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Sports result prediction using data mining techniques in comparison with base line model
OPSEARCH - - 2021
A discrete time bulk service queue with accessible batch: Geo/ NB (L,K) /1
OPSEARCH - Tập 46 - Trang 321-334 - 2009
This paper considers a discrete-time queue of packets awaiting movement according to the bulk service rule (L, K). Time is assumed to be divided into equal intervals called slots. The analysis has been carried out under the assumption that (i) service times of batches are independent of the number of packets in any batch, and (ii) there is no simultaneous arrival of packets and departure of batch ...... hiện toàn bộ
Higher order strict global minimizers in non-differentiable multiobjective optimization involving higher order invexity and variational inequality
OPSEARCH - - Trang 1-19 - 2023
In this paper, we introduce new classes of higher order generalized strong invex functions under non-differentiable settings. The optimality results are derived for higher order strict global minimizers of non-differentiable multiobjective programming problems using these functions. Numerical examples and illustrations are provided in support of new classes of functions and the optimality conditio...... hiện toàn bộ
$$\chi$$ χ -Optimal solution of single objective nonlinear optimization problem with uncertain parameters
OPSEARCH - - 2018
On neutrosophic soft rings
OPSEARCH - Tập 54 - Trang 143-167 - 2016
In this paper, the concept of neutrosophic soft ring is introduced and some basic properties related to it are established. Then the Cartesian product of neutrosophic soft ring, neutrosophic soft subring, neutrosophic normal soft ring, neutrosophic soft ideal are defined and illustrated by suitable examples. Several related properties and structural characteristics of these are studied here. Some ...... hiện toàn bộ
On the discrete-time Geo/G/1 retrial queueing system with preemptive resume and Bernoulli feedback
OPSEARCH - Tập 53 - Trang 116-130 - 2015
In this paper, we consider the discrete-time Geo/G/1 retrial queue with preemptive resume and Bernoulli feedback. This model unifies the FCFS and LCFS preemptive resume disciplines. We analyze the Markov chain underlying the regarded queueing system and present some performance measures of the queueing system in steady-state. Besides, the stochastic decomposition property and the corresponding con...... hiện toàn bộ
Selecting critical suppliers for supplier development to improve supply management
OPSEARCH - Tập 50 - Trang 42-59 - 2012
In a supply chain, the upper echelons plays a key role in tuning the chain performance. In the procurement cycle of the supply chain, the manufacturer outsources more parts and services to focus on their own core competencies. A situation may arise in which some suppliers may under perform in providing critical strategic supplies. This paper analyzes supplier performance using multi-criteria decis...... hiện toàn bộ
Modelling the performance of single-input–single-output (SISO) processes using transfer function and fuzzy logic
OPSEARCH - Tập 57 - Trang 815-836 - 2020
A previously developed method for evaluating the performance of zero order single input single output (SISO) processes using transfer function modeling assumed constant lags and zero or negligible noise. This work models the performance of SISO systems with variable lags and noise using transfer function modeling and fuzzy logic inference systems. Two single input single output processes exemplifi...... hiện toàn bộ
ABC classification according to Pareto’s principle: a hybrid methodology
OPSEARCH - Tập 56 - Trang 539-562 - 2019
So far, many methods have been proposed to classify items based on ABC analysis, but the results of these methods have had relatively low compliance with the principles of ABC. More precisely, collective value and sometimes the number of items belonging to each category in the methods provided do not meet the basic requirements of ABC called Pareto’s principle. In this study, a number of hybrid me...... hiện toàn bộ
Approximate Saddle Points for Minmax Problems and Vector Valued Games
OPSEARCH - Tập 40 Số 1 - Trang 1-10 - 2003
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