Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7148

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Now showing 1 - 10 of 16
  • Editorial
    Message From Tain Symposium Organizing Committee
    (Institute of Electrical and Electronics Engineers Inc., 2015) Tuğlular, Tuğkan; Cai, Y.; Dustdar, S.; Yamazaki, K.
    It is a pleasure to welcome you to COMPSAC 2015 Symposium on Technologies and Applications of the Internet (TAIN). This year, first time in its history, COMPSAC is organized as a series of symposiums under the main theme of “Mobile and Cloud Systems – Challenges and Applications”. TAIN Symposium providing a forum to share latest innovations on Internet technologies and applications perfectly matches with the main theme. Topics of interest for TAIN include all types of networks with their architectures and applications as well as their management, performance, and security. Moreover, TAIN Symposium addresses Internet of things (IoT), machine-to-machine (M2M) and peer-to-peer (P2P) communications, content distribution networks (CDN) and also emerging network technologies such as software defined networks (SDN). A vast array of challenges for Internet technologies and applications and proposals for solutions will be discussed in TAIN Symposium.
  • Editorial
    Message From the Nciw Program Co-Chairs
    (Institute of Electrical and Electronics Engineers Inc., 2017) Tuğlular, Tuğkan; Yamazaki, Katsuyuki
    It is our pleasure to welcome you to COMPSAC 2017 Symposium on Networks, Communications, Internet & Web Technologies (NCIW). Our Symposium provides a forum to share latest innovations on all types of networks with their architectures and applications as well as their management, performance, and security. Moreover, NCIW addresses Internet of things (IoT), machine-to-machine (M2M) and peer-to-peer (P2P) communications, content distribution networks (CDN), and emerging network technologies such as software defined networks (SDN). A vast array of challenges for network technologies and applications and proposals for solutions will be discussed in the symposium.
  • Conference Object
    Citation - WoS: 1
    Citation - Scopus: 5
    Automation Architecture for Bayesian Network Based Test Case Prioritization and Execution
    (Institute of Electrical and Electronics Engineers Inc., 2016) Ufuktepe, Ekincan; Tuğlular, Tuğkan
    An automation architecture for Bayesian Network based test case prioritization is designed for software written in Java programming language following the approach proposed by Mirarab and Tahvildari [2]. The architecture is implemented as an integration of a series of tools and called Bayesian Network based test case prioritization and execution platform. The platform is triggered by a change in the source code, then it collects necessary information to be supplied to Bayesian Network and uses Bayesian Network evaluation results to run high priority unit tests.
  • Editorial
    Compsac 2016 Symposium on Technologies and Applications of the Internet (tain): Message From the Program Co-Chairs
    (Institute of Electrical and Electronics Engineers Inc., 2016) Tuğlular, Tuğkan; Cai, Ying; Dustdar, Schahram; Yamazaki, Katsuyuki
    It is our pleasure to welcome you to COMPSAC 2016 Symposium on Technologies and Applications of the Internet (TAIN). Our Symposium provides a forum to share latest innovations on Internet technologies and applications, which perfectly matches with the main theme of COMPSAC this year. Topics of interest for TAIN include all types of networks with their architectures and applications as well as their management, performance, and security. Moreover, TAIN addresses Internet of things (IoT), machine-tomachine (M2M) and peer-to-peer (P2P) communications, content distribution networks (CDN) and also emerging network technologies such as software defined networks (SDN). A vast array of challenges for Internet technologies and applications and proposals for solutions will be discussed in TAIN Symposium.
  • Conference Object
    Citation - WoS: 1
    Citation - Scopus: 2
    Fisher's Linear Discriminant Analysis Based Prediction Using Transient Features of Seismic Events in Coal Mines
    (Institute of Electrical and Electronics Engineers Inc., 2016) Köktürk Güzel, Başak Esin; Karaçalı, Bilge
    Identification of seismic activity levels in coal mines is important to avoid accidents such as rockburst. Creating an early warning system that can save lives requires an automated way of predicting. This study proposes a prediction algorithm for the AAIA'16 Data Mining Challenge: Predicting Dangerous Seismic Events in Active Coal Mines that is based on transient activity features along with average indicators evaluated by a Fisher's linear discriminant analysis. Performance evaluation experiments on the training datasets revealed an accuracy level of around 0.9438 while the performance on the test dataset was at a level of 0.9297. These results suggest that the proposed approach achieves high accuracy in predicting danger seismic events while maintaining low complexity.
  • Conference Object
    Citation - Scopus: 5
    Performance Comparison of Combined Collaborative Filtering Algorithms for Recommender Systems
    (Institute of Electrical and Electronics Engineers Inc., 2012) Tapucu, Dilek; Kasap, Seda; Tekbacak, Fatih
    Recommender systems have a goal to make personalized recommendations by using filtering algorithms. Collaborative filtering (CF) is one of the most popular techniques for recommender systems. As usual, huge number of the datasets on the Internet increase the amount of time to work on data. This challenge enforces people to improve better algorithms for processing data with user preferences and recommending the most appropriate item to the users. In this paper, we analyze CF algorithms and present results for combined user-based/item-based CF algorithms for different size of datasets. Our goal is to show combined solution results using Loglikelihood, Spearman, Tanimoto and Pearson algorithms. The contribution is to describe which user based CF algorithms and user/item based combined CF algorithms perform better according to dataset, sparsity, execution time and k-neighborhood values. © 2012 IEEE.
  • Conference Object
    Citation - Scopus: 4
    Effects of Surface Functional Groups on the Aggregation Stability of Magnetite Nanoparticles in Biological Media Containing Serum
    (Institute of Electrical and Electronics Engineers Inc., 2011) Wiogo, Hilda T. R.; Lim, May; Bulmuş, Volga; Amal, Rose
    Size stability of magnetite nanoparticles (MNP) with different surface functional groups in biological media was achieved by the addition of fetal bovine serum (FBS). The stability of the particles was attributed to the formation of protein coronas around the particles, which provides sufficient steric hindrance to prevent aggregation of the particles. The stability of different modified MNP were also studied in biological media containing bovine serum albumin (BSA) to further understand the stabilization mechanism. BSA was found to stabilize polyethyleneimine (PEI) modified MNP and polymethacrylic acid (PMAA) coated MNP, but not the bare MNP. These results indicate a difference in interactions between serum protein and the MNP that is govern by the type of functional groups on the MNP surface, with positively charged surface groups resulting higher protein adsorption and better stability. © 2011 IEEE.
  • Conference Object
    Citation - Scopus: 9
    Adaptive Rtp Rate Control Method
    (Institute of Electrical and Electronics Engineers Inc., 2011) Tos, Uras; Ayav, Tolga
    In this paper, we present an adaptive method for maximizing network bandwidth utilization for the real-time applications. RTP protocol is chosen as the transport protocol and the network utilization is provided by increasing and decreasing the transmission rate of the RTP traffic. Our method employs a PID controller that keeps the RTP packet loss fraction at a predefined reference point. Packet loss fraction parameter is gathered from the RTCP receiver reports and fed into the PID controller that controls the transmission rate of the RTP traffic. Simulations are performed to demonstrate the effectiveness of the method under a bottleneck network configuration with background UDP traffic competing against the RTP traffic for the available bandwidth.
  • Conference Object
    Model Based Testing of Vhdl Programs
    (Institute of Electrical and Electronics Engineers Inc., 2015) Ayav, Tolga; Tuğlular, Tuğkan; Belli, Fevzi
    VHDL programs are often validated by means of test benches constructed from formal system specification. To include real-time properties of VHDL programs, the proposed approach first transforms them to concurrently running network of timed automata and then performs model checking on properties taken from the specification. Counterexamples generated by the model checker are used to form a test bench. The approach is validated by a case study composed of a nontrivial application running on a microprocessor. As presented, the approach enables testing both hardware and software at once.
  • Conference Object
    Citation - Scopus: 2
    Feedback Control Based Test Case Instantiation for Firewall Testing
    (Institute of Electrical and Electronics Engineers Inc., 2010) Tuğlular, Tuğkan; Gerçek, Gürcan
    A firewall's proper functioning is critical to the network it protects. Thus, a firewall should be tested with respect to its intended security policy. We propose a feedback control based approach for test case generation to detect mismatches between firewall's expected and executed behavior. In the proposed approach, abstract test cases are generated from firewall decision diagrams and instantiated with the test input values chosen using the proposed feedback control based selection algorithm. A case study is presented to validate the presented approach.