Aşkun, Ali Rıza
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Öğr. Gör.
Email Address
askun@cankaya.edu.tr
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Ortak Dersler Bölümü
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Current Staff
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Scholarly Output
3
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2
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0
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0
3 results
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Now showing 1 - 3 of 3
Article Citation - WoS: 0Citation - Scopus: 0Analysis and mathematical computation of some dynamic function for strontium stannate(Taylor & Francis Ltd, 2021) Askun, Ali Riza; Aşkun, Ali Rıza; 56475; Ortak Dersler BölümüThe frequency and full width at half maximum (FWHM) data of the A(g) Raman modes (95.4, 231.4 and 263.2 cm(-1)) in strontium stannate crystal have been analyzed using the Balkanski model and the fitting parameters were determined. Also, the isobaric Gruneisen parameter of A(g) Raman modes studied here was computed below the room temperature. This computation was performed from the unit cell volume and the observed frequency data of this crystal. Finally, values of the activation energy were extracted close to the structural phase transition temperatures of 160 and 265 K using the observed FWHM data of strontium stannate.Conference Object Citation - WoS: 0Citation - Scopus: 0A novel intelligent and fast question answering system for world wide web(int inst informatics & Systemics, 2007) Aşkun, Ali Rıza; Bolat, Saadettin; Demirbulak, Dilara; Askun, Ali Riza; Dernirbulak, Dilara; Hassanpour, Reza; Bolat, Saadettin; 56475; Ortak Dersler Bölümü; İngiliz Dili ve Edebiyatı; Yazılım Mühendisliği; Bilgisayar MühendisliğiThe World Wide Web has expanded to include on-line access to an almost unlimited number of documents. However, this enormous source of information brings with it the problem of searching the documents efficiently and easily. We have developed a Web-based Question Answering System, which primarily focuses on open domain fact-based short answer questions and also some definition questions. The most important characteristics of the system are its capability in understanding questions given in a natural language style and the effective search which avoids transferring a large amount of unnecessary data. Experimental results show the superiority of the proposed method to available similar systems in terms of accuracy.Conference Object Citation - WoS: 0Citation - Scopus: 0A case study: Internet based collaborative and cooperative learning(int inst informatics & Systemics, 2007) Demirbulak, Dilara; Aşkun, Ali Rıza; Demirbulak, Dilara; 56475; Ortak Dersler Bölümü; İngiliz Dili ve EdebiyatıThe Internet has improved the quality and quantity of communication all over the world by providing opportunity to electronically deliver and share knowledge instantly all over the world. As for the impact of this on education the ones relevant for this study are the need to integrate educational technology and collaborative learning into curriculum. This is the third phase of a longitudinal study. It was carried out at an English Language Teacher Training Certificate Program, "Methodology" course at a Higher Education institution. The same course was being given by one instructor to two different groups of learners who had not met each other. Each week a different method was focused on by different groups of learners. Each group presented the principles of the method using the method itself and then discussions were carried out. The presentations were video-taped and discussions were carried out based on key points presented via power-point. The learners in the two courses focusing on the same methodology were asked to interact by means of the internet and their output was evaluated, Based on the results of data gathered it could be said that virtual teams learner outputs were, effective and in some cases were more effective than the face to face teams.