Abstract This paper applies a new approach to the identification of discourses, based on Multiple Correspondence Analysis (MCA), study discourse variation over time. The MCA keywords deals with major issue use identify discourses: allocation individual multiple discourses. Yet, as this demonstrates, also allows us observe in prevalence discourses texts patterns keyword co-occurrence. Metadata c...

Authors are requested to select key words from the following list. You may use plurals and adjectives for combinations like absolute pupillary response, centrifugal optic nerve, inter blobs, etc. If key words are needed which do not appear in this list, please underline them. For animal classification the Latin nomenclature should be used. p-mechanism A-scan a-wave aberration absolute absorptio...

In this paper we develop definability theory in such a way that we allow to define new elements also, not only new relations on already existing elements. This is in harmony with our everyday mathematical practice, for example we define new entities when we define a geometry over a field. We will see that, in many respects, defining new elements is more harmonious in many-sorted logic than in o...

In the modern world, government policy makers engage in the decision making process to pursue the interests of their countries. Think tanks play a significant role in this complicated process by giving advice to decision makers. Since the beginning of the twentieth century, think tanks increasingly emerged in the world, especially in Western European countries and the United States of America (...