Ishii Hiroaki

Hiroaki Ishii

Information about the author Hiroaki Ishii will soon be added to the site.
Found 32 papers in total
Single machine batch scheduling problem with fuzzy batch size
2012
In a batch scheduling problem, jobs are grouped (group is called batch) and scheduled...
Watermarking for 3D polygons using wavelet transform and modified traveling salesman problem
2009
Recent developments in computer technologies and networks have enabled the use of...
Ambulance service facility location problem
2009
In this paper an ambulance service facility problem is considered in an urban area...
On fuzzy random linear knapsack problems
2004
This paper considers linear knapsack problems involving fuzzy random variable...
Competitive transportation problems
2004
This paper extends the classical transportation model to the competitive one that...
Competitive facility location problem: An algorithm for the problem concerning the existence of multi-type customers
2004
In this paper, we propose a new model of competitive facility location that there are...
Crop planning problem with random profit coefficients
2004
The crop planning problem is often formulated as a linear programming problem. But, in...
Multi-item production planning and management system based on unfulfilled order rate in supply chain
2007
In the automobile industry, a usual business model has a problem to realize mass...
Interval priorities in the analytic hierarchy process by interval regression analysis
2004
This paper proposes an interval approach for obtaining interval weights of priorities...
Fuzzy random bottleneck spanning tree problems using possibility and necessity measures
2004
This paper investigates bottleneck spanning tree problems where each cost attached to...
A method for discriminating efficient candidates with ranked voting data
2003
Ranked voting data arise when voters select and rank more than one candidate with...
A model of crop planning under uncertainty in agricultural management
2003
The crop planning problem is often formulated as a linear programming problem. But, in...
An efficient complete enumeration method for network design problems and its applications
2002
In many network design problems, the best layout of components is searched considering...
Fuzzy inventory problems for perishable commodities
2002
This paper considers an inventory control model for a single perishable product with a...
Fuzzy due-date scheduling problem with fuzzy processing time
1999
For most of scheduling problems, jobs' processing times and due-dates are treated as...
Bi-criteria scheduling problem on three identical parallel machines
1999
In this paper, we consider two and three identical parallel machine scheduling...
Two-machines scheduling problem with fuzzy allowable time constraint
1998
We have already introduced many fuzzy concepts to scheduling problem and discussed so...
A stochastic inventory problem with fuzzy shortage cost
1998
Up to now, many inventory models have been considered in the literature. Some assume...
Fuzzy sharing problem by possibility measure
1997
In this paper, weights, which are associated with the sink nodes as constant values in...
Single machine scheduling problem with fuzzy precedence relation
1995
This paper considers the single machine scheduling problem with fuzzy precedence...
One machine scheduling problem with fuzzy duedates
1994
This paper considers a generalized one machine maximum lateness problem with fuzzy...
An approach based on necessity measure to the fuzzy spanning tree problems
1996
On the decision problems with defective information, the uncertain elements are often...
Perishable inventory control with two types of customers and different selling prices under the warehouse capacity constraint
1996
This paper discusses an inventory model for a single perishable product with two types...
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