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Institut
- Fachbereich 4 (23) (entfernen)
In dieser Arbeit werden vier der derzeit verfügbaren webbasierten Visualisierungstools evaluiert (FlexViz, Jambalaya applet, Experimental jOWL TouchGraph, Plone ontology).
Im Rahmen dieser Arbeit werden weiterhin folgende Fragen erforscht: 1. Welche Anforderungen an die Visualisierung von Ontologien können definiert werden? 2. Wie kann eine Bewertung und Analyse durchgeführt werden? 3. Wie kann eine ausgewählte Methode getestet werden? Basierend auf den Ergebnissen dieser Fragestellungen stellte sich die Visualisierungsmethode FlexViz im gegebenen Szenario als beste heraus. FlexViz wurde eingesetzt, indem es in das Content Management System Plone integriert wurde. Es wurde mit VCD Ontologien getestet und schließlich aus der Sicht verschiedener Interessengruppen analysiert. Es zeigte sich, dass FlexViz ein gutes Tool zum Visualisieren, Verstehen und Analysieren von bereits entwickelten Ontologien ist, da die Benutzeroberfläche benutzerfreundlich und interaktiv ist. Jedoch zeigt FlexViz deutliche Schwächen bzgl. dem Bearbeiten, Erweitern und Entwickeln von Ontologien.
As Enterprise 2.0 (E2.0) initiatives are gradually moving out of the early experimentation phase it is time to focus greater attention on examining the structures, processes and operations surrounding E2.0 projects. In this paper we present the findings of an empirical study to investigate and understand the reasons for initiating E2.0 projects and the benefits being derived from them. Our study comprises seven in-depth case studies of E2.0 implementations. We develop a classification and means of visualising the scope of E2.0 initiatives and use these methods to analyse and compare projects.
Our findings indicate a wide range of motivations and combinations of technology in use and show a strong emphasis towards the content management functionality of E2.0 technologies.
The estimation of various social objects is necessary in different fields of social life, science, education, etc. This estimation is usually used for forecasting, for evaluating of different properties and for other goals in complex man-machine systems. At present this estimation is possible by means of computer and mathematical simulation methods which is connected with significant difficulties, such as: - time-distributed process of receiving information about the object; - determination of a corresponding mathematical device and structure identification of the mathematical model; - approximation of the mathematical model to real data, generalization and parametric identification of the mathematical model; - identification of the structure of the links of the real social object. The solution of these problems is impossible without a special intellectual information system which combines different processes and allows predicting the behaviour of such an object. However, most existing information systems lead to the solution of only one special problem. From this point of view the development of a more general technology of designing such systems is very important. The technology of intellectual information system development for estimation and forecasting the professional ability of respondents in the sphere of education can be a concrete example of such a technology. Job orientation is necessary and topical in present economic conditions. It helps tornsolve the problem of expediency of investments to a certain sphere of education. Scientifically validated combined diagnostic methods of job orientation are necessary to carry out professional selection in higher education establishments. The requirements of a modern society are growing, with the earlier developed techniques being unable to correspond to them sufficiently. All these techniques lack an opportunity to account all necessary professional and personal characteristics. Therefore, it is necessary to use a system of various tests. Thus, the development of new methods of job orientation for entrants is necessary. The information model of the process of job orientation is necessary for this purpose. Therefore, it would be desirable to have an information system capable of giving recommendations concerning the choice of a trade on the basis of complex personal characteristics of entrants.