Graduate School of Informatics, Thesis

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Thesis (735)

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Author
Akkoyun, Emrah (2)
Alkan, Sarper (2)
Alkış, Nurcan (2)
Altınışık, Said (2)
Arpacı, İbrahim (2)

Subject
Computer software (33)
Computer software. (33)
Mobile communication systems. (27)
Computer games. (22)
Software engineering. (22)

Date Issued
1998 - 1999 (3)
2000 - 2009 (206)
2010 - 2019 (495)
2020 - 2021 (31)

Recent Submissions

Optimization and deep learning based multi model abundance estimation and unmixing algorithms for hyperspectral images Özdemir, Okan Bilge; Yardımcı Çetin, Yasemin; Koz, Alper; Department of Information Systems (2021-4-8) Hyperspectral unmixing aims to identify the materials within the pixels of an image and estimate the corresponding abundance values of these materials. This thesis proposes an optimizationbased abundance estima...
Analysis of data flow in iot devices and evaluating security of mud implementation on smart home network Darazam, Milad Kazami; Acartürk, Cengiz; Angın, Pelin; Department of Cybersecurity (2021-4-8) oT usage has shown significant growth in the past decades. A major target for theIoT market is the living spaces which have become smarter by the integration of IoTdevices. However, the network infrastructure have not be...
Prediction of words in Turkish sentences by LSTM-based language modeling Algan, Abdullah Can; Acartürk, Cengiz; Çöltekin, Çağrı; Department of Cognitive Sciences (2021-3-29) Language comprehension is affected by predictions because it is an incremental process. Predictability has been an important aspect of studying language processing and acquisition in cognitive science. In parallel, Natural...
Spherical harmonics based acoustic scene analysis for object-based audio Çöteli, Mert Burkay; Hacıhabiboğlu, Hüseyin; Department of Information Systems (2021-2-19) Object-based audio relies on elemental audio signals from individual sound sources and their associated metadata to be reconstructed at the listener side. While defining audio objects in a production setting is straightfor...
Parallelization of noise subspace-based doa estimation algorithms on cpu and gpu Eray, Hamza; Temizel, Alptekin; Department of Modeling and Simulation (2021-2-11) Direction-of-Arrival (DOA) estimation is known as an active research area, and it is studied under array signal processing. The algorithms in this area are widely used in various applications such as sonar, search-and-resc...
Vehicle detection on small scale data by generative data augmentation Kumdakcı, Hilmi; Temizel, Alptekin; Department of Modeling and Simulation (2021-2-03) Scarcity of training data is one of the prominent problems for deep neural networks,which commonly require high amounts of data to display their potential. Data aug-mentation techniques are frequently applied during the p...
Genome-wide sequence analysis of human splice acceptor regions for motif discovery Karaduman Bahçe, Gülşah; Aydın Son, Yeşim; Department of Medical Informatics (2020-12-23) For eukaryotic cells, alternative splicing of genes is a vital mechanism that drives protein diversity. Splicing signals on the genomic sequence controls the regulatory factors that orchestrate the alternative splicing. 3’...
Which matters more in ‘dual identity online brand communities’: brand vs community commitment Altınışık, Said; Özkan Yıldırım, Sevgi; Department of Information Systems (2020-11-24) Online Brand Community (OBC) has been a relatively novel and attractive phenomenon in marketingand in the academics thereof, due to its business implications. In this study we define a new type of online brand com...
An investigation of interactions with conversational violations: Insights from visual perception and Gricean Maxim violations Çağıltay, Bengisu; Acartürk, Cengiz; Department of Cognitive Sciences (2020-11) Linguistic principles at various levels are crucial in maintaining a reliable and transparent communication for dyadic interactions. However, violating these principles might result in unwieldy and problematic communicatio...
A framework for information quality and coverageassessment for type 2 diabetes websites Ölçer, Didem; Taşkaya Temizel, Tuğba; Department of Information Systems (2020-10-22) Health information seekers often use search engines to access high-quality and up-to-date information. However, finding online high-quality health information is increasingly getting difficult due to the high volume of inf...
Phonological mediation in reading: a theoretical framework Özkan, Ayşegül; Acartürk, Cengiz; Kırkıcı, Bilal; Department of Cognitive Sciences (2020-10-14) A set of perceptual and cognitive processes at various levels, from low-level visual perception to high-level discourse comprehension, underlie reading. Accordingly, research on reading focuses on different aspects of re...
Statistical inference based load balanced routing in software defined networks Kaya, Semih; Koçyiğit, Altan; Department of Information Systems (2020-10-14) Networks have been the main method of transferring data for more than forty years. The traffic volumes and sizes of networks have increased considerably in the last two decades. The traditional methods used in the networ...
The effect of executive control training on emotional distraction during conflict resolution: a pupillometry study Koç Yılmaz, Şeyma; Bozşahin, Hüseyin Cem; Department of Cognitive Sciences (2020-10-9) Task-irrelevant emotion distracts executive processing on the one hand and executive control suppresses emotional processing on the other. This reciprocal cognitionemotion link underlies emotion regulation, which is criti...
Idioms as multi-word expressions in Turkish Güven, Arzu Burcu; Bozşahin, Hüseyin Cem; Department of Cognitive Sciences (2020-10) Idioms constitute several challenges for both Natural Language Processing (NLP) and linguistic analysis. A better understanding of idioms will yield valuable insights about natural language as well as the way it is process...
A mathematical word problem solver for addition and subtraction problems Er, Mustafa Erolcan; Bozşahin, Hüseyin Cem; Department of Cognitive Sciences (2020-9) Mathematical Word Problems are mathematical problems written in natural languages. These problems are crucial for mathematics education. This thesis aims to develop a model to solve addition and subtraction math word probl...
Optimal corrosion prevention in crude oil refineries with surrogate modeling Yandık, Yücelen Bahadır; Koçyiğit, Altan; Department of Information Systems (2020-9) Energy demand in the world is increasing day by day, which makes energy markets extremely competitive. Crude oil refineries have to adapt to this competition like other players in the energy field. Corrosion is a common ...
Development of adaptive serious games for the training of children with specific learning disabilities Yıldırım, Oğuzcan; Sürer, Elif; Department of Modeling and Simulation (2020-9) Recent developments in technology and the video game industry enabled video games to play essential roles, especially in education, health, and military services under the umbrella term serious games (SGs). Recent studies ...
3d indoor scene segmentation using consensus clustering Küçükdemir, Furkan Mevlüt; Sahillioglu , Yusuf; Department of Modeling and Simulation (2020-8) In this study, we propose an indoor scene segmentation method which utilizes consensus clustering. Unlike most of the recently offered methods in literature, our approach does not rely on deep learning techniques. Therefor...
Design of a context aware security model for preventing relay attacks using NFC enabled mobile devices Çavdar, Davut; Betin Can, Aysu; Department of Information Systems (2020) Near Field Communication (NFC) is a promising communication technology used in smart mobile devices. As an effective and flexible communication technology, NFC is frequently used in innovative solutions nowadays such as pa...
Network-based discovery of molecular targeted agent treatments in hepatocellular carcinoma Fayetörbay, Rumeys; Tunçbağ, Nurcan; Department of Bioinformatics (2020) Hepatocellular carcinoma (HCC) is one of the most-deadly cancers and the most common type of primary liver cancer. Multikinase inhibitor Sorafenib is one of FDA approved targeted agents in HCC treatment. PI3K/AKT/mTOR path...

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