نتایج جستجو برای: conceptual analysis
تعداد نتایج: 2893522 فیلتر نتایج به سال:
the goal of this study was to investigate the effect of using computer conceptual maps, compared with usual way of drawing them by pencil and paper, in increasing learning, recalling and educational progress motivation in geology course among high school students. the study was conducted in semi experimental method in which students of 3 classes were classified in 3 groups. (group 1: common ...
the main purpose of this research is to investigate the role of knowledge management in the holographic organizations. in order to achieve this purpose, after reviewing research background and theoretical foundations, the research’s conceptual framework has been presented. the statistical population includes ilam medical sciences academic members. the method used is applied in terms of objectiv...
based on a meta-theoretical analysis of voting, the present paper is an attempt to present a theoretical model encompassing all the possible aspects of voting in an election action system, proposing four sub-systems of voting as follows: economic voting, political voting, cultural voting and moral voting. having distinguished among these sub-systems, the writer describes the constitutive elemen...
Text mining is defined as knowledge discovery in large text collections. It detects interesting patterns such as clusters, associations, deviations, similarities, and differences in sets of texts. Current text mining methods use simplistic representations of text contents, such as keyword vectors, which imply serious limitations on the kind and meaningfulness of possible discoveries. We show ho...
Looming establishment of competitive environment on the globe imposes serious competitive challenges on domestic industries in a way that it affects their business trends or even their survival. Seemingly, starting and choosing niche markets can be effective solution to retain and grow the market share, and consequently gain success in competitive environments. Meanwhile, due to high compe...
Conceptual analysis of health and disease is portrayed as consisting in the confrontation of a set of criteria--a "definition"--with a set of cases, called instances of either "health" or "disease." Apart from logical counter-arguments, there is no other way to refute an opponent's definition than by providing counter-cases. As resorting to intensional stipulation (stipulation of meaning) is no...
Although tools exist to aid practitioners in the construction of directed graphs typified by Conceptual Graphs (CGs), it is still quite possible for them to draw the wrong model, mistakenly or otherwise. In larger or more complex CGs it is furthermore often difficult–without close inspection–to see clearly the key features of the model. This paper thereby presents a formal method, based on the ...
It is shown how Conceptual Graphs and Formal Concept Analysis may be combined to obtain a formalization of Elementary Logic which is useful for knowledge representation and processing. For this, a translation of conceptual graphs to formal contexts and concept lattices is described through an example. Using a suitable mathematization of conceptual graphs, basics of a uniied mathematical theory ...
We take advantage of the biggest cosmological simulation to date for a critical CDM universe in order to test robustness of the cluster mass function on a range of masses much wider than tested before. On the high mass end our results show an excess of hot clusters and a milder evolution compared to the analytical predictions based on the Press & Schechter formula. These features must be proper...
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