Fen Bilimleri Enstitüsü: Recent submissions

  • Recognition of non-manual signs in sign language 
    Aktaş, Müjde. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Recognition of non-manual components in sign language has been a neglected topic, partly due to the absence of annotated non-manual sign datasets. We have collected a dataset of videos with non-manual signs, displaying ...
  • Sequential Monte Carlo approoach to inference in Bayesian choice models 
    Gündoğdu, İlker. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Monte Carlo methods, such as Markov Chain Monte Carlo (MCMC) and Sequential Monte Carlo (SMC), have extensive use cases in probabilistic modeling and inference. They usually appear as a way of drawing samples from a ...
  • Probabilistic argumentation systems entity-transitive relation-implication model and document ranking as an efficient application 
    Çetin, Burak. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    This work is an endeavor towards analyzing complex networks. Mainly, a linkanalysis ranking (LAR) algorithm will be introduced, and related background will bedeveloped. Firstly, we introduce a graph based model we name ...
  • Developing an ethics module for a service robot 
    Usta, Kadriye Yasemin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    With the improvements of robotics science, robots have gradually began to take their place in social environments. The human-robot interaction (HRI) studies evolved with the increasing number of robots involved in the ...
  • Mention extraction and normalization using ontologies in the biomedical domain 
    Tiftikci, Mert. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This thesis proposes a machine learning- and rule-based system for the identifi cation of adverse drug reaction (ADR) entity mentions in the text of drug labels and their normalization through the MedDRA dictionary. The ...
  • Computation with chained Closed Timelike Curves 
    Çıkla, Mert Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Discussions of Closed Timelike Curves (CTC) led to a few computation models that when used in conjunction with a Turing Machine, yield much more efficient com putations. CTC assisted computation has the ability to send a ...
  • Generating a concept relation network for Turkish based on conceptnet using translational methods 
    Özçelik, Arif Sırrı. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    ConceptNet is a large-scale network of concepts and relationships, based on var ious common sense knowledge bases and built upon more than 700 thousand sentences contributed by approximately 15 thousand authors. It was ...
  • Using reviews on the web to predict box office success with machine learning methods 
    Sivrikaya, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Movie production is a serious undertaking that requires a significant amount of investment. The success of a movie, i.e., positive return on investment, can only be realized with a good performance at the box-office well after ...
  • Video based automatic affect analysis of a child and a therapist during play therapy 
    Türkmen, Batıkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    With recent developments in machine and deep learning techniques and the ad vent of big data, computer vision supports many disciplines, including social sciences. Although computer vision is used in social signal processing ...
  • Authenticated quality of service awere routing in software defined networks 
    Aytaç, Samet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Quality of Service (QoS) aware routing is an ongoing and major problem for traditional networks since they are not able to manage network traffic for an immense variety of users due to their inflexible and static architectures. ...
  • Hybrid translation system from Turkish spoken language to Turkish sign language 
    Kayahan, Dilek. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Sign Language is the primary tool of communication for deaf and mute people. It employs hand gestures, facial expressions, and body movements to state a word or a phrase. Like spoken languages, sign languages also vary ...
  • Simulation based lora base station placement optimization for smart city scenarios 
    Karadeniz, Görkem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    With emerging IoT technologies and vision for smarter environments, the need for low power wide area (LPWA) communications have substantially increased. In the last decade, many LPWA technologies have been developed in ...
  • Stress recognition in everyday life 
    Ekiz, Deniz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In the last decades, most of the diseases in modern society are caused by stress. This is the reason researchers want to detect and alleviate stress in daily life as early as possible. With the advance of technology, ...
  • Computability-theoretic limitations of qualitative simulation 
    Yılmaz, Özgür. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Qualitative reasoning and simulation are useful mathematical tools, especially for theanalysis, design and diagnosis of dynamic systems. Simulators which are seen to beincomplete, that is, which produce spurious predictions ...
  • Molecular communications in vessel-like diffusive channels 
    Turan, Meriç. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Molecular communication via diffusion is based on relaying information over a diffusive channel. The design of this diffusive channel is a vital issue. In this thesis, diffusion in the vessel-like environment, which is composed ...
  • Coordinated multipoint - aware baseband unit placement in cloudran 
    Üzümcüoğlu, Anıl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Cloud Radio Access Network (CloudRAN) is proposed as a candidate architec ture for future mobile networks in order to meet the challenging requirements presented in 5G specifications. The key rationale behind CloudRAN is ...
  • Developing a statistical Turkish sign language translation system for primary school students 
    Buz, Buse. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Nowadays, as the access to information in the field of education increases, new technologies are developing for primary school children. However, deaf and dumb children still have limited access to the information especially ...
  • Training bidirectional generative adverarial networks with hints 
    Mutlu, Uras. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2019.)
    The generative adversarial network (GAN) is a deep learning architecture that learns a generative model by training a later discriminator to best differentiate “fake” examples generated by the generator from the “true” ...
  • Learning word representations with deep neural networks for Turkish 
    Dündar, Enes Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study, we analyze the effect of different word embedding methods in representing Turkish texts, namely word2vec, fastText, and ELMo. Word embeddings are used for representing words in a high dimensional vector space ...
  • Analytical models for the scalability of dynamic group key agreement protocols and secure file sharing systems 
    Çantalı, Gökcan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Dynamic group key agreement protocols are cryptographic primitives to provide secure group communications in decentralized and dynamic networks. Such protocols provide additional operations to update the group key while ...