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Yayın tarihi için Bilgisayar Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Yayın tarihi için Bilgisayar Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Sırala: Sıra: Sonuçlar:

  • Konumsal erişim yöntemleri 
    Sever, Hayri; Gürçay, Haşmet; Ak, Serdar (2007)
    Otomatik konumsal veri toplama araçlarının kullanımının hızlıca artmasına paralel olarak konumsal içeriklerinin hacim olarak genişlemesi, geleneksel yöntemlerin ötesinde konumsal veritabanlarının etkin kullanılabilmesini ...
  • Thermal stability of metallic single-walled carbon nanotubes: an O(N) tight-binding molecular dynamics simulation study 
    Dereli, Gülay; Süngü Mısıroğlu, Banu; Özdoğan, Cem (IOP Publishing ltd, 2007-01-20)
    Order(N) tight-binding molecular dynamics (TBMD) simulations are performed to investigate the thermal stability of ( 10, 10) metallic single-walled carbon nanotubes (SWCNTs). Periodic boundary conditions (PBCs) are applied ...
  • Structure and energetic of Bn (n 2–12) clusters: electronic structure calculations 
    Atış, Murat; Özdoğan, Cem; Güvenç, Ziya B. (Wiley-Blackwell, 2007-03-05)
    The electronic and geometric structures, total and binding energies, first and second energy differences, harmonic frequencies, point symmetries, and highest occupied molecular orbital–lowest unoccupied molecular orbital ...
  • An investigation of hydrogen bonded neutral B4Hn (n=1-11) and anionic B4H11(-1) clusters: Density functional study 
    Böyükata, Mustafa; Özdoğan, Cem; Güvenç, Ziya B. (Elsevier Science, 2007-03-28)
    In this study, detailed analysis of the structural stability of hydrogen bonded four-atom boron clusters within the framework of density functional theory (DFT) is presented. Effects of the number of hydrogen atoms on the ...
  • Author identification for Turkish texts 
    Taş, Tufan; Görür, Abdül Kadir (Çankaya Üniversitesi, 2007-05)
    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 ...
  • QoS-constrained core selection for group communication 
    Karaman, Ayşe; Hassanein, Hossam (Elsevier Science, 2007-05-26)
    The core-based approach in multipoint communication enhances the solution space in terms of QoS-efficiency of solutions in inter-and intra-domain routing. In an earlier work [A. Karaman, H.S. Hassanein, Extended QoS-framework ...
  • “Is semantic web real or hype? 
    Darvish, Hamid R. (Çankaya Üniversitesi, 2007-12)
    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 ...
  • Region based hand gesture recognition 
    Birdal, Ahmet; Hassanpour, Reza (Union Agency Science Press, 2008)
    Evolution of user interfaces shapes the change in the human-computer interaction. With rapid emerge of three-dimensional (3-D) applications, the need for a new type of interaction device arises since traditional devices ...
  • New distinguishers based on random mappings against stream ciphers 
    Turan, Meltem Sönmez; Çalık, Çağdaş; Saran, Nurdan Buz; Doğanaksoy, Ali (Springer-Verlag Berlin, 2008)
    Statistical randomness testing plays an important role in security analysis of cryptosystems. In this study, we aim to propose a new framework of randomness testing based on random mappings. Considering the probability ...
  • A Data Fusion Approach In Protein Homology Detection 
    Polatkan, Aydın Can; Oğul, Hasan; Sever, Hayri (IEEE, 2008)
    The discriminative framework for protein remote homology detection based on support vector machines (SVMs) is reconstructed by the fusion of sequence based features. In this respect, n-peptide compositions are partitioned ...
  • Weighted embedded zero tree for scalable video compression 
    Choupani, Roya; Wong, Stephan; Tolun, Mehmet R. (2008)
    Video streaming over the Internet has gained popularity during recent years mainly due to the revival of videoconferencing and videotelephony applications and the proliferation of (video) content providers. However, the ...
  • Vision-based hand gesture recognition for human computer interaction: A review 
    Hassanpour, Reza; Wong, Stephan; Shahbahrami, Asadollah (2008)
    Evolution of user interfaces shapes the change in the human-computer interaction. With the rapid emergence of threedimensional (3-D) applications; the need for a new type of interaction device arises as traditional devices ...
  • Use of mobile phones in language learning: Developing effective instructional materials 
    Saran, Murat; Çağıltay, Kürşat; Seferoğlu, Gölge (2008)
    With its widespread use and its features and functions such as mobility, reachability, localization, and personalization, mobile phone technology offers a great potential in learning environments. With this consideration, ...
  • About nanometer sized analogues of basic electronic and optical components 
    Quandt, Alexander; Özdoğan, Cem; Ferrari, Maurizio; Speranza, Giorgio (IEEE, 2008)
    We discuss a downsizing of optical components into the nanometer range. It presupposes the substitution of photons by ballistic electrons, but it also requires a simple and robust concept to assemble the analogues of basic ...
  • Digital image watermarking method in multi level DWT 
    Aydın, Sebile; Memiş, Merve; Elbaşı, Ersin (2008)
    Yayın haklarını korumak amacıyla kullanılan damgalama metodunda damga; logo, imge veya yazı şeklinde olabilir. Özellikle ikili (binary) logo şeklindeki damgalarla yapılan damgalama, oldukça çalışılmış ve iyi sonuçlar ...
  • Effects of hydrogen hosting on cage structures of boron clusters: density functional study of B(m)H(n) (m=5-10 and n <= m) complexes 
    Böyükata, Mustafa; Özdoğan, Cem; Güvenç, Ziya B. (IOP Publishing Ltd, 2008-02)
    The structural stability of hydrogen bonded boron microclusters has been studied by using the density functional theory. Effects of the increasing number of hydrogen atoms on the cage geometries of B(5)-B(10) clusters, and ...
  • Surface modification by 1 keV ion impact: molecular dynamics study of an Ar+-Ni(100) collision system 
    Özdoğan, Cem; Atış, Murat; Güvenç, Büşra (IOP Publishing LTD, 2008-04)
    An Ar+-Ni(1 0 0) collision system at 1 keV impact energy was investigated by using realistic isoenergetic molecular dynamics (MD) simulations. The sputtering process upon Ar+ ion impact and damage to the Ni(1 0 0) surface ...
  • Surface modification by 1 keV ion impact: molecular dynamics study of an Ar+-Ni(100) collision system 
    Özdoğan, Cem; Atis, Murat; Güvenç, Ziya B. (2008-04)
    An Ar+-Ni(1 0 0) collision system at 1 keV impact energy was investigated by using realistic isoenergetic molecular dynamics (MD) simulations. The sputtering process upon Ar+ ion impact and damage to the Ni(1 0 0) surface ...
  • Calculation of signal sources coordinates in 2D and 3D space 
    Alyeksyeyenkov, Yuriy (Çankaya Üniversitesi, 2008-05)
    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 ...
  • Functionalizing graphene by embedded boron clusters 
    Quandt, Alexander; Özdoğan, Cem; Kunstmann, Jens; Fehske, Holger (IOP Publishing LTD, 2008-08-20)
    We present a model system that might serve as a blueprint for the controlled layout of graphene based nanodevices. The systems consists of chains of B-7 clusters implanted in a graphene matrix, where the boron clusters are ...