Ushio Sumita

Publication Activity (10 Years)

Years Active: 1984-2019
Publications (10 Years): 4

Top Topics

Computer Supported

Segmentation Algorithm

Computationally Tractable

Mining Sequential

Top Venues

Appl. Math. Comput.

Publications

Kazuki Fujiwara, Maiko Shigeno, Ushio Sumita
A New Approach for Developing Segmentation Algorithms for Strongly Imbalanced Data. IEEE Access 7 (2019)
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)
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)
Xinlong Hu, Shan Yu, Masaki Shobu, Ushio Sumita
Development of Recommendation Engines for Enhancing Sales of DIY (Do It Yourself) Stores. IIAI-AAI (2016)
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 (2015)
Ushio Sumita, Jun Yoshii
How to Equip Students with Methodologies and Tools for Capturing Rapidly Changing Environments through Computer Supported Education. CSEDU (2013)
Sumika Arima, Ushio Sumita, Jun Yoshii
Development of Sequential Association Rules for Preventing Minor-stoppages in Semi-conductor Manufacturing. ICORES (2012)
Hideyuki Takada, Ushio Sumita
Credit risk model with contagious default dependencies affected by macro-economic condition. Eur. J. Oper. Res. 214 (2) (2011)
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) (2010)
Ushio Sumita, Jun Yoshii
Enhancement of e-commerce via mobile accesses to the Internet. Electron. Commer. Res. Appl. 9 (3) (2010)
Ushio Sumita, Jia-Ping Huang
Dynamic Analysis of a Unified Multivariate Counting Process and Its Asymptotic Behavior. Int. J. Math. Math. Sci. 2009 (2009)
Makoto Mizuno, Akira Saji, Ushio Sumita, Hideo Suzuki
Optimal threshold analysis of segmentation methods for identifying target customers. Eur. J. Oper. Res. 186 (1) (2008)
Ushio Sumita, Yasushi Masuda, Shigetaka Yamakawa
Optimal internal pricing and capacity planning for service facility with finite buffer. Eur. J. Oper. Res. 128 (1) (2001)
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) (1998)
Paulo B. Góes, Ushio Sumita
Stochastic Models for Performance Analysis of Database Recovery Control. IEEE Trans. Computers 44 (4) (1995)
Qiu-Sheng Liu, Katsuhisa Ohno, Ushio Sumita
Structural properties of optimal tool replacement policy in a machining center. Oper. Res. Lett. 11 (3) (1992)
Paulo B. Góes, Hironao Kawashima, Ushio Sumita
Analysis of a new thruway communication system with discrete minimal zones. IEEE Trans. Commun. 40 (4) (1992)
Ushio Sumita, Yasushi Masuda
Analysis of multivariate Markov modulated Poisson processes. Oper. Res. Lett. 12 (1) (1992)
Paul J. Schweitzer, Ushio Sumita, Katsuhisa Ohno
Replacement process decomposition for discounted Markov renewal programming. Ann. Oper. Res. 29 (1) (1991)
Yasushi Masuda, Ushio Sumita
Numerical analysis of gracefully degrading fault-tolerant computer systems: Semi-markov and laguerre transform approach. Comput. Oper. Res. 18 (8) (1991)
Ushio Sumita, N. 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) (1989)
Bezalel Gavish, Ushio Sumita
Analysis of Channel and Disk Subsystems in Computer Systems. Queueing Syst. Theory Appl. 3 (1) (1988)
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) (1988)
Ushio Sumita, Peter Kubat
Ent-to-end delay of a database transfer over unreliable communication network. ICCC (1988)
Ushio Sumita, Yasushi Masuda
Analysis of Software Availability/Reliability Under the Influence of Hardware Failures. IEEE Trans. Software Eng. 12 (1) (1986)
Ushio Sumita
The Laguerre Transform and a Family of Functions with Nonnegative Laguerre Coefficients. Math. Oper. Res. 9 (4) (1984)