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Optimal scheduling of shifts and breaks using employees having limited time‐availability

Gary M. Thompson
1996 International Journal of Service Industry Management  
day (a condition we call limited time-availability).  ...  Further increasing the difficulty of developing labour schedules is the fact that managers often resort to using employees available for work only during individually specified portions of the operating  ...  The first new constraint set equates the number of shifts scheduled from each availability group to the number of employees from that group who actually work.  ... 
doi:10.1108/09564239610109410 fatcat:pqbvh4ymyrga7c4m5yoabdf6sa

A New Availability Assessment Method for Complex Control Systems With Multi-Characteristics

X. J. Yi, J. Shi, B. S. Dhillon, H. N. Mu, P. Hou
2019 IEEE Access  
Furthermore, the coverage rate of the lower confidence limit of the system availability obtained by the new method is compared with the nominal significance level.  ...  This paper proposes a new availability assessment method for complex control systems with multi-characteristics based on the goal-oriented (GO) method to evaluate the lower confidence limit of its system  ...  ACKNOWLEDGMENT The authors are grateful to the chief editor, editor and reviewers for the suggestions, which improve the draft of this paper.  ... 
doi:10.1109/access.2019.2893267 fatcat:nwaactrybbegjjuu5wdvb7na5y

A Palm-Jacobaeus Loss Formula for Multi-Service Systems with Separated Resources

Mariusz Głąbowski, Adam Kaliszan, Maciej Stasiak
2020 Applied Sciences  
The elaborated extension of the Palm-Jacobaeus formula can be used in the modeling of separated wireless resources in cellular networks.  ...  This article presents a method to determine the blocking probability (non-availability) for strictly determined multi-service resources that belong to a group of multi-service resources.  ...  The last section summarizes the most important results of the study. Model of the Group with Limited Availability Consider a system called LAG (limited-availability group) in the literature, cf.  ... 
doi:10.3390/app10114019 doaj:9898f19a848e4d7ea85125d8586c5468 fatcat:ewb7hjioknetvcga6elp6ikf24

Identifying strategies to improve access to credible and relevant information for public health professionals: a qualitative study

Nancy R LaPelle, Roger Luckmann, E Hatheway Simpson, Elaine R Martin
2006 BMC Public Health  
Features of the model were endorsed by the subjects who reviewed it. Conclusion: Many critical information needs of PH practitioners are not being met efficiently or at all.  ...  and rigorous evaluation of new models of information organization and delivery that draw on successful resources already operating to deliver information to clinical medical practitioners.  ...  Acknowledgements The Evidence Based Practice for Public Health Project at the Lamar Soutter Library of the University of Massachusetts Medical School is funded through a cooperative agreement with the  ... 
doi:10.1186/1471-2458-6-89 pmid:16597331 pmcid:PMC1456961 fatcat:mcu53ckkundvpjo3h5dyo74weu

Understanding the modes of tranmission model of new HIV infection and its use in prevention planning

Kelsey Case, Peter Ghys, Eleanor Gouws, Jeffery Eaton, Annick Borquez, John Stover, Paloma Cuchi, Laith Abu-Raddad, Geoffrey Garnett, Timothy Hallett
2012 Bulletin of the World Health Organization  
The model estimates the number of new HIV infections that will be acquired over the ensuing year by individuals in identified risk groups in a given population using data on the size of the groups, the  ...  However, concerns have been raised about the assumptions underlying the model structure, about limitations in the data available for deriving input parameters and about interpretation and communication  ...  Acknowledgements We thank participants of the HIV Modelling Consortium: Rifat Atun, Imperial College London; Bertran Auvert, University of Versailles Saint Quentin  ... 
doi:10.2471/blt.12.102574 pmid:23226895 pmcid:PMC3506404 fatcat:g5sej7kor5fnxiwjq2cysq6x2y

A New Analytical Model of UMTS Cell

Maciej Stasiak, Sławomir Hanczewski
2012 Image Processing & Communications  
This paper discusses a new analytical model of the WCDMA radio interface. The proposed model is based on Erlang's Ideal Grading with multi-rate traffic and different availability characteristics.  ...  The operation of the new model is presented with the example of the WCDMA interface in which selected classes of calls have introduced traffic constraint.  ...  The basis for the analytical model of the WCDMA interface proposed in [4] is, in turn, the limited-availability group model.  ... 
doi:10.2478/v10248-012-0017-z fatcat:3jzemt5fi5ddbfsk2hkn23mh4e

Multi-dimensional digital human models for ergonomic analysis based on natural data representations

Niels C.C.M. Moes
2015 International Journal of the Digital Human  
Digital human models are often used for ergonomic analysis of product designs, before physical prototypes are available.  ...  However, existing digital human models cannot be used to simultaneously: 1) consider the tissue loads and the physiological effects of the tissue loads; 2) optimise the product properties.  ...  New sub-models, which are not shown, can be added, when new sub-models are available. New knowledge, which is not shown, can also be added, when new knowledge is available.  ... 
doi:10.1504/ijdh.2015.067136 fatcat:wguxftl4rncpbalycm6lc33mw4

Estrogen Receptor Status and the Future Burden of Invasive and In Situ Breast Cancers in the United States

Philip S. Rosenberg, Kimberly A. Barker, William F. Anderson
2015 Journal of the National Cancer Institute  
models, and population projections from the US Census Bureau.  ...  No study has predicted the future incidence rate and annual burden (number) of new cases in the United States of invasive and in situ female breast cancers stratified by the estrogen receptor (ER) status  ...  Notes The study sponsor had no role in the design of the study, the collection, analysis, or interpretation of the data, the writing of the manuscript, nor the decision to submit the manuscript for publication  ... 
doi:10.1093/jnci/djv159 pmid:26063794 pmcid:PMC4836802 fatcat:kvkhps2jwnf6ppixwzjjvskhyq

Species Distribution Models of Tropical Deep-Sea Snappers

Céline Gomez, Ashley J. Williams, Simon J. Nicol, Camille Mellin, Kim L. Loeun, Corey J. A. Bradshaw, Konstantinos I Stergiou
2015 PLoS ONE  
Depth was consistently the best predictor of presence for all species groups across all models. Bathymetric slope was consistently the poorest predictor.  ...  We developed species distribution models using spatially limited presence data for the main harvested species in the Western Central Pacific Ocean.  ...  Acknowledgments We thank the Government Fisheries Departments of New Caledonia and Tonga for supplying deep-sea snapper fisheries data.  ... 
doi:10.1371/journal.pone.0127395 pmid:26030067 pmcid:PMC4451071 fatcat:cypcfwoftjhvfjx2kj4gusmlbq

Predictive models for acute oral systemic toxicity: A workshop to bridge the gap from research to regulation

Nicole C. Kleinstreuer, Agnes L. Karmaus, Kamel Mansouri, David G. Allen, Jeremy M. Fitzpatrick, Grace Patlewicz
2018 Computational Toxicology  
In early 2018, the Interagency Coordinating Committee for the Validation of Alternative Methods (ICCVAM) published the "Strategic Roadmap for Establishing New Approaches to Evaluate the Safety of Chemicals  ...  At the workshop, computational modelers and regulatory decision makers met to discuss the feasibility of using predictive model outputs for regulatory use in lieu of acute oral systemic toxicity testing  ...  Acknowledgments: The authors thank the ICCVAM ATWG members and the Predictive Models for Acute Oral Systemic Toxicity Workshop Organizing Committee: D. Asturiol, S. Bell, L. Burgoon, D. Cronce, J.  ... 
doi:10.1016/j.comtox.2018.08.002 pmid:30320239 pmcid:PMC6178952 fatcat:ijsewjee65ci5aovwrmwabidti

Building a web-based tool to support clinical decisions in the control of Chlamydia trachomatis and Neisseria gonorrhoeae infections

Kun Zhao, Fasheng Qiu, Guantao Chen
2013 BMC Proceedings  
This application takes population groups, prevalence rates, parameters for available screening assays and treatment regimens (costs, sensitivity, and specificity), as well as budget limits as inputs.  ...  Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) are the agents of two common, sexually transmitted diseases afflicting women in the United States (http://www.cdc.gov).  ...  The full contents of the supplement are available online at http://www.biomedcentral.com/bmcproc/supplements/7/S7.  ... 
doi:10.1186/1753-6561-7-s7-s11 pmid:24564848 pmcid:PMC4109704 fatcat:g7aovbjmnfc25ll7xt7obyy7vm

Design of case report forms based on a public metadata registry: re-use of data elements to improve compatibility of data

Martin Dugas
2016 Trials  
A prototypic system is available. The main limitation of the system is the amount of available MDR content.  ...  Results: Based on the Medical Data Models portal, an ISO/IEC 11179-compliant MDR was implemented and connected to a web-based CRF editor.  ...  Acknowledgements The permission of principal investigators (PIs) to publish CRFs in the MDM portal is acknowledged, in particular PIs from European LeukemiaNet and the German Society for Paediatric Oncology  ... 
doi:10.1186/s13063-016-1691-8 pmid:27899162 pmcid:PMC5129226 fatcat:soh2foffljdlpmiaem2hu6o4ui

Selecting HIV infection prevention interventions in the mature HIV epidemic in Malawi using the mode of transmission model

Kenneth Maleta, Cameron Bowie
2010 BMC Health Services Research  
Methods: The UNAIDS Mode of Transmission model was populated with Malawi data and estimates of incident cases calculated for each exposure group.  ...  No community based incidence studies have been carried out in Malawi, so estimates of where new infections are occurring require the use of mathematical models and knowledge of the size and sexual behaviour  ...  commissioned and funded by the National AIDS Commission, Lilongwe, Malawi. The paper provided the majority of input variables for the model.  ... 
doi:10.1186/1472-6963-10-243 pmid:20723240 pmcid:PMC2936376 fatcat:x5ypmqq3j5ewdctquwj72vuo6u

Social Support Is a Primary Influence on Home Fruit, 100% Juice, and Vegetable Availability

Tom Baranowski, Kathy Watson, Mariam Missaghian, Alison Broadfoot, Karen Cullen, Theresa Nicklas, Jennifer Fisher, Janice Baranowski, Sharon O'Donnell
2008 Journal of the American Dietetic Association  
We proposed and tested a model that predicts the availability at home (hereinafter termed "home availability") of fruit, 100% juice, and vegetables, using new measures of frequency of food shopping, purchase  ...  Despite many statistically significant bivariate correlations between the new variables and home fruit, 100% juice, and vegetable availability, social support was the primary predictor of home fruit availability  ...  The importance of the new variables was emphasized by the substantial increase in predictiveness of the multivariate models when the new variables were added.  ... 
doi:10.1016/j.jada.2008.04.016 pmid:18589035 pmcid:PMC2724748 fatcat:icihvpoldbcptkrcvy75vrzyvy

Analytical modelling of multiservice switching networks with multiservice sources and resource management mechanisms

Mariusz Głąbowski, Maciej Sobieraj
2017 Telecommunications Systems  
The proposed method is a universal one, which allows for determining blocking probability using the same model, regardless of the type of admission control mechanisms and resource management mechanisms  ...  This article proposes a new analytical method of determining occupancy distribution and blocking probability in multiservice switching networks with admission control mechanisms and resource management  ...  To reflect the values of the thresholds established for the model of a limited-availability group (model of a group of output links) on the values of the thresholds implemented in the model of a full-availability  ... 
doi:10.1007/s11235-017-0305-4 fatcat:tygaojpp7bbgpb65naxkkc72de
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