Recent Submissions

  • Cross-document word matching for segmentation and retrieval of Ottoman divans 

    Duygulu, P.; Arifoglu, D.; Kalpakli, M. (Springer London, 2014-10-09)
    Motivated by the need for the automatic indexing and analysis of huge number of documents in Ottoman divan poetry, and for discovering new knowledge to preserve and make alive this heritage, in this study we propose a novel ...
  • Multicore education through simulation 

    Ozturk, O. (IEEE, 2011-07-25)
    A project-oriented course for advanced undergraduate and graduate students is described for simulating multiple processor cores. Simics, a free simulator for academia, was utilized to enable students to explore computer ...
  • HandVR: a hand-gesture-based interface to a video retrieval system 

    Genc, S.; Bastan, M.; Gudukbay, U.; Atalay, V.; Ulusoy, O. (Springer London, 2014-05-01)
    Using one's hands in human-computer interaction increases both the effectiveness of computer usage and the speed of interaction. One way of accomplishing this goal is to utilize computer vision techniques to develop ...
  • Experiences in teaching a graduate course on model-driven software development 

    Tekinerdogan, B. (Taylor & Francis, 2011-12-01)
    Model-driven software development (MDSD) aims to support the development and evolution of software intensive systems using the basic concepts of model, metamodel, and model transformation. In parallel with the ongoing ...
  • A catalog of stream processing optimizations 

    Hirzel, M.; Soute, R.; Schneider, S.; Gedik, B.; Grimm, R. (Association for Computing Machinery, Inc., 2014-04-01)
    Various research communities have independently arrived at stream processing as a programming model for efficient and parallel computing. These communities include digital signal processing, databases, operating systems, ...
  • Bounding the equilibrium distribution of Markov population models 

    Dayar, T.; Hermanns, H.; Spieler, D.; Wolf, V. (John Wiley and Sons, 2011-10-17)
    We propose a bounding technique for the equilibrium probability distribution of continuous-time Markov chains with population structure and infinite state space. We use Lyapunov functions to determine a finite set of ...
  • BilKristal 2.0: A tool for pattern information extraction from crystal structures 

    Okuyan, E.; Gudukbay, U. (Elsevier, 2014-01)
    We present a revised version of the BilKristal tool of Okuyan et al. (2007). We converted the development environment into Microsoft Visual Studio 2005 in order to resolve compatibility issues. We added multi-core CPU ...
  • Three-dimensional media for mobile devices 

    Gotchev, A.; Akar, G. B.; Capin, T.; Strohmeier, D.; Boev, A. (IEEE, 2011-04)
    This paper aims at providing an overview of the core technologies enabling the delivery of 3-D Media to next-generation mobile devices. To succeed in the design of the corresponding system, a profound knowledge about the ...
  • Novelty detection for topic tracking 

    Aksoy, C.; Can, F.; Kocberber, S. (John Wiley and Sons, 2011-12-06)
    Multisource web news portals provide various advantages such as richness in news content and an opportunity to follow developments from different perspectives. However, in such environments, news variety and quantity can ...
  • Deriving feasible deployment alternatives for parallel and distributed simulation systems 

    Celik, T.; Tekinerdogan, B.; Imre, K. (ACM New York, NY, USA, 2013-07-01)
    Parallel and distributed simulations (PADS) realize the distributed execution of a simulation system over multiple physical resources. To realize the execution of PADS, different simulation infrastructures such as HLA, DIS ...
  • MaterialVis: Material visualization tool using direct volume and surface rendering techniques 

    Okuyan, E.; Gudukbay, U.; Bulutay, C.; Heinig, K. H. (Elsevier, 2014-05)
    Visualization of the materials is an indispensable part of their structural analysis. We developed a visualization tool for amorphous as well as crystalline structures, called Material Vis. Unlike the existing tools, ...
  • First turkish software product line engineering workshop summary 

    Tekinerdogan, B. (ACM New York, NY, USA, 2012-11-27)
    Software reuse has been a goal of the software community since the early days of software engineering. In this context software product line engineering (SPLE) has gained a broad interest in both academic institutions and ...
  • Integromic analysis of genetic variation and gene expression identifies networks for cardiovascular disease phenotypes 

    Yao, C.; Chen, B. H.; Joehanes, R.; Otlu, B.; Zhang, X.; Liu, C.; Huan, T.; Tastan, O.; Cupples, L. A.; Levy, D. (Lippincott, Williams & Wilkins, 2014-12-22)
    Background-Cardiovascular disease (CVD) reflects a highly coordinated complex of traits. Although genome-wide association studies have reported numerous single nucleotide polymorphisms (SNPs) to be associated with CVD, the ...
  • Partitioning functions for steteful data parallelism in stream processing 

    Gedik, B. (Springer Berlin Heidelberg, 2013-01-01)
    In this paper we study partitioning functions for stream processing systems that employ stateful data parallelism to improve application throughput. In particular, we develop partitioning functions that are effective ...
  • Lambda-diverse nearest neighbors browsing for multidimensional data 

    Kucuktunc, O.; Ferhatosmanoglu, H. (IEEE, 2013-03)
    Traditional search methods try to obtain the most relevant information and rank it according to the degree of similarity to the queries. Diversity in query results is also preferred by a variety of applications since ...
  • S-IDE: A tool framework for optimizing deployment architecture of High Level Architecture based simulation systems 

    Celik, T.; Tekinerdogan, B. (Elsevier, 2013-10)
    One of the important problems in High Level Architecture (HLA) based distributed simulation systems is the allocation of the different simulation modules to the available physical resources. Usually, the deployment of the ...
  • Analyzing impact of experience curve on ROI in the software product line adoption process 

    Tuzun, E.; Tekinerdogan, B. (Elsevier, 2015-03)
    Context: Experience curve is a well-known concept in management and education science, which explains the phenomenon of increased worker efficiency with repetitive production of a good or service. Objective: We aim to ...
  • Hypergraph partitioning based models and methods for exploiting cache locality in sparse matrix-vector multiplication 

    Akbudak, K.; Kayaaslan, E.; Aykanat, C. (Society for Industrial and Applied Mathematics, 2013-02-27)
    Sparse matrix-vector multiplication (SpMxV) is a kernel operation widely used in iterative linear solvers. The same sparse matrix is multiplied by a dense vector repeatedly in these solvers. Matrices with irregular sparsity ...
  • Query expansion with terms selected using lexical cohesion analysis of documents 

    Vechtomova, O.; Karamuftuoglu, M. (Elsevier, 2007-07)
    We present new methods of query expansion using terms that form lexical cohesive links between the contexts of distinct query terms in documents (i.e., words surrounding the query terms in text). The link-forming terms ...
  • A perceptual approach for stereoscopic rendering optimization 

    Bulbul, A.; Cipiloglu, Z.; Capin, T. (Elsevier, 2010-04)
    The traditional way of stereoscopic rendering requires rendering the scene for left and right eyes separately: which doubles the rendering complexity. In this study, we propose a perceptually-based approach for accelerating ...

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