Xem 1-20 trên 278 kết quả Evaluating factors
  • In January 2006, the Committee met again for a two-day session during which another in-depth evaluation of each chapter was conducted. At this meeting, members reviewed the literature that appeared in 2005—using the same criteria developed for the update process. The list of 285 publications from 2005 that were considered is posted on the GINA website.

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  • This paper considers the problem of policy evaluation in a modern society with heterogeneous agents and diverse groups with conflicting interests. Several different approaches to the policy evaluation problem are compared including the approach adopted in modern welfare economics, the classical representative agent approach adopted in macroecononomics and the microeconomic treatment effect approach. A new approach to the policyevaluationproblemis developed and applied that combines and extends the best features of these earlier approaches.

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  • Factors thought to have contributed to the decline of the endangered suckers include degradation of spawning habitat, deterioration in the quality of water in Upper Klamath Lake, overexploitation by commercial and noncommercial fishing (now regulated), introduction of competitive or predaceous exotic species, bloc

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  • How might one evaluate the In order to take steps towards establishing a methodology for evaluating Natural Language systems, we relative contributions of each of these factors or comconducted a case study. We attempt to evaluate two pare two approaches to the same problem? different approaches to anaphoric processing in disIn order to take steps towards establishing a course by comparing the accuracy and coverage of methodology for doing this type of comparison, we two published algorithms for finding the co-specifiers conducted a case study. ...

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  • The T I P S T E R Text Summarization Evaluation (SUMMAC) has established definitively that automatic text summarization is very effective in relevance assessment tasks. Summaries as short as 17% of full text length sped up decisionmaking by almost a factor of 2 with no statistically significant degradation in Fscore accuracy. SUMMAC has also introduced a new intrinsic method for automated evaluation of informative summaries.

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  • This paper presents PARADISE (PARAdigm for Dialogue System Evaluation), a general framework for evaluating spoken dialogue agents. The framework decouples task requirements from an agent's dialogue behaviors, supports comparisons among dialogue strategies, enables the calculation of performance over subdialogues and whole dialogues, specifies the relative contribution of various factors to performance, and makes it possible to compare agents performing different tasks by normalizing for task complexity. ...

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  • Obtaining large volumes of inference knowledge, such as entailment rules, has become a major factor in achieving robust semantic processing. While there has been substantial research on learning algorithms for such knowledge, their evaluation methodology has been problematic, hindering further research. We propose a novel evaluation methodology for entailment rules which explicitly addresses their semantic properties and yields satisfactory human agreement levels. The methodology is used to compare two state of the art learning algorithms, exposing critical issues for future progress. ...

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  • In this paper we present a human-based evaluation of surface realisation alternatives. We examine the relative rankings of naturally occurring corpus sentences and automatically generated strings chosen by statistical models (language model, loglinear model), as well as the naturalness of the strings chosen by the log-linear model. We also investigate to what extent preceding context has an effect on choice. We show that native speakers do accept quite some variation in word order, but there are also clearly factors that make certain realisation alternatives more natural. ...

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  • There is a need for development of new diagnostic tools to allow earlier detection of active disease, predict disease progression and evaluate the response to periodontal therapy, thereby improving the clinical management of patients with periodontal diseases. Advances in periodontal diseases diagnostic research are moving toward methods whereby periodontal risk can be identified and quantified by objective measures such as biomarkers.

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  • This report presents a summary and assessment of design margins used in domestic and international pipeline codes throughout the world. Potential changes to the design factors contained in the U.S. pipeline regulations and codes have been recommended as a result of this review. The recommendations allow an increase in the design pressure in many pipelines.

    pdf94p thanhviet27 09-05-2011 125 34   Download

  • Keywords: Screw Drive, Dynamic Model, Vibration Modes, Ritz Series. Abstract. The ball screw drives are among the most commonly mechanisms used to provide motion in high speed machine tools. The most important factor that affects high speed positioning accuracy is the closed loop bandwidth, which in turn is affected by the structural vibration modes.

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  • Abstract: Industry standard for the control of switch mode power supply (SMPS) systems has been analog control. Now with the advent of high speed, lower cost digital signal processing (DSP) ICs, digital control there has been an increased interest in digital control of SMPS. The Power Electronics & Power Quality Laboratory of Texas A&M University is currently exploring several implementation aspects of digital control of power factor correction (PFC) stage of SMPS. Two low cost digital controllers: TMS320LF2407 and ST52x420 are evaluated for implementing PFC function.

    pdf11p longmontran 14-01-2010 117 30   Download

  • “Essentially, all life depends upon the soil. There can be no life without soil and no soil without life; they have evolved together.” - Charles E. Kellogg, USDA Yearbook of Agricul‐ ture, 1938. Natural processes and human activities alter the properties and quality of soils over time. The assessment of soil quality entails the evaluation of the capability of a soil to perform its functions not only in present scenarios but also how those functions can be preserved for future land...

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  • The media and/or any online materials accompanying this book that are available now or in the future contain programs and/or text files (the "Software") to be used in connection with the book. SYBEX hereby grants to you a license to use the Software, subject to the terms that follow. Your purchase, acceptance, or use of the Software will constitute your acceptance of such terms.

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  • Psychiatrists and diverse other mental health and broader healthcare professionals are faced with many challenges in effectively evaluating and treating persons with psychiatric illnesses and substance use disorders. Resources are often stretched thin, especially for those with the most serious and disabling conditions, and many people who would benefit from treatment are untreated, undertreated, or treated only after extended delays for complex reasons. Clinicians clearly have difficulties and barriers in their efforts to provide comprehensive, efficacious, and timely treatment.

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  • 'People skills' are now recognised as being THE single most important factor for success in business. Managing Yourself is a practical, easily absorbed and implemented guide to the assessment and then continuous personal improvement of your emotional intelligence. It provides the reader with easily understood and workable models of how they think, feel, relate to others and perform in the workplace. Often your emotions hold you back or deflect you off course. This book shows you how to master your emotions and get the results you deserve.

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  • This working paper focuses on the relevance of social, socioeconomic and behavioural factors on health status and mortality in a longitudinal setting and in a life-course perspective. First, we identify those factors which determine the health status of people aged 60+ in Germany. Based on this, our second aim is to find factors which determine transitions from good general health status, or from the absence of specific diseases, to a bad general health status or the presence of specific diseases.

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  • In this chapter, risk is accounted for by (1) applying a discount rate commensurate with the riskiness of the cash flows, and (2), by using a certainty equivalent factor In chapter 8, risk is accounted for by evaluating the project using sensitivity and breakeven analysis.

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  • The two projects have the same economic impact, in terms of generating income for factors of production and inducing additional expenditures, but the hospital has a higher net present value than the hole in the ground.

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  • We control for risk exposures in measuring the funds' ability to outperform following the four factor approach advocated by Carhart (1997). We start with a Pan-European four-factor model.

    pdf33p khanhchilam 29-03-2013 21 7   Download

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