- K. Sekine and H. Imai, Counting the Number of Paths in a Graph via {BDDs},
*IEICE Transactions on Fundamentals*,**E80-A**, 1997, 682--688.

- T. Shibuya and H. Imai and S. Nishimura and H. Shimoura and K. Tenmoku, Detour Queries in Geographical Databases for Navigation and Related Algorithm Animations,
*Proceedings of the International Symposium on Cooperative Database Systems for Advanced Applications*, 1997, 246--253.

- K. Onishi and H. Imai, {Voronoi} Diagram in Statistical Parametric Space by {Kullback-Leibler} Divergence,
*Proceedings of the 13th ACM Symposium on Computational Geometry*, 1997, 463--465.

- M. Inaba and H. Imai and M. Nakade and T. Sekiguchi, Application of an Effective Geometric Clustering Method to the Color Quantization Problem,
*Proceedings of the 13th ACM Symposium on Computational Geometry*, 1997, 477--478.

- K. Onishi and H. Imai, {Voronoi} Diagrams for an Exponential Family of Probability Distributions in Information Geometry,
*Japan-Korea Joint Workshop on Algorithms and Computation*, 1997, 1--8.

- F. Takeuchi and H. Imai, Enumerating Triangulations for Products of Two Simplices and for Arbitrary Configurations of Points,
*Proceedings of the 3rd International Computing and Combinatorics Conference (COCOON'97)*, 1997, 470--481.

- H. Imai and K. Sekine and K. Imai, Network Reliability Computation --- {Theory} and Practice,
*Proceedings of the IPSJ International Symposium on Information Systems and Technologies for Network Society*, 1997, 41--48.

- T. Shibuya and H. Imai, New Flexible Approaches for Multiple Sequence Alignment,
*Journal of Computational Biology*, 1997, 385--413.

- K. Doi and H. Imai, Greedy Algorithms for Finding a Small Set of Primers Satisfying Cover Length Resolution Conditions in {PCR} Experiments,
*Proceedings of the 8th Workshop on Genome Informatics*, 1997, 43--52.

- M. Inaba and H. Imai, Geometry Helps Clustering Objects in Text and Image Databases --- {Utilizing} Geometry of the Vector Space Model foree? Texts and the Feature Space Model for Images,
*Advanced Database Systems for Integration of Media and User Environments'98*, 1998, 15--20.

- H. Imai, Parametric and Sensitivity Analysis of Network Reliability,
*5th International Conference on Parametric Optimization and Related Topics*, 1997, .

- A. Tajima and S. Misono, Airline Crew Scheduling Problem with Many Irregular Flights,
*Proceedings of the 8th Annual International Symposium on Algorithms and Computation (ISAAC '97)*, 2--111997, .

- Y. Kyoda and K. Imai and F. Takeuchi and A. Tajima, A Branch-and-Cut Approach for Minimum Weight Triangulation,
*Proceedings of the 8th International Symposium on Algorithms and Computation (ISAAC'97)*, 1997, 384--393.

Proceedings of the 8th International Symposium on Algorithms and Computation (ISAAC'97), 1997, .

- H. Imai, Network Reliability Computation and Related Problems,
*Discrete Structure and Algorithms V*, 1998, 1--50.

- N. Park and H. Imai and S. Nishimura and H. Shimoura and K. Tenmoku, Unified Experimental Analysis of Metaheuristics for the Vehicle Routing Problem, Especially Concerning Neighborhood Search andee? Geometric Structure,
*International Symposium on Mathematical Programming (ISMP'97)*, 1997, .

- M. Inaba and H. Imai, Geometric Clustering and Its Application,
*International Symposium on Mathematical Programming (ISMP'97)*, 1997, .

- A. Tajima and S. Misono, Solving Airline Crew Scheduling Problems with Many Irregular Flights,
*International Symposium on Mathematical Programming (ISMP'97)*, 1997, .

.

.

- F. Takeuchi and H. Imai and K. Imai, Enumerating Triangulations for Arbitrary Configurations of Points and for Products of Two Simplices,
*Kokyuroku*, 1997, 98--105.

- N. Park and H. Imai and S. Nishimura and H. Shimoura and K. Tenmoku, Designing Heuristics for the Capacitated Vehicle,
*Modeling and Algorithms 11''*,**104**, 1997, 1--18.

- T. Shibuya and H. Imai, Parametric Analysis for Aligning Multiple Biological Sequences,
*Modeling and Algorithms 11''*,**104**, 1997, 110-118.

.

- H. Kobayashi, Factoring Integers with Block Sieving Algorithm,
*IPSJ SIG Notes*,**SIGAL-57-2**, 1997, .

- K. Onishi and H. Imai, Voronoi Diagram for the Dually Flat Space by Divergence,
*IPSJ SIG Notes*,**SIGAL-57-6**, 1997, .

- A. Tajima and S. Misono, Airline Crew Scheduling Problem with Many Irregular Flights,
*Prof. 55th IPSJ National Convention*,**1**, 85--861997, .

- M. Inaba and H. Imai, Geometric Clustering and Data Mining,
*55th IPSJ National Convention*,**1**, 291--2921997, .

- L. Jiang and M. Inaba and H. Imai, A {BDD}-based Method for Mining Association Rules,
*Proc. 55th IPSJ National Convention*,**3**, 397--3981997, .

- A. Tajima and S. Misono, Airline Crew Scheduling Problem with Many Irregular Flights,
*IPSJ SIG Notes*,**SIGMPS-15-2**, 1997, .

.

- K. Doi and H. Imai, Complexity properties and algorithms for minimizing number of primers in {PCR} experiments,
*IPSJ SIG Notes*,**SIGAL-59-3**, 1997, .

.

.

- M. Inaba and H. Imai, Geometry Helps Clustering Texts in Information Retrieval and Text Databases,
*IPSJ SIG Notes*,**SIGAL-60-10**, 1998, .

- H. Imai and K. Asai and M. Inaba, Standardization of Geographic Information Systems and Its Reference Model,
*IPSJ SIG Notes*,**SIGMPS-17-6**, 1998, .

- M. Inaba, Geometry Helps Clustering Objects in Multimedia Databases,
*Proc. IEICE Spring Conf.'98 Frontiers of Theoretical Computer Science*, 1998, .

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