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Ushio Sumita
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2010 – 2019
- 2019
- [j20]Kazuki Fujiwara
, Maiko Shigeno
, Ushio Sumita:
A New Approach for Developing Segmentation Algorithms for Strongly Imbalanced Data. IEEE Access 7: 82970-82977 (2019) - 2016
- [c6]Shan Yu, Ryohei Kubota, Masaki Shobu, Ushio Sumita:
Development and Analysis of Markov Chain Model for Optimally Allocating Operators at Call Centers. IIAI-AAI 2016: 462-467 - [c5]Xinlong Hu, Shan Yu, Masaki Shobu, Ushio Sumita:
Development of Recommendation Engines for Enhancing Sales of DIY (Do It Yourself) Stores. IIAI-AAI 2016: 468-473 - [c4]Ryohei Kubota, Xinlong Hu, Masaki Shobu, Ushio Sumita:
Development of Segmentation Algorithm for Identifying VOCs (Voice of Customers) with Sales Potential and Those with Negative Attitude at Call Centers. IIAI-AAI 2016: 478-481 - 2015
- [j19]Jia-Ping Huang, Ushio Sumita:
Development of computational algorithms for pricing European bond options under the influence of macro-economic conditions. Appl. Math. Comput. 251: 453-468 (2015) - 2013
- [c3]Ushio Sumita, Jun Yoshii:
How to Equip Students with Methodologies and Tools for Capturing Rapidly Changing Environments through Computer Supported Education. CSEDU 2013: 493-496 - 2012
- [c2]Sumika Arima, Ushio Sumita, Jun Yoshii:
Development of Sequential Association Rules for Preventing Minor-stoppages in Semi-conductor Manufacturing. ICORES 2012: 349-354 - 2011
- [j18]Hideyuki Takada, Ushio Sumita:
Credit risk model with contagious default dependencies affected by macro-economic condition. Eur. J. Oper. Res. 214(2): 365-379 (2011) - 2010
- [j17]Ushio Sumita, Jun Yoshii:
Enhancement of e-commerce via mobile accesses to the Internet. Electron. Commer. Res. Appl. 9(3): 217-227 (2010) - [j16]Ushio Sumita, Jinshui Zuo:
The impact of mobile access to the internet on information search completion time and customer conversion. Electron. Commer. Res. Appl. 9(5): 410-417 (2010)
2000 – 2009
- 2009
- [j15]Ushio Sumita, Jia-Ping Huang:
Dynamic Analysis of a Unified Multivariate Counting Process and Its Asymptotic Behavior. Int. J. Math. Math. Sci. 2009: 219532:1-219532:43 (2009) - 2008
- [j14]Makoto Mizuno, Akira Saji, Ushio Sumita, Hideo Suzuki:
Optimal threshold analysis of segmentation methods for identifying target customers. Eur. J. Oper. Res. 186(1): 358-379 (2008) - 2001
- [j13]Ushio Sumita, Yasushi Masuda
, Shigetaka Yamakawa:
Optimal internal pricing and capacity planning for service facility with finite buffer. Eur. J. Oper. Res. 128(1): 192-205 (2001)
1990 – 1999
- 1998
- [j12]K. Cheng Hsing, Marshall L. Freimer, William B. Richmond, Ushio Sumita:
Optimal repair of degrading computers under asymmetric information and incentive incompatibility. Comput. Oper. Res. 25(9): 719-728 (1998) - 1995
- [j11]Paulo B. Góes, Ushio Sumita:
Stochastic Models for Performance Analysis of Database Recovery Control. IEEE Trans. Computers 44(4): 561-576 (1995) - 1992
- [j10]Qiu-Sheng Liu, Katsuhisa Ohno, Ushio Sumita:
Structural properties of optimal tool replacement policy in a machining center. Oper. Res. Lett. 11(3): 179-185 (1992) - [j9]Ushio Sumita, Yasushi Masuda
:
Analysis of multivariate Markov modulated Poisson processes. Oper. Res. Lett. 12(1): 37-45 (1992) - [j8]Paulo B. Góes, Hironao Kawashima, Ushio Sumita:
Analysis of a new thruway communication system with discrete minimal zones. IEEE Trans. Commun. 40(4): 754-764 (1992) - 1991
- [j7]Paul J. Schweitzer, Ushio Sumita, Katsuhisa Ohno:
Replacement process decomposition for discounted Markov renewal programming. Ann. Oper. Res. 29(1): 631-645 (1991) - [j6]Yasushi Masuda
, Ushio Sumita:
Numerical analysis of gracefully degrading fault-tolerant computer systems: Semi-markov and laguerre transform approach. Comput. Oper. Res. 18(8): 695-707 (1991)
1980 – 1989
- 1989
- [j5]Ushio Sumita, Naoto Kaio
, Paulo B. Góes:
Analysis of Effective Service Time with Age Dependent Interruptions and Its Application to Optimal Rollback Policy for Database Management. Queueing Syst. Theory Appl. 4(3): 193-212 (1989) - 1988
- [j4]Ushio Sumita, Olivia R. Liu Sheng:
Analysis of Query Processing in Distributed Database Systems with Fully Replicated Files: A Hierarchical Approach. Perform. Evaluation 8(3): 223-238 (1988) - [j3]Bezalel Gavish, Ushio Sumita:
Analysis of Channel and Disk Subsystems in Computer Systems. Queueing Syst. Theory Appl. 3(1): 1-23 (1988) - [c1]Ushio Sumita, Peter Kubat:
Ent-to-end delay of a database transfer over unreliable communication network. ICCC 1988: 579 - 1986
- [j2]Ushio Sumita, Yasushi Masuda
:
Analysis of Software Availability/Reliability Under the Influence of Hardware Failures. IEEE Trans. Software Eng. 12(1): 32-41 (1986) - 1984
- [j1]Ushio Sumita:
The Laguerre Transform and a Family of Functions with Nonnegative Laguerre Coefficients. Math. Oper. Res. 9(4): 510-521 (1984)
Coauthor Index
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