journal of Applied Statistics, 30(2), 215-232, 2017.
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Cho, J. H., Sohn, S. Y., "Optimal Location Choice of Neighborhood Parks within Walking Distance based on Park Provision Assessment Index and Service Utility Estimation", Journal of Korean Planners Association, 52(2), 203-219, 2017.
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Choi, H. S., Lee, W. S., & Sohn, S. Y., "Analyzing research trends in personal information privacy using topic modeling", Computers & Security, 67, 244-253, 2017
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Gwak, J. H., Lee, B. K., Lee, W. K., & Sohn, S. Y., “Optimal Location Selection for the Installation of Urban Green Roofs Considering Honeybee Habitats along with Socio-Economic and Environmental Effects", Journal of Environmental Management, 189, 125-133, 2017
    (Data Mining, CRM, Spatial Big Data)
  • 2016
  • Kim, D. H., Kang, K. Y., Sohn, S. Y., "Spatial Pattern Analysis of CO2 Emission in Seoul Metropolitan City Based on a Geographically Weighted Regression", Journal of the Korean Institute of Industrial Engineers, 42(2), 96-111, 2016
    (Data Mining, CRM, Spatial Big Data)
  • 2015
  • Choi, H. S. & Sohn, S. Y., "Influence of Interests in Geographical Indication on the Prediction of Price Change of Agricultural Product: Case of Apples", Journal of the Korean Institute of Industrial Engineers, 41(4), 359-367, 2015
    (Data Mining, CRM, Spatial Big Data)
  • 2015
  • Lee, W. S. & Sohn, S. Y., "Topic Model Analysis of Research Trend on Spatial Big Data", Journal of the Korean Institute of Industrial Engineers , 41(1), 64-73, 2015
    (Data Mining, CRM, Spatial Big Data)
  • 2017
  • Yoo, Y. W., Sohn, S. Y., Ju, Y. H., " Quantitative Analysis of a Half-Century of K-Pop Songs: Association Rule Analysis of Lyrics and Social Network Analysis of Singers and Composers", Journal of Popular Music Studies, 29(3), e12225, 2017
    (Data Mining, CRM, Spatial Big Data)
  • 2013
  • Hong, S. J. & Sohn, S. Y., "Peer Group Analysis for Introducing Weather Derivatives for a City", Expert Systems With Applications, Vol. 40, No. 14, 5680-5687, 2013
    (Data Mining, CRM, Spatial Big Data)
  • 2012
  • Kim, Y. S., & Sohn, S.Y., "Stock fraud detection using peer group analysis", Expert Systems with Applications, Vol. 39, No. 10, 8986-8992, 2012
    (Data Mining, CRM, Spatial Big Data)
  • 2011
  • Na, S. H. & Sohn, S. Y., "Forecasting Changes in Korea Composite Stock Price Index (KOSPI) Using Association Rules", Expert Systems with Applications. Vol. 38, No. 7, pp. 9046-9049, 2011.
    (Data Mining, CRM, Spatial Big Data)
  • 2010
  • Min Seok Mok, So Young Sohn and Yong Han Ju, "Random effects logistic regression model for anomaly detection", Expert System with Applications, Vol.37, No. 10, pp. 7162-7166, 2010.
    (Data Mining, CRM, Spatial Big Data)
  • 2009
  • So Young Sohn, In Sang Chang, “CRM to improve the avoidance tendency in science and engineering college in Korea”, Expert Systems with Applications, Volume 36, Issue 5, July 2009, Pages 9592-9598
    (Data Mining, CRM, Spatial Big Data)
  • 2009
  • Shin, S.Y., Moon, T.H., Sohn, S.Y., " Structural equation model for effective CRM of information infrastructure industry in Korea", Expert Systems with Applications, Vol. 36, No. 2, pp. 1695-1705, March 2009.
    (Data Mining, CRM, Spatial Big Data)
  • 2009
  • Sohn, S.Y., Moon, T.H., Kim, J.S., " Optimal Pricing for Mobile Manufacturers in Competitive Market Using Genetic Algorithm", Expert Systems With Applications, Vol. 36, No. 2, pp.3448–3453, 2009.
    (Data Mining, CRM, Spatial Big Data)
  • 2009
  • Ahn, J.S., Sohn, S.Y., " Customer pattern search for after-sales service in manufacturing", Expert Systems with Applications, Vol. 36 No. 3 pp. 5371-5375 April 2009.
    (Data Mining, CRM, Spatial Big Data)
  • 2009
  • Doo Min Kyun Doo, So Young Sohn, Jong Seok Kim, "Multi-level association rules for MP3P marketing strategies based on extensive marketing survey data", Expert Systems With Applications, Vol. 36, pp.11582-11588, 2009.
    (Data Mining, CRM, Spatial Big Data)
  • 2008
  • Joo, Y.G., Sohn, S.Y.," Structural Equation Model for Effective CRM of Digital Content Industry", Expert Systems with Applications, Volume 34, Issue 1, Pages 63-71, January 2008.
    (Data Mining, CRM, Spatial Big Data)
  • 2008
  • Sohn, S.Y., Kim, Y.S., " Searching customer patterns of mobile service using clustering and quantitative association rule", Expert Systems with Applications, Volume 34, Issue 2, February 2008, Pages 1070-1077
    (Data Mining, CRM, Spatial Big Data)
  • 2007
  • Sohn, S.Y., Shin, H.W., " Experimental Study for the Comparison of Classifier Combination Methods", Pattern Recognition, Vol.40, No.1, pp.33-40, January 2007.
    (Data Mining, CRM, Spatial Big Data)
  • 2006
  • Sohn, S.Y., Lee, J.S., "Cost of ownership model for CRM system. Science of Computer Programming", Volume 60, Issue 1, Pages 68-81, 2006.
    (Data Mining, CRM, Spatial Big Data)
  • 2005
  • Shin, H.W. and Sohn, S.Y., Selected tree classifier combination based on both accuracy and error diversity. Pattern Recognition, Volume 38, Issue 2, February 2005, Pages 191-197
    (Data Mining, CRM, Spatial Big Data)
  • 2005
  • Moon, T.H., Sohn, S.Y., Intelligent approach for effective management of governmental funds for small and medium enterprises. Expert Systems with Applications, Volume 29, Issue 3, October 2005, Pages 566-572.
    (Data Mining, CRM, Spatial Big Data)
  • 2005
  • Hand, D., Sohn, S.Y., Kim, Y., Optimal bipartite scorecards. Expert Systems with Applications, Volume 29, Issue 3, October 2005, Pages 684-690
    (Data Mining, CRM, Spatial Big Data)
  • 2004
  • So Young Sohn and Tae Hee Moon, ‘Decision Tree based on data envelopment analysis for effective technology commercialization,’ Expert Systems with Applications, Volume 26, Issue 2, February 2004, Pages 279-284
    (Data Mining, CRM, Spatial Big Data)
  • 2004
  • Shin, H.W. and Sohn, S.Y, 'Segmentation of stock trading customers according to potential value, Expert Systems with Applications, Volume 27, Issue 1, July 2004, Pages 27-33
    (Data Mining, CRM, Spatial Big Data)
  • 2003
  • H. W. Shin and S. Y. Sohn, ‘Combining both ensemble and dynamic classifier selection schemes for prediction of mobile internet subscribers,’ Expert Systems with Applications, Volume 25, Issue 1, July 2003, Pages 63-68
    (Data Mining, CRM, Spatial Big Data)
  • 2000
  • S. Y. Sohn, "Meta Analysis with Potentially Correlated Results," Journal of Statistical Computation and Simulation, Vol 65, pp.95-107, 2000
    (Data Mining, CRM, Spatial Big Data)

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