Papers in refereed journal


  1. Sadahiro, Y, T Tanabe, M Pierre and K Fujii (2016): Computer-aided design of bus route maps, Cartography and Geographic Information Science, 43.
  2. 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.
  3. Sadahiro, Y and T Oguchi (2015): Evaluation of the similarity between spatial tessellations, Environment and Planning B, 42 (5), 930-950.
  4. 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).
  5. 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.
  6. 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.
  7. Hong, S-Y and Y Sadahiro (2014): Measuring geographic segregation: a graph-based approach, Journal of Geographical Systems, 16 (2), 211-231.
  8. Sadahiro, Y (2013): A method for comparing numerical variables defined in a region, Computers, Environment and Urban Systems, 41, 65-74.
  9. 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.
  10. Sadahiro, Y (2012): Exploratory analysis of polygons distributed with overlap, Geographical Analysis, 44 (4), 350-367.
  11. Sadahiro, Y and S Sadahiro (2012): A decision support method for school relocation planning, International Journal of Urban Sciences, 16 (2), 125-141.
  12. Sadahiro, Y (2011): Analysis of the relations among spatial tessellations, Journal of Geographical Systems, 13 (4), 373-391.
  13. 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.
  14. 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.
  15. 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.
  16. Sadahiro, Y and T Tominaga (2006): Accuracy of quantized Voronoi diagrams, International Journal of Geographical Information Science, 20 (10), 1173-1189.
  17. 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.
  18. 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.
  19. Sadahiro, Y (2005): Buffer operation on spatial data with limited accuracy,Transactions in GIS, 9 (3), 323-344.
  20. Sadahiro, Y (2005): Spatiotemporal analysis of the distribution of urban facilities in terms of accessibility, Papers in Regional Science, 84 (1), 61-84.
  21. Sadahiro, Y and M Masui (2004): Analysis of qualitative similarity between surfaces, Geographical Analysis, 36 (3), 217-233.
  22. Maswood, S J and Y Sadahiro (2003): A tale of two Japans: reform in a divided policy, Japan Forum, 15 (1), 33-53.
  23. Sadahiro, Y (2003): Stability of the surface generated from distributed points of uncertain location, International Journal of Geographical Information Science, 17 (2), 139-156.
  24. Sadahiro, Y (2003): Cluster detection in uncertain point distributions: A comparison of four methods, Computers, Environment and Urban Systems, 27 (1), 33-52.
  25. 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.
  26. Sadahiro, Y (2002): A graphical method for exploring spatiotemporal point distributions, Cartography and Geographic Information Science, 29 (2), 67-84.
  27. 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.
  28. Sadahiro, Y (2001): Spatio-temporal analysis of surface changes by tessellations, Geographical Analysis, 33 (4), 312-329.
  29. Sadahiro, Y (2001): Number of polygons generated by map overlay: The case of convex polygons, Transactions in GIS, 5 (4), 345-353.
  30. 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.
  31. Sadahiro, Y (2001): Analysis of surface changes using primitive events, International Journal of Geographical Information Science, 15 (6), 523-538.
  32. Sadahiro, Y (2001): Exploratory method for analyzing changes in polygon distributions, Environment and Planning B, 28 (4), 595-609.
  33. 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.
  34. Sadahiro, Y (2000): A PDF-based analysis of the spatial structure of retailing, GeoJournal, 52 (3), 237-252.
  35. Sato, T, Y Sadahiro, and A Okabe (2000): A computational procedure for joining separate map sheets, GeoJournal, 52 (3), 253-262.
  36. 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.
  37. Sadahiro, Y (2000): Perception of spatial dispersion in point distributions, Cartography and Geographic Information Science, 27 (1), 51-64.
  38. Sadahiro, Y (2000): Accuracy of count data estimated by the point-in-polygon method, Geographical Analysis, 32 (1), 64-89.
  39. Sadahiro, Y (2000): Accuracy of count data transferred through the areal weighting interpolation method, International Journal of Geographical Information Science, 14 (1), 25-50.
  40. Sadahiro, Y (1999): Accuracy of areal interpolation: A comparison of alternative methods, Journal of Geographical Systems, 1 (4), 323-346.
  41. 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.
  42. 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.
  43. Sadahiro, Y (1997): Cluster perception in the distribution of point objects, Cartographica, 34 (1), 49-61.
  44. 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.
  45. 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.
  46. Sadahiro, Y (1995): Size of map labels used in GIS and loss of literal information, Cartographica, 32 (4), 29-41.
  47. 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.

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