- M. Inaba and N. Katoh and H. Imai, Applications of Weighted {Voronoi} Diagrams and Randomization to Variance-Based $k$-Clustering,
*Proceedings of the 10th ACM Symposium on Computational Geometry*, , 332-339.

- S. Albers and H. Koga, New On-Line Algorithms for the Page Replication Problem,
*Proceedings of the 4th Scandinavian Workshop on Algorithm Theory (SWAT'94), Lecture Notes in Computer Science*,**824**, , 27-36.

- S. Hasegawa and H. Imai and M. Ishiguro, $\epsilon$-Approximations of $k$-Label Spaces,
*Theoretical Computer Science*,**137**, , 145-175.

- T. Ikeda and H. Imai, Fast {A}${}^*$ Algorithms for Multiple Sequence Alignment,
*Proceedings of the Genome Informatics Workshop 1994*, , 90-94.

- S. Tani and H. Imai, A Reordering Operation for an Ordered Binary Decision Diagram and an Extended Framework for Combinatorics of Graphs,
*Proceedings of the 5th International Symposium on Algorithms and Computation (ISAAC'94)*,**834**, , 575-583.

- M. H. Shimoura and T. Hashimoto and K. Tenmoku and K. Mitoh, A Fast Algorithm for Finding Better Routes by {AI} Search Techniques,
*Proceedings of the IEEE International Conference on Vehicle Navigation \& Information Systems (VNIS'94)*, , 291-296.

- M. Inaba and Y. Aoki and S. Hasegawa, Level Difference of the Reconstructed Arrangement,
*Proceedings of the 6th Canadian Conference on Computational Geometry*, , 12-17.

- T. Ono, An Eight-Way Perturbation Technique for the Three-Dimensional Convex Hull,
*Proceedings of the 6th Canadian Conference on Computational Geometry*, , 159-164.

- H. Imai, Optimization and Related Issues,
*Proceedings of the 1995 IEICE General Conference and Systems*, ,**1**, 411-412.

- D. Avis and S. Matsunaga and H. Imai, Computational Geometry and Discrete Geometry, , .

- H. Imai and K. Imai, Computational Geometry, , .

Computational Geometry and Discrete Geometry,**872**, 49-64, .

- H. Imai and K. Imai, Algorithms in Combinatorial Geometry, , .

- H. Imai, Computational Geometry and Linear Programming,
*Kokyuroku*,**872**, 49-64, .

- K. Yoshida, Prolongability of Embedded Surfaces,
*Kokyuroku*,**872**, 158-164, .

- T. Masada, Enumeration of Regular Triangulations by Reverse Search,
*Kokyuroku*,**871**, 241-247, .

- M. Inaba and N. Katoh and H. Imai, Randomized Algorithms for Variance-Based $k$-Clustering,
*Kokyuroku*,**871**, 124-129, .

- M. Inaba and N. Katoh and H. Imai, Algorithms for Variance-Based $k$-Clustering Based on Weighted {Voronoi} Diagrams and Randomization,
*ISM Reports on Statistical Computing Modeling and Algorithms*,**61**, 73-80, .

- T. Masada, An Output Size Sensitive Algorithm for the Enumeration of Regular Triangulations,
**94-1**, , .

- S. Albers and H. Koga, Direct-mapped Constrained Migration Problem,
**94-13**, , .

- H. Koga, Randomized On-Line Algorithms for the Page Replication Problem,
**94-8**, , .

- H. Imai, New Trends in Algorithm Design and Applications to Image Processing,
*IPSJ SIG Notes*,**SIGAL-38-8-3**, , .

- Y. Kyoda, The Enumeration of Triangulations by Reverse Search and Its Applications,
*IPSJ SIG Notes*,**SIGAL-39-4**, , .

- T. Ono, An Eight-Way Perturbation Technique for the Three-Dimensional Convex Hull,
*IPSJ SIG Notes*,**SIGAL-39-5**, , .

- T. Ikeda and H. Imai and S. Nishimura and H. Shimoura and T. Hashimoto and K. Tenmoku and K. Mitoh, Bidirectional {A}${}^*$ Algorithm for the Shortest Path Problem in Route Navigation Systems,
*IPSJ SIG Notes*,**SIGAL-40-12**, , .

- H. Imai and S. Tani, Ordered Binary Decision Diagrams, {Gaussian} Elimination and Graph Theory,
*IPSJ SIG Notes*,**SIGAL-41-2**, , .

- S. Albers and H. Koga, A New Framework on the Constrained Migration Problem,
*IPSJ SIG Notes*,**SIGAL-42-5**, , .

- T. Ikeda and H. Imai, Fast {A}${}^*$ Algorithms for Multiple Sequence Alignment,
*IPSJ SIG Notes*,**SIGAL-42-7**, , .

- K. Hayase and Y. Takenaga and S. Yajima, Computational Power of Cube-Connected Associative Processor Arrays under Restrictions on Communication, , .

- T. Ikeda and H. Imai, Fast {A}${}^*$ Algorithms for Multiple Sequence Alignment,
*IPSJ SIG Notes*,**SIGAL-42-7**, , .

- M. Seo, The {$C^*$} Algorithm for {AND/OR} Tree Search and Its Application to a Tsume-Shogi Program,
*IPSJ SIG Notes*,**SIGAI-99-14**, , .

- K. Imai and H. Imai, On Weighted Dynamic Voronoi Diagrams,
*Snapshots of Computational and Discrete Geometry*,**3**, , 268-277.