Title	Exploring and Determining Missing-data Imputation Method for Socio-economic Data by Way of Designing a Simulation Study in the Context of Gross National Happiness (GNH) Data Set
Author	Sonam Tshering, Takeo Okazaki, Satoshi Endo
Citation	Vol. 12  No. 5  pp. 32-38
Keywords	Bootstrap, Missingness, Imputation, Algorithm

Title	Developing a Web-based GNH Survey Application and a Web Service for Identifying Missing Data Mechanism in Incomplete Survey Data
Author	Sonam Tshering, Takeo Okazaki, Satoshi Endo
Citation	Vol. 12  No. 8  pp. 44-48
Keywords	GDP, GNH, survey, application, missing data mechanism, web services

Title	Comparative Study of Score Functions for Edge Orientation Problem in Network Estimation
Author	Hitoshi Afuso, Takeo Okazaki, Morikazu Nakamura
Citation	Vol. 12  No. 9  pp. 32-38
Keywords	TRNs estimation, Edge Orientation Problem, Bayesian score functions, PageRank Orientation Metric

Title	Artificial Data Generation Scheme Based on Network Alignment for Evaluation Considering Structural Diversity
Author	Hitoshi AFUSO, Takeo OKAZAKI, Morikazu NAKAMURA
Citation	Vol. 12  No. 11  pp. 59-64
Keywords	Artificial TRNs generation method, Confirmation of structural diversity, Network alignment