Ushio Sumita

26 papers B 1C 2Journal 20Unranked 3
YearRankTypeTitle / Venue / Authors
2019 J jnl
A New Approach for Developing Segmentation Algorithms for Strongly Imbalanced Data.
IEEE Access
Kazuki Fujiwara, Maiko Shigeno, Ushio Sumita
2016 — conf
Development and Analysis of Markov Chain Model for Optimally Allocating Operators at Call Centers.
IIAI-AAI
Shan Yu, Ryohei Kubota, Masaki Shobu, Ushio Sumita
2016 — conf
Development of Recommendation Engines for Enhancing Sales of DIY (Do It Yourself) Stores.
IIAI-AAI
Xinlong Hu, Shan Yu, Masaki Shobu, Ushio Sumita
2016 — conf
Development of Segmentation Algorithm for Identifying VOCs (Voice of Customers) with Sales Potential and Those with Negative Attitude at Call Centers.
IIAI-AAI
Ryohei Kubota, Xinlong Hu, Masaki Shobu, Ushio Sumita
2015 J jnl
Development of computational algorithms for pricing European bond options under the influence of macro-economic conditions.
Appl. Math. Comput.
Jia-Ping Huang, Ushio Sumita
2013 B conf
How to Equip Students with Methodologies and Tools for Capturing Rapidly Changing Environments through Computer Supported Education.
CSEDU
Ushio Sumita, Jun Yoshii
2012 C conf
Development of Sequential Association Rules for Preventing Minor-stoppages in Semi-conductor Manufacturing.
ICORES
Sumika Arima, Ushio Sumita, Jun Yoshii
2011 J jnl
Credit risk model with contagious default dependencies affected by macro-economic condition.
Eur. J. Oper. Res.
Hideyuki Takada, Ushio Sumita
2010 J jnl
Enhancement of e-commerce via mobile accesses to the Internet.
Electron. Commer. Res. Appl.
Ushio Sumita, Jun Yoshii
2010 J jnl
The impact of mobile access to the internet on information search completion time and customer conversion.
Electron. Commer. Res. Appl.
Ushio Sumita, Jinshui Zuo
2009 J jnl
Dynamic Analysis of a Unified Multivariate Counting Process and Its Asymptotic Behavior.
Int. J. Math. Math. Sci.
Ushio Sumita, Jia-Ping Huang
2008 J jnl
Optimal threshold analysis of segmentation methods for identifying target customers.
Eur. J. Oper. Res.
Makoto Mizuno, Akira Saji, Ushio Sumita, Hideo Suzuki
2001 J jnl
Optimal internal pricing and capacity planning for service facility with finite buffer.
Eur. J. Oper. Res.
Ushio Sumita, Yasushi Masuda, Shigetaka Yamakawa
1998 J jnl
Optimal repair of degrading computers under asymmetric information and incentive incompatibility.
Comput. Oper. Res.
K. Cheng Hsing, Marshall L. Freimer, William B. Richmond, Ushio Sumita
1995 J jnl
Stochastic Models for Performance Analysis of Database Recovery Control.
IEEE Trans. Computers
Paulo B. Góes, Ushio Sumita
1992 J jnl
Analysis of a new thruway communication system with discrete minimal zones.
IEEE Trans. Commun.
Paulo B. Góes, Hironao Kawashima, Ushio Sumita
1992 J jnl
Analysis of multivariate Markov modulated Poisson processes.
Oper. Res. Lett.
Ushio Sumita, Yasushi Masuda
1992 J jnl
Structural properties of optimal tool replacement policy in a machining center.
Oper. Res. Lett.
Qiu-Sheng Liu, Katsuhisa Ohno, Ushio Sumita
1991 J jnl
Numerical analysis of gracefully degrading fault-tolerant computer systems: Semi-markov and laguerre transform approach.
Comput. Oper. Res.
Yasushi Masuda, Ushio Sumita
1991 J jnl
Replacement process decomposition for discounted Markov renewal programming.
Ann. Oper. Res.
Paul J. Schweitzer, Ushio Sumita, Katsuhisa Ohno
1989 J jnl
Analysis of Effective Service Time with Age Dependent Interruptions and Its Application to Optimal Rollback Policy for Database Management.
Queueing Syst. Theory Appl.
Ushio Sumita, Naoto Kaio, Paulo B. Góes
1988 J jnl
Analysis of Channel and Disk Subsystems in Computer Systems.
Queueing Syst. Theory Appl.
Bezalel Gavish, Ushio Sumita
1988 J jnl
Analysis of Query Processing in Distributed Database Systems with Fully Replicated Files: A Hierarchical Approach.
Perform. Evaluation
Ushio Sumita, Olivia R. Liu Sheng
1988 C conf
Ent-to-end delay of a database transfer over unreliable communication network.
ICCC
Ushio Sumita, Peter Kubat
1986 J jnl
Analysis of Software Availability/Reliability Under the Influence of Hardware Failures.
IEEE Trans. Software Eng.
Ushio Sumita, Yasushi Masuda
1984 J jnl
The Laguerre Transform and a Family of Functions with Nonnegative Laguerre Coefficients.
Math. Oper. Res.
Ushio Sumita