Bilgisayar Mühendisliği Bölümü Yayın Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/253

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Citation Count: Darvish, Hamid R. "A study of the Information Services on Turkish High Schools", World Conference On Educatıonal Technology Researches-2011, Vol. 28, (2011)
A Study of the Information Services On Turkish High Schools
(Elsevier Science BV, 2011) Darvish, Hamid R.
The World Wide Web went public in 1989. Since then, every organization has come to utilize web-based technologies for their various purposes. Educational institutions have implemented web technology in their contemporary curriculums. The aim of this study is to investigate five private schools in Ankara, Turkey and to unravel the impact of information technology (internet usage, information services) in their programs. The five high schools were: Ari College, TED Ankara College, Tevfik Fikret High School, METU (Middle East Technical University) College and Bilkent High School. We conducted a qualitative research on the selected high schools by observing and collecting data. Research was done from March-May 2009. We found out that internet services in high schools are not utilized to their full capacity. (C) 2011 Published by Elsevier Ltd.
Citation Count: TAŞ, T., GÖRÜR, A.K., (2007). Author Identification for Turkish Texts. Çankaya Üniversitesi Fen-Edebiyat Fakültesi, Journal of Arts and Sciences Sayı: 7, pp.151-161
Author identification for Turkish texts
(Çankaya Üniversitesi, 2007) Taş, Tufan; Görür, Abdül Kadir
The main concern of author identification is to define an appropriate characterization of documents that captures the writing style of authors. The most important approaches to computer-based author identification are exclusively based on lexical measures. In this paper we presented a fully automated approach to the identification of the authorship of unrestricted text by adapting a set of style markers to the analysis of the text. In this study, 35 style markers were applied to each author. By using our method, the author of a text can be identified by using the style markers that characterize a group of authors. The author group consists of 20 different writers. Author features including style markers were derived together with different machine learning algorithms. By using our method we have obtained a success rate of 80% in avarege
Citation Count: ALYEKSYEYENKOV, y., (2010). Calculation of Signal Sources Coordinates In 2D And 3D Space. Çankaya Üniversitesi Fen-Edebiyat Fakültesi, Journal of Arts and Sciences Sayı: 9, pp.7-15
Calculation of signal sources coordinates in 2D and 3D space
(Çankaya Üniversitesi, 2008) Alyeksyeyenkov, Yuriy
Methods of calculations of coordinate of signal sources which are inaccessible and direct measurement of their properties is impossible are analyzed. Cases of 2D – 3D spaces and single – multiple sources of signal are investigated separately. Recommendations and necessary mathematical equations for practical applications are given. Advantage of sources coordinate measurement using signal parameters in frequency domain is shown. Experimental analysis of methods on the base of MATLAB modeling demonstrates full coincidence of theory and practice
Citation Count: ALYEKSYEYENKOV, Y., (2012). Compensation of errors in multi-channel analog-to-digital convertors at signal processing of multidimensional arrays. Çankaya University Journal of Science and Engineering, Volume 9 (2012), No. 1, pp.49–58
Compensation of errors in multi-channel analog-to-digital convertors at signal processing of multidimensional arrays
(Çankaya Üniversitesi, 2012) Alyeksyeyenkov, Yuriy
Çıktı sinyalinin çok boyutlu dizin veya bir çok tek boyutlu dizinler ¸seklinde olduğu, çok kanallı analog sayısal çevirgeç (ADC)’lerde hataların kaynakları ve telafi yöntemleri dikkate alınmıştır. Analog sayısal çevirgeçlerde yaygın olan bir çok kanal için örnekle ve tut devresinde hata kaynağı analiz edilmiştir. Sinyal kaynağı’nın geometrik koordinatları algoritması zaman ve frekans bölgesinde hataların telafi yöntemleri analiz edilmiştir.
Citation Count: Tonta, Yasar; Darvish, Hamid R. " Diffusion of latent semantic analysis as a research tool: A social network analysis approach", Journal Of Informetrics, Vol. 4, No. 2, pp. 166-174, (2010).
Diffusion of Latent Semantic Analysis As A Research Tool: A Social Network Analysis Approach
(Elsevier, 2010) Tonta, Yaşar; Darvish, Hamid R.
Latent semantic analysis (LSA) is a relatively new research tool with a wide range of applications in different fields ranging from discourse analysis to cognitive science, from information retrieval to machine learning and so on. In this paper, we chart the development and diffusion of LSA as a research tool using social network analysis (SNA) approach that reveals the social structure of a discipline in terms of collaboration among scientists. Using Thomson Reuters' Web of Science (WoS), we identified 65 papers with "latent semantic analysis" in their titles and 250 papers in their topics (but not in titles) between 1990 and 2008. We then analyzed those papers using bibliometric and SNA techniques such as co-authorship and cluster analysis. It appears that as the emphasis moves from the research tool (LSA) itself to its applications in different fields, citations to papers with LSA in their titles tend to decrease. The productivity of authors fits Lotka's Law while the network of authors is quite loose. Networks of journals cited in papers with LSA in their titles and topics are well connected. (C) 2009 Elsevier Ltd. All rights reserved.
Citation Count: DARVISH, H.R., (2007). “Is Semantic Web Real or Hype?. Çankaya Üniversitesi Fen-Edebiyat Fakültesi, Journal of Arts and Sciences Sayı:8, pp.17-21
“Is semantic web real or hype?
(Çankaya Üniversitesi, 2007) Darvish, Hamid R.
In this paper, first, I describe semantic web and second, I elaborate on four blocks of semantic web (XML, Resource Description Framework (RDF), RDF Schema, and Ontology) and finally some example of current semantic web tools and application. Semantic web is an extension of HTML (Hyper Text Mark up Language) and XML (Extensible Markup Language). XML and HTML play big part on semantic web implementation. The semantic web has been supported by W3C (www.w3c.org) organization, an international organization body for World Wide Web standardization

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