Results 81 to 90 of about 24,009,102 (291)

Operations research in passenger railway transportation [PDF]

In this paper, we give an overview of state-of-the-art OperationsResearch models and techniques used in passenger railwaytransportation. For each planning phase (strategic, tactical andoperational), we describe the planning problems arising there ...
Huisman, D., Kroon, L.G., Lentink, R.M., Vromans, M.J.C.M.   +3 more
core   +1 more source

Promoting health information system in guiding decisions for improving performance: an intervention study at the Research Institute of Ophthalmology, Giza, Egypt

Frontiers in Digital Health
ObjectivesThis study aims to design and test a platform of key performance indicators (KPIs) and indices emphasizing achievements and improvement and helping decision-making.MethodsAn operations research study was designed to analyze data from the ...
Yara H Abdelgawad, Madiha Said Abd El Razik, Doa’a A Saleh, Manal H Abuelela, Marwa Rashad Salem   +4 more
doaj   +1 more source

Using Excel to reduce a Square Matrix

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2012
When solving operations research problems, one can use either specialised computer programs such as Lingo, Lindo, Storm or more universal programs such Excel, Matlab, and R.
Josef Holoubek, Petr Zach
doaj   +1 more source

Preface: operations research in neuroscience III. [PDF]

Ann Oper Res, 2022
Tikidji-Hamburyan RA, Kropat E, Weber GW.   +2 more
europepmc   +1 more source

Operational Research [PDF]

Journal of Applied Mathematics, 2013
M. Khodabakhshi, F. Hosseinzadeh Lotfi, X. Zhang, S. Li, S. H. Nasseri, K. Aryavash, R. Tavakkoli-Moghaddam   +6 more
openaire   +3 more sources

Operations Research: Methods and Problems.

, 1959
S. Vajda, Maurice Sasieni, Arthur Yaspan, Lawrence Friedman   +3 more
  +5 more sources

A Perspective on Supplier Selection and Order Allocation: Literature Review

Administrative Sciences
Purchasing and procurement managers should make informed decisions in selecting materials at the right time, in sufficient quantities, and at affordable prices.
Trish Nguyen, Saman Hassanzadeh Amin, Bharat Shah   +2 more
doaj   +1 more source

Continuous-Service M/M/1 Queuing Systems

Applied System Innovation, 2019
In this paper, we look into a novel notion of the standard M/M/1 queueing system. In our study, we assume that there is a single server and that there are two types of customers: real and imaginary customers. Real customers are regular customers arriving
Song Chew
doaj   +1 more source

Railway timetabling from an operations research [PDF]

In this paper we describe Operations Research (OR) models andtechniques that can be used for determining (cyclic) railwaytimetables. We discuss the two aspects of railway timetabling: ($i$)the determination of arrival and departure times of the trains ...
Huisman, D., Kroon, L.G., Maroti, G.
core   +1 more source

An Icon-Based Methodology for the Design of a Prototype of a Multi-Process, Multi-Product, Aggregated Production Planning Software

Mathematics
This paper proposes an icon-based methodology for the design of prototype aggregated production planning software that addresses the complexity of multi-process and multi-product production. Aggregate planning is a critical task in production management,
Erick Miranda-Meza, Iván Derpich, Juan M. Sepúlveda   +2 more
doaj   +1 more source