Sadahiro, Y. (2012). A method of comparing numerical variables distributed on a discrete space. *Discussion Paper*, **110**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2012). Quantized spatial analysis: A new framework for analyzing the relations among the distributions of spatial objects. *Discussion Paper*, **109**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., & Kobayashi, T. (2012). Exploratory analysis of spatially distributed time series data: Detection of similarities, clustering and visualization of mutual relations. *Discussion Paper*, **108**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2012). Object-oriented spatial analysis: Set-based exploratory analysis of the relations among the distributions of spatial objects. *Discussion Paper*, **107**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., & Oguchi, T. (2011). Modeling a spatial tessellation by a set of other spatial tessellations. *Discussion Paper*, **106**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., Lay, R., & Kobayashi, T. (2011). Analysis of trajectories of moving objects on a network. *Discussion Paper*, **105**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2010). A Decision Support Method for School Relocation Planning. *Discussion Paper*, **104**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2010). Decision support of spatiotemporal facility location: location planning of public facilities in population decrease. *Discussion Paper*, **103**, 103r1, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2010). Spatial relations among polygons: an exploratory analysis. *Discussion Paper*, **102**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., & Sadahiro, S. (2009). A Decision Support Method for Facility Location Planning in Population Decrease. *Discussion Paper*, **100**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., Sadahiro, S., Sato, M., & Tada, A. (2009). A Decision Support Method for Facility Relocation Planning in Population Decrease. *Discussion Paper*, **99**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2009). Analysis of the relation among point distributions on a discrete space. *Discussion Paper*, **98**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2008). Regulation of Big-Box Retailers : A Review of Academic Studies. *Discussion Paper*, **97**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., & Sasaya, T. (2008). Analysis of the relationship among spatial tessellations. *Discussion Paper*, **96**, 96r1, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2003). Accuracy of buffer operation on spatial data with locational information error. *Discussion Paper*, **94**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y., & Masui, M. (2002). Analysis of Similarity among Surfaces Defined in the Identical Region. *Discussion Paper*, **93**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2001). Construction of spatial database from old maps and documents. *Discussion Paper*, **90**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2001). Modeling spatial structure of administrative system in Ponneri, India, in the late eighteenth century. *Discussion Paper*, **89**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (2001). Exploratory modeling of a spatial tessellation by a set of other spatial tessellations. *Discussion Paper*, **88**, Department of Urban Engineering, University of Tokyo.

Gao, X., & Asami, Y. (2001). Cost benefit analyses of improvement projects for marginal lot size and configurations. *Discussion Paper*, **87**, Department of Urban Engineering, University of Tokyo.

Gao, X., & Asami, Y. (2001). A study on the externality effects of lot size and land division in urban detached residential areas. *Discussion Paper*, **86**, Department of Urban Engineering, University of Tokyo.

Gao, X., & Asami, Y. (2000). The external effects of local attributes on living environmental blocks. *Discussion Paper*, **85**, Department of Urban Engineering, University of Tokyo.

Asami, Y., & Ohtaki, T. (1999). Prediction of shape of detached houses on residential lots. *Discussion Paper*, **84**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1999). Polygons generated by map overlay operation: The case of convex polygons. *Discussion Paper*, **83**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Sagara, S., Okunuki, K., Kamachi, T., & Shiode, N. (1999). Virtual ryoanji project: Implementing a computer-assisted collaborative working environment of a virtual temple garden. *Discussion Paper*, **82**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1999). Accuracy of areal interpolation: A comparison of alternative methods. *Discussion Paper*, **80**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1998). A PDF-based analysis of the retail structure in a metropolis. *Discussion Paper*, **75**, Department of Urban Engineering, University of Tokyo.

Funamoto, S, & Okabe, A. (1998). Reference manual of VCM (variable clumping method) for an exploratory point pattern analysis. *Discussion Paper*, **74**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1997). Cognition of spatial variance in the distribution of point objects. *Discussion Paper*, **72**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Okunuki, K. (1997). A computational method for estimating the demand of retail stores on a street network using GIS. *Discussion Paper*, **71**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1997). Statistical methods for analyzing the spatial relationship between a surface and the distribution of spatial objects. *Discussion Paper*, **70**, Department of Urban Engineering, University of Tokyo.

Ishikawa, T., & Okabe, A. (1997). An experimental analysis of the perception of the area of an open space using a 3-D stereo GIS. *Discussion Paper*, **69**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1996). Spatial clusters perceived in the distribution of point objects. *Discussion Paper*, **68**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1996). Analyzing prefernce set in store choice : An empirical study. *Discussion Paper*, **64**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1996). On the shape of houses and rooms. *Discussion Paper*, **63**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Okunuki, K., & Suzuki, T. (1995). A computational method for optimizing the hierarchy and spatial configuration of successively inclusive facilities on a plane. *Discussion Paper*, **61**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Tagashira, N. (1994). Spatial aggregation bias in a regression model containing a distance variable. *Discussion Paper*, **60**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Miler, H. J. (1994). Distances between spatial objects and their applications. *Discussion Paper*, **58**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1994). On the evaluation of residential lots in land-readjustment projects. *Discussion Paper*, **57**, Department of Urban Engineering, University of Tokyo.

Sadahiro, Y. (1994). A statistical method for analyzing the shape of retail clusters with respect to their size. *Discussion Paper*, **56**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Sadahiro, Y. (1994). Statistical analysis of the variation in lattice (raster) data transformed from data in irregular spatial units. *Discussion Paper*, **55**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Sadahiro, Y. (1994). An illusion of spatial hierarchy : Spatial hierarchy in a random configuration. *Discussion Paper*, **54**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1994). On the evaluation of residential lots : With a focus on their shape. *Discussion Paper*, **53R**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1993). On the evaluation of residential lots : With a focus on their shape. *Discussion Paper*, **53**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Sadahiro, Y. (1992). A statistial method for analyzing the spatial relationship between the distribution of activity points and the distribution of activity continuously distributed over a region. *Discussion Paper*, **52**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Boots, B., & Sugihara, K. (1992). Nearest neighohood operations with generalized voronoi diagrams : A review. *Discussion Paper*, **51**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Sadahiro, Y. (1992). A statistical method for estimating market areas from a population distirbution. *Discussion Paper*, **49**, Department of Urban Engineering, University of Tokyo.

Aoyagi, M., & Okabe, A. (1991). Spatial competition of firms in a bounded two-dimensional market. *Discussion Paper*, **47**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1990). A note on the derivation of the first and second derivatives of objective functions in geographical optimization problems. *Discussion Paper*, **43**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1989). Working landowners. *Discussion Paper*, **41**, Department of Urban Engineering, University of Tokyo.

Suzuki, T., Asami, Y., & Okabe, A. (1988). Sequential allocation of public facilities. *Discussion Paper*, **39**, Department of Urban Engineering, University of Tokyo.

Aoyagi, M., & Asami, Y. (1988). Strategic behavior in contents : Revised. *Discussion Paper*, **37**, Department of Urban Engineering, University of Tokyo.

Asami, Y., & Teraki, A. (1988). On the sequential negotiation procedures: Optimal negotiation orders and land prices. *Discussion Paper*, **36**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Yoshikawa, T. (1988). The multi nearest neighbor distance method for analyzing the compound effect of infrastructural elements on the distribution of activity points. *Discussion Paper*, **35**, Department of Urban Engineering, University of Tokyo.

Asami, Y., Kamachi, T., Machida, N., Nishie, F., Okabe, A., Sasaki, M., Tanaka, T., Teraki, A., & Yamada, T. (1988). A preliminary analysis on the route memorizing mechanism. *Discussion Paper*, **34**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1987). An axiomatic approach to a measure of land use mixture. *Discussion Paper*, **33**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1987). Land rent negotiation with asymmetric information. *Discussion Paper*, **31**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1987). A determination of land rents in commercial and residential areas through bidding procedures. *Discussion Paper*, **30**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Aoyagi, M. (1987). Existence of equilibrium configurations of competitive firms on an infinite two-dimensional space. *Discussion Paper*, **29**, Department of Urban Engineering, University of Tokyo.

Asami, Y. (1987). A price-location duopoly of land developers leads to an optimal equilibrium. *Discussion Paper*, **28**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Suzuki, A. (1986). Equilibrium of spatial computation of the large number of firms on a bounded two-dimensional space inelastic demand and a constant mill praice. *Discussion Paper*, **27**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Fujii, A., Oikawa, K., & Yoshikawa, T. (1986). The statistical analysis through a computational method of a distribution of point-like activity in relation to face-like distribution of point-like activity in relation to face-like elements. *Discussion Paper*, **26**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Yomono, H. (1986). Indices for evaluating geometrical hierarchy of a road network based upon stochastic models of random order network. *Discussion Paper*, **25**, Department of Urban Engineering, University of Tokyo.

Okabe, A. (1986). Higher moments of the distance from nonrandom sample points to the nearest points that are randomly distributed over a bounded irregular region. *Discussion Paper*, **23**, Department of Urban Engineering, University of Tokyo.

Okabe, A. (1985). A theoretical relationship between the rank-size rule and Clark's law of urban population distribution: Duality in the rank-size rule. *Discussion Paper*, **22**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Miyamoto, K. (1985). Effects of the surrounding environment on perception of traversed distance. *Discussion Paper*, **21**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Aoki, K., & Hamamoto, W. (1984). The effects of a slope and a winding trail on distance and direction judgements in lager-scale natural environment. *Discussion Paper*, **19**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Asami, Y. (1984). The distribution of an area covered with disks whose centers are randomly distributed. *Discussion Paper*, **18**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Miyamoto, K. (1984). Perception of traversed distance in an outdoor setting. *Discussion Paper*, **17**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Yomono, H., & Kaneko, T. (1984). Method for estimating an area covered with houses. *Discussion Paper*, **15**, Department of Urban Engineering, University of Tokyo.

Okabe, A. (1984). Relative accuracy of systematic point sampling for estimating an area. *Discussion Paper*, **14**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Asami, Y., & Miki, F. (1983). Statistical analysis of the spatial association of convenience-goods stores by use of random clumping. *Discussion Paper*, **12**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Masuda, S. (1982). Qualitative analysis of urban population distributions in Japan. *Discussion Paper*, **11**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Miki, F. (1982). A conditional nearest-neighbor spatial association measure for the analysis of parastic association. *Discussion Paper*, **10**, Department of Urban Engineering, University of Tokyo.

Okabe, A., Fujii, A., & Miki, F. (1982). A computational method for the analysis of a point distribution in relation to a netowork. *Discussion Paper*, **9**, Department of Urban Engineering, University of Tokyo.

Okabe, A. (1982). A statistical method for analyzing spatial agglomeration of point-like activity and its empirical applicaion. *Discussion Paper*, **7**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Kume, Y. (1982). A dynamic von thunen model with a demand function. *Discussion Paper*, **6**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Miki, F. (1981). Statistical method for the analysis of point distribution on a heterogeneous plane and an empirical application to retail store distribution. *Discussion Paper*, **5**, Department of Urban Engineering, University of Tokyo.

Okabe, A., & Miki, F. (1981). A statistical method for the analysis of a point distribution in relation to networks and structual points and its empirical application. *Discussion Paper*, **4**, Department of Urban Engineering, University of Tokyo.

Okabe, A. (1981). Qualitative method of the trend surface analysis. *Discussion Paper*, **3**, Department of Urban Engineering, University of Tokyo.

Okabe, A. (1981). Relative efficiency of spatial point sampling for estimating as ares of certain land use. *Discussion Paper*, **1**, Department of Urban Engineering, University of Tokyo.