10 articles in this issue
M. H. Hajialia,M. R. Mosavi,K. Shahanaghi
One of the important issues in project management is estimation of projects completion time. This paper proposes a model based on ensemble learning using certain features of projects in Earn Value Management (EVM) to estimate project completion time. Prop... see more
Ishak Abdul Azid,Mohd Norzaimi Che Ani,Siti Aisyah Abdul Hamid,Shahrul Kamarudin
In this paper, a process improvement model that is enhanced through the integration of motion time study and quality tools is proposed. The model is intended to support the process improvement drive particularly for practitioners of time and motion study ... see more
Jae Jung Kim,Soo Young Chang,Woo-Lahm Kwak
We consider the problem of consolidating compatible orders for a batch production process where its downstream process differentiates its output to yield final products that are characterized by p different attributes. In particular, we consider the case ... see more
Saeedeh Hashemi,Majid Salari,Mohammad Ranjbar
In this paper, we introduce a practical variation of the standard vehicle routing problem (VRP). The problem is a combination of the multi-trip, open and VRP with time windows. A practical application of the introduced problem is to provide service for th... see more
Raghu Nandan Giri,Shyamal Kumar Kumar,Manoranjan Maiti
The paper deals with a single period joint ordering inventory policy of two deteriorating substitute products. Here customers' demands are linear functions of prices and instantaneous stocks of the products. When both products are available, the demand of... see more
Asghar Aini,Kourosh Eshghi,Amir Salehipour
This paper proposes a new approach to study the sensitivity analysis in the network ow problems, in particular, the minimum spanning tree and shortest path problems. In a sensitivity analysis, one looks for the amount of changes in the edges' weights, num... see more
Yongro Park,Seung Hyun Baek,Seong-Hee Kim,Kwok-Leung Tsui
This paper presents a modified batch mean charts for network intrusion detection. Also 3 variants of the modified batch mean chart are provided. Simulation based on the standard control limits and robust control limits are performed with 4 factors: cycle,... see more
Zaid Kbah,Nadiye O. Erdil,Faisal Aqlan
Risks have been in the forefront of supply chain management because of the exponential rise of natural disasters and the noticeable increase of supply chain disruptions. In oil and gas industry, risk events can be associated with consequences that might l... see more
Lang Xu
This paper focuses on the optimal pricing and collection rate decision for a dual-channel forward supply chain, with which the manufacturer sells products via direct channel and retail channel in the forward logistics, while the recycling competition betw... see more
Ta-Hui Yang,I-Ching Lin,Chia-Fen Huang
This paper describes the development of a scheduling paradigm for wafer probe card manufacturing, which systematically generates a set of feasible schedule plans. As opposed to the commonly used operations research approach, a knowledge-based decision pro... see more