نتایج جستجو برای: literature problems

تعداد نتایج: 1080138  

2017
Michael R. Kellman

Blind deconvolution is the process of deconvolving a known acquired signal with an unknown point spread function (PSF) or channel encoding, by jointly estimating the system’s input as well as the system’s PSF. Models for this problem often present as the convolution or product of the underlying signal and the system’s PSF. The acquired signal is bi-linear in these two unknown signals (i.e. line...

2000

The chapter has four sections. In the first section, we review the literature linking stress to psychological health problems. In the second section, we examine evidence linking stress exposure to physical illness and disease, focusing on both stress in general and war-zone exposure in particular. In the third section, we examine the role played by cognitive and social factors in fostering the ...

2010
Hafiz Ullah Sultana Parveen

The present paper, discuss one of the most challenging subjects for the management namely production planning. It appears to be a hierarchical process ranging from long to medium to short term decisions. Production planning models are divided into two categories which are capacitated and uncapacitated. This paper reviews the literature on singlelevel single-resource lotsizing models and provide...

Journal: :Annals OR 2016
J. Arturo Castillo-Salazar Dario Landa Silva Rong Qu

In the context of workforce scheduling, there are many scenarios in which personnel must carry out tasks at different locations hence requiring some form of transportation. Examples of these type of scenarios include nurses visiting patients at home, technicians carrying out repairs at customers’ locations and security guards performing rounds at different premises, etc. We refer to these scena...

2011
Jeroen Beliën Liesje De Boeck Jonas Van Ackere

This paper presents a review of the available literature on solid waste management problems, with a particular focus on vehicle routing problems. The available papers are classified into different categories with the purpose of providing the reader with a guide that facilitates his/her search for papers in his/her field of interest. For each category, a table is presented that gives a summary o...

2000

This chapter evaluates available data bearing directly on the possible role of exposure to potentially stressful conditions as an etiologic factor in the health problems of veterans of the Persian Gulf War. After describing our method for identifying relevant studies and briefly characterizing different approaches used by these studies to measure stress exposure and health outcomes, this chapte...

Journal: :IJMNO 2013
Momin Jamil Xin-She Yang

Test functions are important to validate and compare the performance of optimization algorithms. There have been many test or benchmark functions reported in the literature; however, there is no standard list or set of benchmark functions. Ideally, test functions should have diverse properties so that can be truly useful to test new algorithms in an unbiased way. For this purpose, we have revie...

Journal: :iranian journal of management studies 2012
hooman attar seyed mohammad shahabi sepideh nasiri

this paper seeks to trace some of the roots and problems of the rational view of innovation. concentrating primarily upon product innovation, we point out that the eighteenth century notion of social progress in the light of reason has gradually given an enormous impetus to a rational view of product innovation in modern organizations. we summarize several decades of research into management of...

Journal: :Journal of abnormal child psychology 2012
Stephan Collishaw Frances Gardner Barbara Maughan Jacqueline Scott Andrew Pickles

The coincidence of historical trends in youth antisocial behavior and change in family demographics has led to speculation of a causal link, possibly mediated by declining quality of parenting and parent-child relationships. No study to date has directly assessed whether and how parenting and parent-child relationships have changed. Two national samples of English adolescents aged 16-17 years i...

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