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Appropriate Balance (appropriate + balance)
Selected AbstractsEvolving modular networks with genetic algorithms: application to nonlinear time seriesEXPERT SYSTEMS, Issue 4 2004A.S. Cofiño Abstract: A key problem of modular neural networks is finding the optimal aggregation of the different subtasks (or modules) of the problem at hand. Functional networks provide a partial solution to this problem, since the inter-module topology is obtained from domain knowledge (functional relationships and symmetries). However, the learning process may be too restrictive in some situations, since the resulting modules (functional units) are assumed to be linear combinations of selected families of functions. In this paper, we present a non-parametric learning approach for functional networks using feedforward neural networks for approximating the functional modules of the resulting architecture; we also introduce a genetic algorithm for finding the optimal intra-module topology (the appropriate balance of neurons for the different modules according to the complexity of their respective tasks). Some benchmark examples from nonlinear time-series prediction are used to illustrate the performance of the algorithm for finding optimal modular network architectures for specific problems. [source] Quantifying the Effects of Mask Metadata Disclosure and Multiple Releases on the Confidentiality of Geographically Masked Health DataGEOGRAPHICAL ANALYSIS, Issue 1 2008Dale L. Zimmerman The availability of individual-level health data presents opportunities for monitoring the distribution and spread of emergent, acute, and chronic conditions, as well as challenges with respect to maintaining the anonymity of persons with health conditions. Particularly when such data are mapped as point locations, concerns arise regarding the ease with which individual identities may be determined by linking geographic coordinates to digital street networks, then determining residential addresses and, finally, names of occupants at specific addresses. The utility of such data sets must therefore be balanced against the requirements of protecting the confidentiality of individuals whose identities might be revealed through the availability of precise and accurate locational data. Recent literature has pointed toward geographic masking as a means for striking an appropriate balance between data utility and confidentiality. However, questions remain as to whether certain characteristics of the mask (mask metadata) should be disclosed to data users and whether two or more distinct masked versions of the data can be released without breaching confidentiality. In this article, we address these questions by quantifying the extent to which the disclosure of mask metadata and the release of multiple masked versions may affect confidentiality, with a view toward providing guidance to custodians of health data sets. The masks considered include perturbation, areal aggregation, and their combination. Confidentiality is measured by the areas of confidence regions for individuals' locations, which are derived under the probability models governing the masks, conditioned on the disclosed mask metadata. [source] The Democratic Legitimacy of the European Union Committee SystemGOVERNANCE, Issue 2 2002Mark Rhinard This article investigates both the operation and the democratic legitimacy of the European Union committee system. This vast but rarely studied system is an important site of European governance, exercising an increasing amount of policy responsibility while also providing the essential arenas necessary for supranational problem solving. Despite their contribution to the success of the "European project," committees are increasingly coming under attack, notably for their lack of democratic credentials. The article employs original empirical research based on interviews and internal documentary evidence to answer a timely question: does the EU committee system strike an appropriate balance between the values of system effectiveness and democratic legitimacy? Following the application of a set of democratic principles to EU committees, the article finds that a poor balance has been struck between effectiveness and democracy. The article concludes with some operational suggestions for improving this balance in the short-to-medium term. [source] Particle Swarm Optimization with Diverse ParametersIEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING, Issue 4 2008Mari Takei Student Member Abstract This paper proposes a particle swarm optimization (PSO) with diverse parameters that achieve an appropriate balance between diversification and intensification during the search based on numerical stability analysis. Numerical experiments using seven typical benchmark problems with 100, 500, and 1000 dimensions validate the robustness and search capabilities of the proposed PSO. © 2008 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc. [source] Appropriate dosing of antiarrhythmic drugs in Japan requires therapeutic drug monitoring,JOURNAL OF CLINICAL PHARMACY & THERAPEUTICS, Issue 1 2005M. Takada PhD Summary Objective:, In general, drugs are used in accordance with an approved dosage regimen in expectation of an appropriate balance between efficacy and toxicity. However, dose control of drugs with a narrow therapeutic range and marked intersubject variability in pharmacokinetics should be established through individualization of dosing based on therapeutic drug monitoring (TDM). The purpose of this study was to examine differences between the approved dosage regimen and the doses of antiarrhythmic drugs and digoxin used in clinical practice and to examine the influence of TDM on dosing. Methods:, Prescription research of antiarrhythmic drugs was performed at five national hospitals in Japan. Prescriptions for antiarrhythmic drugs (cibenzoline, disopyramide, pirmenol, mexiletine, aprindine, flecainide, pilsicainide, amiodarone and digoxin) were counted for the study period. The mean dose and dose distribution of the drugs were determined in each hospital. Comparisons were made of mean dose obtained in the study with the dosage approved by the authority. In addition, the percentage of patients that received TDM was determined. Results:, A difference was seen between the approved dosage and the actual dose. For all drugs except flecainide, the mean dose was smaller than the approved dosage. For all drugs except digoxin, remarkable variations were seen in the dose distribution among the hospitals. Digoxin showed a similar dose distribution among the five hospitals. Overall, the percentage of patients that received TDM was low except for Hospital A. However, TDM of digoxin was relatively common at four of the hospitals. Conclusions:, It is concluded that, with the exception of digoxin, the appropriate dosing regimen for antiarrhythmic drugs is not yet established. The establishment of appropriate dosing regimens for antiarrhythmic drugs requires the more widespread adoption of TDM. [source] Preparing for "diastole": Advanced training opportunities for academic hospitalistsJOURNAL OF HOSPITAL MEDICINE, Issue 6 2006Vineet Arora MD Abstract Academic hospital medicine can be described as comprising periods of "systole," during which hospitalists provide clinical care, and periods of "diastole," the portion of a hospitalist's time spent in nonclinical activities. Far from being a period of relaxation, diastole is an active component of a hospitalist's work, the time devoted to the pursuit of career advancement. This period is a critical opportunity for career development in terms of medical research, education, quality improvement, or administration. An appropriate balance of systole and diastole may potentially prevent burnout and allow hospitalists opportunities to focus on academic advancement. Although an increasing number of residency graduates opt for a career in academic hospital medicine, few are prepared for the period of diastole. This article describes several career options in academic hospital medicine, specifically, opportunities in education, research, quality improvement, and administrative opportunities. By informing future hospitalists about the career opportunities within academic hospital medicine possible through managing their diastolic time, we hope that future generations of trainees will be better prepared to enter this field. Journal of Hospital Medicine 2006;1:368,377. © 2006 Society of Hospital Medicine. [source] Service Versus Education: Finding the Right Balance: A Consensus Statement from the Council of Emergency Medicine Residency Directors 2009 Academic Assembly "Question 19" Working GroupACADEMIC EMERGENCY MEDICINE, Issue 2009Antonia Quinn DO Abstract Many emergency medicine (EM) residency programs have recently received citations for their residents' responses to Question 19 of the Accreditation Council on Graduate Medical Education annual survey, which asks residents to rate their program's emphasis on clinical education over service obligations. To the best of our knowledge, no prior investigations or consensus statements exist that specifically address the appropriate balance between educational activity and clinical service in EM residency training. The objective of this project was to create a consensus statement based on the shared insights of academic faculty and educators in EM, with specific recommendations to improve the integration of education with clinical service in EM residency training programs. More than 80 EM program directors (PDs), associate and assistant PDs, and other academic EM faculty attending an annual conference of EM educators met to address this issue in a discussion session and working group. Participants examined the current literature on resident service and education and shared with the conference at large their collective insight and experience and possible solutions to this challenge. A consensus statement of specific recommendations and effective educational techniques aimed at balancing service and education requirements was created, based on the contributions of a diverse group of academic emergency physicians. Recommendations included identifying the teachable moment in all clinical service; promoting resident understanding of program goals and expectations from the beginning; educating residents about the ACGME resident survey; and engaging hospitals, institutional graduate medical education departments, and residents in finding solutions. [source] | ||||||||||||||||