Sadahiro Y and I Yamada (2024): Point cluster analysis using weighted random labeling, Journal of Geographical Systems, to appear.

Sadahiro Y and H Matsumoto (2024): Market area analysis with a focus on the spatial relationship between sites and their visitors, Transactions in GIS, 28 (5), 1111-1129.

Sadahiro Y and H Matsumoto (2024): Analysis of a spatial point pattern in relation to a reference point, Journal of Geographical Systems, 26, 351-373.

Perez J, G Fusco and Y Sadahiro (2024): Population and Morphological Change: A Study of Building Type Replacements in the Osaka-Kobe City-region in Japan, Geographical Analysis, 56 (3), 471-493 .

Wang S and Y Sadahiro (2024): Horizontal and vertical inequity of multi-modal healthcare accessibility in the aging Japan in the post-COVID era: a GIS-based approach, International Journal of Eigital Earth, 17 (1). https://doi.org/10.1080/17538947.2024.2310731

Sadahiro Y (2024): Event pattern analysis: The point density around the appearance and disappearance of points, Journal of Spatial Science, 69 (2), 649-663.

Sadahiro Y (2024): Event pattern analysis: Peak detection and pattern comparison, Geographical Analysis, 56 (1), 143-162.

Nurunnabi A, Y Sadahiro, F N Teferle, D F Laefer and J Li (2023): Detection and segmentation of pole-like objects in mobile laser scanning point clouds, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, XLVIII-1/W2-2023.

Wang S, H Ning, X Huang, Y Xiao, M Zhang, EF Yang, Y Sadahiro, Y Liu, Z Li, T Hu, X Fu1, Z Li and Y Zeng (2023): Public surveillance of social media for suicide using advanced deep learning models in Japan: Time series study from 2012 to 2022, Journal of Medical Internet Research, 25:e47225. doi: 10.2196/47225. PMID: 37267022.

Sadahiro Y (2023): Event pattern analysis: Spatial clustering of sequential events and temporal change of events over time, Transactions in GIS, 27 (1), 260-274.

Perez J, G Fusco and Y Sadahiro (2022): Classification and clustering of buildings for understanding urban dynamics: A framework for processing spatiotemporal data, Revue Internationale de Géomatique, 31 (3-4), 303-328.

Sadahiro Y (2022): A method for evaluating the degree of spatial and temporal avoidance in spatial point patterns, Journal of Geographical Systems, 24 (2), 241-260.

Wang S and Y Sadahiro (2022): A fine-grained evaluation of social vulnerability to COVID-19, healthcare access and built environmental disparities in Tokyo, Japan, International Journal of Eigital Earth, 15 (1), 2006-2027.

Sadahiro Y (2021): A method for analyzing the daily variation in the spatial pattern of market area, Journal of Retailing and Consumer Services, 58.

Sadahiro Y (2021): A method for analyzing the expansion and shrinkage of point pattern, Transactions in GIS, 25 (1), 534-550.

Sadahiro Y and Y Liu (2020): A scale-sensitive approach for comparing and classifying point patterns, Journal of Spatial Science, 65 (2), 281-306.

Sadahiro Y (2019): Statistical analysis of spatial segregation of points, Computers, Environment and Urban Systems, 76, 123-138.

Sadahiro Y (2019): Analysis of the appearance and disappearance of point objects over time, International Journal of Geographical Information Science, 33 (2), 215-239.

Nurunnabi A, Y Sadahiro, R Lindenbergh, and D Belton (2019): Robust cylinder fitting in laser scanning point cloud data, Measurement, 138, 632-651.

Sadahiro Y (2018): Descriptive measures of point distributions summarized with respect to spatial scale in visualization, Cartographica, 53 (3), 185-202.

Sadahiro Y and Y Wang (2018): Configuration of sample points for the reduction of multicollinearity in regression models with distance variables, The Annals of Regional Science, 61, 295-317.

Nurunnabi A, Y Sadahiro and DF Laefer (2018): Robust statistical approaches for circle fitting in laser scanning three-dimensional point cloud data, Pattern Recognition, 81, 417-431.

Sadahiro Y, T Tanabe, M Pierre and K Fujii (2016): Computer-aided design of bus route maps, Cartography and Geographic Information Science, 43 (4), 361-376.

Sadahiro Y (2015): A method for analyzing the segregation between point distributions: Statistical tests and consideration of attributes, Journal of Geographical Systems, 17 (1), 29-60.

Sadahiro Y and T Oguchi (2015): Evaluation of the similarity between spatial tessellations, Environment and Planning B, 42 (5), 930-950.

Wang Y, Y Asami and Y Sadahiro (2015): A research on inference from multiple distance variables in Hedonic regression - Focus on three variables, International Journal of Civil, Environmental, Structural, Construction and Architectural Engineering, 9(4).

Hong S-Y, D O'Sullivan, and Y Sadahiro (2014): Implementing spatial segregation measures in R, PLOS ONE, 9 (11): e113767. doi:10.1371/journal.pone.0113767.

Sadahiro Y and T Kobayashi (2014): Exploratory analysis of time series data: Detection of partial similarities, clustering, and visualization, Computers, Environment and Urban Systems, 45, 24-33.

Hong S-Y and Y Sadahiro (2014): Measuring geographic segregation: a graph-based approach, Journal of Geographical Systems, 16 (2), 211-231.

Sadahiro Y (2013): A method for comparing numerical variables defined in a region, Computers, Environment and Urban Systems, 41, 65-74.

Sadahiro Y, R Lay and T Kobayashi (2013): Trajectories of moving objects on a network: Detection of similarities, visualization of relations, and classification of trajectories, Transactions in GIS, 17 (1), 18-40.

Sadahiro Y (2012): Exploratory analysis of polygons distributed with overlap, Geographical Analysis, 44 (4), 350-367.

Sadahiro Y and S Sadahiro (2012): A decision support method for school relocation planning, International Journal of Urban Sciences, 16 (2), 125-141.

Sadahiro Y (2011): Analysis of the relations among spatial tessellations, Journal of Geographical Systems, 13 (4), 373-391.

Sadahiro Y (2010): Analysis of the spatial relations among point distributions on a discrete space, International Journal of Geographical Information Science, 24 (7), 997-1014.

Lee J-E and Y Sadahiro (2009): Evaluating the difference between two surfaces of numerical variables by minimum transformation, International Journal of Urban Sciences, 13 (2),118-135.

Sasaki M, T Oguchi, A Okabe and Y Sadahiro (2008): GIS Education at geographical departments in Japanese universities in relation to the Japan standard GIS core curriculum, International Research in Geographical and Environmental Education, 17 (4), 298-306.

Sadahiro Y and T Tominaga (2006): Accuracy of quantized Voronoi diagrams, International Journal of Geographical Information Science, 20 (10), 1173-1189.

Lee J-E and Y Sadahiro (2006): A method for the extraction of a subset of points from a large set of points affecting the distribution of surface data: a case study of market area and competitive power analysis by sales data of micro scale retail stores, Journal of the Korean Association of Geographic Information Studies, 9 (1), 1-12.

Lee J-E and Y Sadahiro (2006): A method of detecting competitors of a store and evaluating their attractiveness in micro scale retail environment, Geographical Review of Japan, Series B, 79 (5), 59-72.

Sadahiro Y (2005): Buffer operation on spatial data with limited accuracy,Transactions in GIS, 9 (3), 323-344.

Sadahiro Y (2005): Spatiotemporal analysis of the distribution of urban facilities in terms of accessibility, Papers in Regional Science, 84 (1), 61-84.

Sadahiro Y and M Masui (2004): Analysis of qualitative similarity between surfaces, Geographical Analysis, 36 (3), 217-233.

Maswood S J and Y Sadahiro (2003): A tale of two Japans: reform in a divided policy, Japan Forum, 15 (1), 33-53.

Sadahiro Y (2003): Stability of the surface generated from distributed points of uncertain location, International Journal of Geographical Information Science, 17 (2), 139-156.

Sadahiro Y (2003): Cluster detection in uncertain point distributions: A comparison of four methods, Computers, Environment and Urban Systems, 27 (1), 33-52.

Sadahiro Y (2002): An exploratory method for analyzing a spatial tessellation in relation to a set of other spatial tessellations, Environment and Planning A, 34 (6), 1037-1058.

Sadahiro Y (2002): A graphical method for exploring spatiotemporal point distributions, Cartography and Geographic Information Science, 29 (2), 67-84.

Watanabe T, A Okabe, T Izumi and Y Sadahiro (2001): Analysis of the effect of land use patterns on the anthropogenic energy discharged from air conditioning and hot water supply using a modified CSU mesoscale model, GeoJournal, 53 (4), 385-390.

Sadahiro Y (2001): Spatio-temporal analysis of surface changes by tessellations, Geographical Analysis, 33 (4), 312-329.

Sadahiro, Y (2001): Number of polygons generated by map overlay: The case of convex polygons, Transactions in GIS, 5 (4), 345-353.

Sadahiro Y and M Umemura (2001): A computational approach for the analysis of changes in polygon distributions, Journal of Geographical Systems, 3 (2), 137-154.

Sadahiro Y (2001): Analysis of surface changes using primitive events, International Journal of Geographical Information Science, 15 (6), 523-538.

Sadahiro Y (2001): Exploratory method for analyzing changes in polygon distributions, Environment and Planning B, 28 (4), 595-609.

Sadahiro Y and K Takami (2001): A statistical method for analyzing the relative location of points in a bounded region, Geographical Analysis, 33 (1), 40-57.

Sadahiro Y (2000): A PDF-based analysis of the spatial structure of retailing, GeoJournal, 52 (3), 237-252.

Sato T, Y Sadahiro and A Okabe (2000): A computational procedure for joining separate map sheets, GeoJournal, 52 (3), 253-262.

Sadahiro Y (2000): Accuracy of areal weighting interpolation: Effects of geometrical properties of zonal systems, Geographical Review of Japan, Series B, 73 (1), 85-90.

Sadahiro Y (2000): Perception of spatial dispersion in point distributions, Cartography and Geographic Information Science, 27 (1), 51-64.

Sadahiro Y (2000): Accuracy of count data estimated by the point-in-polygon method, Geographical Analysis, 32 (1), 64-89.

Sadahiro Y (2000): Accuracy of count data transferred through the areal weighting interpolation method, International Journal of Geographical Information Science, 14 (1), 25-50.

Sadahiro Y (1999): Accuracy of areal interpolation: A comparison of alternative methods, Journal of Geographical Systems, 1 (4), 323-346.

Sadahiro Y (1999): Statistical methods for analyzing the distribution of spatial objects in relation to a surface, Journal of Geographical Systems, 1 (2), 107-136.

Ishikawa T, A Okabe, Y Sadahiro and S Kakumoto (1998): An experimental analysis of the perception of an area of an open space using 3-D stereo dynamic graphics, Environment and Behavior, 30 (2), 216-234.

Sadahiro,Y (1997): Cluster perception in the distribution of point objects, Cartographica, 34 (1), 49-61.

Okabe A and Y Sadahiro (1997): Variation in count data transferred from a set of irregular zones to a set of regular zones through the point-in-polygon method, International Journal of Geographical Information Science, 11 (1), 93-106.

Okabe A and Y Sadahiro (1996): An illusion of spatial hierarchy: spatial hierarchy in a random configuration, Environment and Planning A, 28 (9), 1533-1552.

Sadahiro Y (1995): Size of map labels used in GIS and loss of literal information, Cartographica, 32 (4), 29-41.

Okabe A and Y Sadahiro (1994): A statistical method for analyzing the spatial relationship between the distribution of activity points and the distribution of activity continuously distributed over a region, Geographical Analysis, 26 (2), 152-167.