Xem 1-20 trên 180 kết quả Evaluative role
  • Organic expanders play an important role in the lead–acid battery. This study presents the design of an electrochemical method which evaluates the influence of some commercial expanders on the performance of the negative plate. Examination is made of different commercial expander formulations which are prepared in the laboratory under carefully controlled conditions.

    pdf5p congdat261 19-11-2010 41 6   Download

  • Physical Activity Therapy Although exercise alone is only moderately effective for weight loss, the combination of dietary modification and exercise is the most effective behavioral approach for the treatment of obesity. The most important role of exercise appears to be in the maintenance of the weight loss. Currently, the minimum public health recommendation for physical activity is 30 min of moderate intensity physical activity on most, and preferably all, days of the week.

    pdf5p konheokonmummim 03-12-2010 45 4   Download

  • The Mathematical Sciences Education Board (MSEB) of the National Research Council was established in 1985 to provide national leadership and guidance for policies, programs, and practices supporting the improvement of mathematics education at all levels. Curriculum materials for grades K-12 play a central role in what mathematics topics are taught in our schools, how the topics are sequenced and presented to students, what levels of understanding are expected, what skills students will develop and when.

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  • It is widely accepted that a modal shift towards railways can contribute to meeting EU targets on climate protection and reducing greenhouse gas emissions. A stronger role for rail will help to achieve real progress towards the 2020 target of a 20% cut in the EU’s greenhouse gas emissions. However, concerted action must be taken by governments and policy-makers to help bring this about. The rail sector is doing its part, having already agreed on a voluntary target for 2020, to cut its 1990 levels of specifi c emissions by 30%.

    pdf50p yeutinh98 26-09-2012 34 3   Download

  • A summary of the TOE security functions can be found in chapter 1.3.4. A more detailed description of the security functions can be found in chapter 7, TOE Summary Specification. Please note that only the SQL Server 2008 database engine is addressed in this ST. Other related products of the SQL Server 2008 platform, such as Service Broker, provide services that are useful but are not central to the enforcement of security policies. Hence, security evaluation is not directly applicable to those other products. ...

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  • The task of Semantic Role Labeling (SRL) is often divided into two sub-tasks: verb argument identification, and argument classification. Current SRL algorithms show lower results on the identification sub-task. Moreover, most SRL algorithms are supervised, relying on large amounts of manually created data. In this paper we present an unsupervised algorithm for identifying verb arguments, where the only type of annotation required is POS tagging.

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  • In particular, we examine whether the discourse coherence found in an essay, as de ned by a measure of relative proportion of Rough-Shift transitions, might be a signi cant contributor to the accuracy of computer-generated essay scores. Our positive nding validates the role of the Rough-Shift transition and suggests a route for exploring Centering Theory's practical applicability to writing evaluation and instruction.

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  • We present results of two methods for assessing the event profile of news articles as a function of verb type. The unique contribution of this research is the focus on the role of verbs, rather than nouns. Two algorithms are presented and evaluated, one of which is shown to accurately discriminate documents by type and semantic properties, i.e. the event profile. The initial method, using WordNet (Miller et al. 1990), produced multiple cross-classification of articles, primarily due to the bushy nature of the verb tree coupled with the sense disambiguation problem. ...

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  • In both groups (patients with epilepsy and healthy controls) we used a questionnaire Epworth Scale of Sleepiness (ESS) (Johns, 1991). By answering eight questions about probability of falling asleep in standard situations we came to the result, i.e. score of daytime sleepiness ranging from 0 to 24. Rate 0-9 is considered as normal value, above 9 as elevated daytime sleepiness and value above 16 is considered as remarkably elevated daytime sleepiness (Watanabe et al., 2003).

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  • We introduce a novel semi-automated metric, MEANT, that assesses translation utility by matching semantic role fillers, producing scores that correlate with human judgment as well as HTER but at much lower labor cost. As machine translation systems improve in lexical choice and fluency, the shortcomings of widespread n-gram based, fluency-oriented MT evaluation metrics such as BLEU, which fail to properly evaluate adequacy, become more apparent.

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  • We present a FrameNet-based semantic role labeling system for Swedish text. As training data for the system, we used an annotated corpus that we produced by transferring FrameNet annotation from the English side to the Swedish side in a parallel corpus. In addition, we describe two frame element bracketing algorithms that are suitable when no robust constituent parsers are available. We evaluated the system on a part of the FrameNet example corpus that we translated manually, and obtained an accuracy score of 0.

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  • The Department of Defense (DoD), along with other federal agencies, is striving to improve the effectiveness and efficiency of its civilian workforce and to address impending personnel challenges, such as a significant increase in retirement rates. The Department is evaluating the extent to which a data-driven and

    pdf0p xuancoem 01-02-2013 13 1   Download

  • The Navy Enterprise has evolved over the past decade to achieve various objectives from improving efficiencies through lean, six-sigma efforts to producing the workforce of the future. This evaluation of the participation of organizations within the Navy Enterprise in the Planning, Programming, Budgeting and Execution (PPBE)

    pdf1p xuancoem 05-02-2013 17 1   Download

  • A hybrid convolution tree kernel is proposed in this paper to effectively model syntactic structures for semantic role labeling (SRL). The hybrid kernel consists of two individual convolution kernels: a Path kernel, which captures predicateargument link features, and a Constituent Structure kernel, which captures the syntactic structure features of arguments. Evaluation on the datasets of CoNLL2005 SRL shared task shows that the novel hybrid convolution tree kernel outperforms the previous tree kernels.

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  • We argue that the machine translation community is overly reliant on the Bleu machine translation evaluation metric. We show that an improved Bleu score is neither necessary nor sufficient for achieving an actual improvement in translation quality, and give two significant counterexamples to Bleu’s correlation with human judgments of quality. This offers new potential for research which was previously deemed unpromising by an inability to improve upon Bleu scores.

    pdf8p bunthai_1 06-05-2013 25 1   Download

  • We present the psycholinguistically motivated task of predicting human plausibility judgements for verb-role-argument triples and introduce a probabilistic model that solves it. We also evaluate our model on the related role-labelling task, and compare it with a standard role labeller. For both tasks, our model benefits from classbased smoothing, which allows it to make correct argument-specific predictions despite a severe sparse data problem. The standard labeller suffers from sparse data and a strong reliance on syntactic cues, especially in the prediction task. ...

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  • In this paper, we present a formalization of grammatical role labeling within the framework of Integer Linear Programming (ILP). We focus on the integration of subcategorization information into the decision making process. We present a first empirical evaluation that achieves competitive precision and recall rates.

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  • The role of chitosan in protection of soybean from sudden death syndrome caused by Fusarium solani f. sp. glycines has many contents: introduction, methods, fungal culture and growth, evaluation of the role of chitosan in protection of soybean from SDS development, chitinase activity assay in soybean leaves, statistical analysis, eVects of chitosan as a natural antifungal agenton inhibition of the radial and submerged growth ofF. solani f. sp. glycines,...

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  • Cua Viet is the Thach Han river’s mouth. It is quite big estuary that is located in the central coastal province of Quang Tri. In which, Cua Viet port plays an important role for water transport and commerce of the province. In recent years, accretion and erosion have occurred increasingly in term of scale and intensity. In addition, estuarine access channels suffer severely from sedimentation.

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  • The field of marketing communications is ever-changing. Brand managers continually attempt to gain advantage over competitors and endeavor to achieve larger market shares and profits for the brands they manage. Marketing communications, or marcom, is just one element of the marketing mix, but advertising, promotions, marketing-oriented public relations, and other marcom tools perform increasingly important roles in firms’ quests to achieve financial and nonfinancial goals.

    pdf654p kimngan_1 06-11-2012 110 18   Download

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