Chat texts produced in an educational environment are categorized and rated for the purpose of positioning (or placement) of the learner with respect to a learning program (appropriate courses, textbooks, etc). The difficulty lies in the fact that the texts are short and informal. A standard LSA/vector-space model is therefore combined with techniques appropriate for short texts. The approach u...

This is a book for those who would like to learn something about special and general relativity beyond the usual textbooks, about quantum field theory, the elegant Fock-Schwinger-Stueckelberg proper time formalism, the elegant description of geometry by means of Clifford algebra, about the fascinating possibilities the latter algebra offers in reformulating the existing physical theories, and q...

curbed the use of ozone-depleting chemicals, were wildly successful because the reduction of the ozone layer led to increased incidence of human cancer. In general, cleaning up the airs and waters of the world was an easy sell because of the connection to human health. But biodiversity and climate change are not so easily linked to human self-interest. Certainly there are connections — but the ...

NUMERICA is a modeling language for stating and solving global optimization problems. It makes it possible to express these problems in a notation close to the way these problems are stated in textbooks or scientific papers. In addition, the constraint-solving algorithm of NUMERICA, which combines techniques from numerical analysis and artificial intelligence, provides many guarantees about cor...

The goals of the subcommittee were to review the current practice and published evidence of medical and surgical treatment options for meibomian gland dysfunction (MGD) and to identify areas with conflicting, or lack of, evidence, observations, concepts, or even mechanisms where further research is required. To achieve these goals, a comprehensive review of clinical textbooks and the scientific...

the present study aimed at investigating the specific discourse cycles of someintroductory textbooks across disciplines and languages to see to what extent theyacculturate students into the new subjects. to this end, 2 well-established and mostlyused english and persian introductory textbooks in sociology and 2 other wellestablishedenglish and persian introductory textbooks in linguistics were ...

This initial study is concerned with the behavior of engineering students in Kuwait University which became a concern due to the global issues of education in all levels. A survey has been conducted to identify academic and societal issues affecting the engineering student performance. The study is drawing major conclusions with regard to private tutoring and the online availability of textbook...

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Education and textbooks have traditionally been standard objects of research in the history of science, technology, and medicine. However, they have often remained marginal in the formulation of large historiographical questions. In the last decades, the work of some historians of science has challenged this state of affairs. STEP has promoted a distinctive focus on education and textbooks, com...