Natural experiment

Xem 1-20 trên 350 kết quả Natural experiment
  • Stories from tribes across the North American continent show both the divergent philsophies, as well as the common ground. The editors have wonderfully resisted any urge to edit these stories. Each chapter opens with an overview provided by Erdoes and Ortiz. There are occasional editorial explanations at the ends of stories. They should expecially be applauded for including stories with humor.

    pdf66p kennybibo 10-07-2012 122 90   Download

  • Ebook The usborne big book of experiments helps children can investigate the world around them and discover science in action. Specially chosen activities include making electricity, bending light and weather watching. Helpful descriptions, clearly written text and explanations show how and why the experiments work. Striking artwork and photographs illustrate all projects with clarity.

    pdf95p thieulam5782 04-10-2015 37 13   Download

  • THE first edition of this essay has been out of print for some time, but apparently some demand for it continues. I have therefore taken advantage of the publisher's decision to reprint to introduce certain alterations and improvements which experience since it was first written seemed to make desirable.

    pdf177p conrepcon 12-04-2012 31 11   Download

  • Tham khảo sách 'the transportation experience 2011', kỹ thuật - công nghệ, tự động hoá phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf470p louisxlll4 26-12-2012 24 6   Download

  • Create your own natural language training corpus for machine learning. Whether you’re working with English, Chinese, or any other natural language, this hands-on book guides you through a proven annotation development cycle—the process of adding metadata to your training corpus to help ML algorithms work more efficiently. You don’t need any programming or linguistics experience to get started.

    pdf97p hoa_can 26-01-2013 21 5   Download

  • The connection between receptivity and intensely motivated activity is further established when we appreciate that an arcane definition of “pas- sion,” from the Latin “pati,” is suffering. Both passion and suffering mean to experience intensely while being acted upon by the world. It is to let something happen to oneself and to bear the weight of its conse- quences. Far from being destructive, passion and suffering are associated with heightened vitality and renewed life. ...

    pdf9p giamdocamnhac 06-04-2013 19 4   Download

  • Tham khảo sách 'robotics experiments vol 121', kỹ thuật - công nghệ, tự động hoá phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf73p ngoctu2396 28-11-2012 14 3   Download

  • There is also considerable scope for a South-South exchange of good prac- tice. Again, when done right, larger-scale farming can provide opportunities for poor countries with large agricultural sectors and ample endowments of land. To make the most of these opportunities, however, countries will need to bet- ter secure local land rights and improve land governance. Adopting an open and proactive approach to dealing with investors is also needed to ensure that investment contributes to broader development objectives.

    pdf53p enterroi 02-02-2013 13 3   Download

  • In this paper, we study the problem of using an annotated corpus in English for the same natural language processing task in another language. While various machine translation systems are available, automated translation is still far from perfect. To minimize the noise introduced by translations, we propose to use only key ‘reliable” parts from the translations and apply structural correspondence learning (SCL) to find a low dimensional representation shared by the two languages.

    pdf5p hongdo_1 12-04-2013 15 3   Download

  • Tham khảo sách 'biodrainage principles experiences and applications', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf87p nt1810 25-04-2013 14 3   Download

  • German case syncretism is often assumed to be the accidental by-product of historical development. This paper contradicts this claim and argues that the evolution of German case is driven by the need to optimize the cognitive effort and memory required for processing and interpretation. This hypothesis is supported by a novel kind of computational experiments that reconstruct and compare attested variations of the German definite article paradigm.

    pdf11p bunthai_1 06-05-2013 22 3   Download

  • We investigate the controversial issue about the upper bound of interjudge agreement in the use of a low-level grammatical representation. Pessimistic views suggest that several percent of words in running text are undecidable in terms of part-of-speech categories. Our experiments with 55kW data give reason for optimism: linguists with only 30 hours' training apply the EngCG-2 morphological tags with almost 100% interjudge agreement.

    pdf5p bunthai_1 06-05-2013 13 3   Download

  • A word of explanation is perhaps necessary as to the form in which these experiences have been put together. The matter was originally collected with the object of sending a series of articles to the British Medical Journal. Various circumstances, however, of which the chief was the feeling that extending experience altered in many cases the views adopted at first sight, prevented the original intention from being carried into execution, and the articles, considerably expanded, are now published together....

    pdf273p hotmoingay8 30-01-2013 22 2   Download

  • To improve the interaction between students and an intelligent tutoring system, we developed two Natural Language generators, that we systematically evaluated in a three way comparison that included the original system as well. We found that the generator which intuitively produces the best language does engender the most learning. Specifically, it appears that functional aggregation is responsible for the improvement.

    pdf8p bunbo_1 17-04-2013 14 2   Download

  • Based on experience with INTELLECT in the areas of quality assurance and customer support, a number of issues in evaluating a natural language database query system, particularly the INTELLECT system, will be discussed. A, I. Corporation offers licenses for customers t o use the INTELLECT software on their computers, to access their databases. We now have a number of customer installations, plus reports from companies that are marketing INTELLECT under agreements with us, so that we can begin to discuss user reactions as possible criteria for evaluating our system. ...

    pdf2p bungio_1 03-05-2013 13 2   Download

  • The choice of verb features is crucial for the learning of verb classes. This paper presents clustering experiments on 168 German verbs, which explore the relevance of features on three levels of verb description, purely syntactic frame types, prepositional phrase information and selectional preferences. In contrast to previous approaches concentrating on the sparse data problem, we present evidence for a linguistically defined limit on the usefulness of features which is driven by the idiosyncratic properties of the verbs and the specific attributes of the desired verb classification. ...

    pdf8p bunthai_1 06-05-2013 13 2   Download

  • We describe a set of experiments using automatically labelled data to train supervised classifiers for multi-class emotion detection in Twitter messages with no manual intervention. By cross-validating between models trained on different labellings for the same six basic emotion classes, and testing on manually labelled data, we conclude that the method is suitable for some emotions (happiness, sadness and anger) but less able to distinguish others; and that different labelling conventions are more suitable for some emotions than others. ...

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  • NEARLY three decades ago, while engaged in the postgraduate study of American history, I began reading a book of nature writing by Joseph Wood Krutch, The Twelve Seasons, and immediately saw what was missing from my seminars. There was no nature in their history—no sense of the presence and influence of the land on past human experience, no soil, no countryside, no smell of fungus, no sound of spring peepers trilling from the marsh at dusk.

    pdf0p camchuong_1 11-12-2012 21 1   Download

  • This tool kit is designed for schools that want to help students recover from traumatic experiences such as natural disasters, exposure to violence, abuse or assault, terrorist incidents, and war and refugee experiences. It focuses on long-term recovery, as opposed to immediate disaster response

    pdf0p trinhosieupham 19-02-2013 12 1   Download

  • This paper describes a novel approach for the automatic generation and evaluation of a trivial dialogue phrases database. A trivial dialogue phrase is defined as an expression used by a chatbot program as the answer of a user input. A transfer-like genetic algorithm (GA) method is used to generating the trivial dialogue phrases for the creation of a natural language generation (NLG) knowledge base. The automatic evaluation of a generated phrase is performed by producing n-grams and retrieving their frequencies from the World Wide Web (WWW).

    pdf4p hongvang_1 16-04-2013 8 1   Download

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