Selecting and evaluating

Xem 1-20 trên 212 kết quả Selecting and evaluating
  • We consider the problem of correcting errors made by English as a Second Language (ESL) writers and address two issues that are essential to making progress in ESL error correction - algorithm selection and model adaptation to the first language of the ESL learner. A variety of learning algorithms have been applied to correct ESL mistakes, but often comparisons were made between incomparable data sets. We conduct an extensive, fair comparison of four popular learning methods for the task, reversing conclusions from earlier evaluations. ...

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  • This paper focuses on identifying, extracting and evaluating features related to syntactic complexity of spontaneous spoken responses as part of an effort to expand the current feature set of an automated speech scoring system in order to cover additional aspects considered important in the construct of communicative competence.

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  • Our goal is to identify the features that predict cue selection and placement in order to devise strategies for automatic text generation. Much previous work in this area has relied on ad hoc methods. Our coding scheme for the exhaustive analysis of discourse allows a systematic evaluation and refinement of hypotheses concerning cues. We report two results based on this analysis: a comparison of the distribution of Sn~CE and BECAUSEin our corpus, and the impact of embeddedness on cue selection. ...

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  • A key problem in software testing is selecting and evaluating test cases. This chapter introduces basic approaches to test case selection and corresponding adequacy criteria. It serves as a general introduction to the problem and provides a conceptual framework for functional and structural approaches described in subsequent chapters.

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  • One day in 1998, Dennis Foth, the Director of Applied Arts in my faculty, dropped by my office. His unit was in the middle of redeveloping their writing program and he wondered if they should include a course about writing for media other than text. Writing for New Media, a 12-hour evening course, was born.

    pdf583p japet75 30-01-2013 21 6   Download

  • The objectives of the CARD project entitled “Development and Selection of Commercial and High Quality Cultivars of Root and Tuber Crops for Processing Purpose in the Northern and Central Vietnam” between FCRI and Sydney University are to 1) Select a certain number of sweet potato cultivars from those designated by FCRI as potentially suitable for cultivating in locations in northern and central Vietnam and conduct field trials in selected locations to evaluate these cultivars according to yield and dry matter content for value-adding purposes; 2) Develop and evaluate processing methods ...

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  • The components of a loosely coupled system are typically designed to operate by generating and responding to asynchronous events. An event notification service is an application-independent in- frastructure that supports the construction of event-based systems, whereby generators of events publish event notifications to the infrastructure and consumers of events subscribe with the infras- tructure to receive relevant notifications. The two primary services that should be provided to com- ponents by the infrastructure are notification selection (i.e.

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  • The first two steps for a formal survey process are defining the survey objectives and determining who will be sampled. The participants are pre-selected and, thus, the response rate and the accuracy are expected to be high. There are 13 total questions included on the survey. For several of the questions, respondents are asked to state whether they agree or disagree with a particular statement; other questions are designed to solicit input with regard to identifying key leadership skills. The following describes the questions asked in the survey and includes an analysis of the data. ...

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  • Tuyển tập các báo cáo nghiên cứu khoa học ngành toán học được đăng trên tạp chí toán học quốc tế đề tài: Yttrium-90-labeled microsphere tracking during liver selective internal radiotherapy by bremsstrahlung pinhole SPECT: feasibility study and evaluation in an abdominal phantom

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  • Operationally, the problem is that, as noted earlier, while value-based management provides a criterion for strategies to be selected and evaluated, it does not say how these strategies can be constructed. Before a strategy can be put forward for SVA, a method for identifying the need for strategic change must exist. Then there must be a process of constructing strategic options that have prospects of creating competitive advantage and enabling the business to generate cash flows that exceed costs including the cost of capital.

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  • The listener receives client connections and evaluates against a set of rules whether to deny or allow access. If it allows access, the listener forwards a request to a gateway process, selecting the one with the fewest connections. The CMGW process, in turn, forwards the request to another Oracle Connection Manager or directly to the database server, relaying data until the connection terminates. If a connection to the server already exists, the gateway multiplexes, or funnels, its connections through the existing connection.

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  • Committee staff grouped questions by subject. During the first part of the session, members asked the Secretary of State for Education questions informed by the tweets. In the second part the min- ister was asked rapid-fire questions, including many direct from the public, with members selecting the tweets from the subject groups or from the full list of questions received. The committee session was posted on YouTube with direct links to specific questions.

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  • To provide regulators, developers and other interested parties with authoritative and researched advice on how best to identify, assess and tackle the problems associated with land contamination. The publications cannot address the specific circumstances of each site, since every site is unique. The Contaminated Land Research Report series deals with information needed to assess risks - procedures for categorising and assessing risks - and evaluation and selection of remedial measures.

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  • This paper describes the application of so-called topic models to selectional preference induction. Three models related to Latent Dirichlet Allocation, a proven method for modelling document-word cooccurrences, are presented and evaluated on datasets of human plausibility judgements. Compared to previously proposed techniques, these models perform very competitively, especially for infrequent predicate-argument combinations where they exceed the quality of Web-scale predictions while using relatively little data. ...

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  • We propose a novel algorithm for sentiment summarization that takes account of informativeness and readability, simultaneously. Our algorithm generates a summary by selecting and ordering sentences taken from multiple review texts according to two scores that represent the informativeness and readability of the sentence order. The informativeness score is defined by the number of sentiment expressions and the readability score is learned from the target corpus. We evaluate our method by summarizing reviews on restaurants. ...

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  • We evaluate the effect of adding parse features to a leading model of preposition usage. Results show a significant improvement in the preposition selection task on native speaker text and a modest increment in precision and recall in an ESL error detection task. Analysis of the parser output indicates that it is robust enough in the face of noisy non-native writing to extract useful information.

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  • Research objectives: Thesis was the first studied methodically systematic assessment of genetic diversity by morphological indicators combined with molecular markers, identification of Vietnamese native Dendroium species based on the ITS sequences. The results of the thesis have significance in the classification, the conservation service, and selection and breed new varieties; these will be contributing to improve Vietnam orchids.

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  • Opinion analysis is an important research topic in recent years. However, there are no common methods to create evaluation corpora. This paper introduces a method for developing opinion corpora involving multiple annotators. The characteristics of the created corpus are discussed, and the methodologies to select more consistent testing collections and their corresponding gold standards are proposed. Under the gold standards, an opinion extraction system is evaluated. The experiment results show some interesting phenomena. ...

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  • Editing this book was a pleasant, but challenging job. I enjoyed reviewing chapters from different domains, bringing up-to-date empirical research studies, excellent literature reviews and controversial issues. This was an instructive experience for me and the authors. We both learned from each other, making different backgrounds a gain-gain situation, by evaluating each chapter critically from different perspectives. We are sure the reader will enjoy the end result: a selection of chapters from different psychology domains....

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  • We are living in a risky world, and it is getting riskier and riskier. As one of my fundamental claims that have been delivered to various audience including scho-lars, practitioners and government officers, first, risk avoidance system in today’s world is becoming so interconnected; second, it is fully supported by a great of risk issues that have been addressed in this edited volume.

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