Özcan Özyurt

• Ph.D.
• Karadeniz Technical University

This study aims to explore research interests and trends in the journal by analyzing the entire publication history of the Journal of Library and Information Science (JoLIS) between 1969 and 2023 using Latent Dirichlet Allocation (LDA). A comprehensive topic modeling analysis was conducted on 1437 articles for which titles, abstracts and keywords w...

This book section presents a topic modeling analysis employing the Latent Dirichlet Allocation (LDA) algorithm to examine the content of the Journal of Information Science. The analysis adopts a data-driven approach to comprehend the diverse topics and themes present in the journal's content, providing valuable insights for journal authors, editors...

This study aims to examine the temporal evolution and changes of research interests and trends in the educational augmented reality (AR) literature. To this end, 3718 articles published in the 2003–2022 period and indexed in the Scopus database were analyzed through machine learning-based semantic topic modeling and descriptive analysis. The findin...

This study employs the Latent Dirichlet allocation method, a topic modeling technique, to reveal hidden patterns in Industry 4.0 research. The dataset comprises 8584 articles published in the Scopus database from 2011 to the end of 2022. The analysis categorized the articles into 12 distinct topics. The three most prominent topics identified are “S...

Doğal dil işleme (DDİ), insan bilgisayar etkileşiminde geniş bir uygulama alanına sahiptir. Kullanıcıların arama memnuniyetini artırmak amacıyla birçok bilgi erişim yöntemleri geliştirilmiştir. Bu sebeple sesli komut ile veri tabanına erişim çalışması insanların alıştıkları soru ortamını hazırlamaya yönelik olmuştur. Bu çalışma kapsamında, sesli ko...

This study aims to reveal the competence areas and skill sets needed in the business world in the field of cyber security (CS). For this purpose, descriptive analysis, topic modeling analysis, and semantic content analysis were conducted on 9407 CS job advertisements obtained from Indeed.com. The results of the study revealed a total of 10 job titl...

Yazılım hizmeti sağlayıcıları, değişen ve gelişen teknoloji araçlarını takip etmekten ve geliştirici envanterlerini güncel tutmaktan sorumludur. Kuruluşlar genellikle kendi bünyelerinde değişen teknolojilere hızla adapte olabilmek için ekiplerini genişletmeyi ya da proje sürelerini uzatmayı tercih etmektedir. Fiziksel makinelerle başlayan yazılım s...

The main source of technology in today's world is science. The world of science is being reshaped every day with the continuation of studies in the fields of science and technology. However, the development of technology causes the amount of data that cannot be processed with traditional methods on technological platforms to increase day by day. Ma...

This study aims to reveal the dominant research interests and models in serious games research using topic modeling analysis. The dataset of this study covers a comprehensive collection of 2676 articles from the past to the end of 2022, indexed in the Scopus database. The study begins by presenting descriptive attributes of the articles, including...

Günümüz teknolojisinde internet kullanımının artması ile birlikte "Büyük Veri" kavramının ortaya çıkması kaçınılmaz olmuştur. 23 milyondan fazla soru ve 35 milyona yakın cevap barındırarak büyük veriye katkı sağlayan StackOverflow'da paylaşılan bilgilerin analizi güncel konu ve eğilimlerin belirlenmesi konusunda önemli çıkarımlar sunabilmektedir. S...

Educational data mining (EDM) enables improving educational systems by using data mining techniques on educational data to analyze students’ learning processes to extract valuable information that helps optimize teaching strategies and improve student achievement. EDM has been an important area of research and application in recent years. The aim o...

Gamification holds significant importance as an efficacious means to motivate individuals, stimulate their engagement, and foster desired behaviors. There is an increasing interest among researchers in exploring the domain of gamification. Consequently, it becomes crucial to identify specific research trends within this field. This study employs a...

The aim of the study is to examine Problem Based Learning (PBL) studies in terms of descriptive and semantic content analysis by using topic modeling. For this purpose, descriptive and topic modeling analyzes were used together in the research. In order to include the highest number of articles on Scopus, the term "problem based learning" was searc...

The aim of this study is to identify the main research interests and trends in the literature related to the integration of virtual reality into educational and training environments and to provide a potential guideline for future applications of virtual reality. For this purpose, a topic modeling analysis was conducted with a total of 16413 journa...

Electronic learning has begun to attract the attention with Covid-19 pandemic. In this regard, it will be timely and critical to conduct a bibliometric analysis to identify developments in e-learning adoption research and to guide future research. In this study, a total of 1251 studies about the adoption of e-learning conducted in the last eleven y...

This study presents topic modeling based bibliometric characteristics of the articles related to the flipped classroom. The corpus of the study consists of 2959 articles published in the Scopus database as of the end of 2021. In addition to the bibliometric characteristics of the field, research interests and trends were also revealed with the stud...

This study aims to investigate up-to-date career opportunities and in-demand competence areas and skill sets for cloud computing (CC), which plays a crucial role in the rapidly developing teleworking environments with the COVID-19 pandemic. In this paper, we conducted a semantic content analysis on 10,161 CC job postings using semi-automated text-m...

Computational thinking (CT) has started to attract attention as an important research topic in recent years. It is important to describe the CT field in detail and to determine the research interests and trends of studies in this field. In this most comprehensive and first topic modeling based study in the field of CT, it was aimed to determine the...

Education and Information Technologies (EAIT) has been a leading journal in education & educational research since 1996. To celebrate its 25th anniversary and provide a comprehensive overview of the field, a topic modeling-based bibliometric analysis was conducted on the articles published in this journal. The study is constructed upon two methods,...

Sosyal medya ortamları insanların duygu ve düşüncelerini ifade ettikleri popüler platformlar haline gelmiştir. Twitter bu platformların başında gelmektedir. Twitter günümüzde önemli bir veri kaynağına dönüşmüş ve farklı alanlarda duygu analizi çalışmalarında rol oynamıştır. Bu çalışmada covid-19 sürecinde uzaktan eğitime ilişkin atılan tweetler üze...

The use of cloud computing has become widespread with the rapid development of technology. In this context, it is important to make a bibliometric analysis to identify developments in cloud computing research and to guide future research. For bibliometric analysis of cloud computing research, this study examines 48692 studies scanned in the Web of...

Today, earth sciences engineering education programs face with serious problems. It is often not possible to provide experience on different geographical environments or materials. Considering these problems of earth science related engineering education programs, virtual reality environment potentially can provide technology enhanced training alte...

E-learning studies are becoming very important today as they provide alternatives and support to all types of teaching and learning programs. The effect of the COVID-19 pandemic on educational systems has further increased the significance of e-learning. Accordingly, gaining a full understanding of the general topics and trends in e-learning studie...

Son yıllarda e-öğrenme konusunda, farklı alanlarda birçok çalışma gerçekleştirilmiştir. E-öğrenme alanında yapılan çalışmaların bütünleşik olarak geniş bir perspektif ile incelenmesi ve alanın genel bir resminin görülmesi son derece zordur. Bu çalışmada, e-öğrenme alanında son on yılda gerçekleştirilmiş olan tüm çalışmalar taranarak 27.735 dergi ma...

This study aims to carry out final projects that were designed and coded within the scope of Software Engineering Final Project course in accordance with design-based research and observe the process hereof. Students developed their final projects pursuant to design-based research within the framework of a study that lasted for 8 weeks in total in...

Günümüz teknolojisinin en önemli bileşenlerinden biri olan yazılım teknolojisi her geçen gün gelişmekte ve çeşitlenmektedir. Yazılım teknolojilerindeki bu çeşitleme ve değişikliğe rağmen, işin temelinde yatan programlama kavramı aslında büyük ölçüde aynı kalmaktadır. Son yıllarda yazılım teknolojileri alanında üretken ve yaratıcı bireylerin yetişti...

Özel öğrenme güçlüğü ülkemizde özel eğitim alanında en hızlı gelişen kategorilerden birisidir. Akıcı okuma ve okuduğunu anlama gibi beceriler başta olmak üzere özel öğrenme güçlüğü olan öğrencilerin en sık güçlük yaşadıkları alaların başında okuma gelmektedir. Özel öğrenme güçlüğü olan öğrencilerin okuma becerilerini geliştirmede son yıllarda pek ç...

This study analyzes the effects of the use of adapted flipped classroom approach on the programming success, attitudes, and self‐efficacy of the students in learning programming. The study was conducted in the 2016–2017 fall semester with freshman students in Introduction to Programming and Algorithm course in the Software Engineering Department of...

This study aims to detect the students’ views about enriching programming and algorithm teaching with flipped classroom approach. The study was conducted with freshman students in Karadeniz Technical University, Faculty of Technology; Software Engineering Department in fall semester of 2015-2016 academic year. Qualitative research method was used i...

The purpose of this study is to evaluate the effect of using Facebook on enriching the learning experiences of students in programming learning. In another word, the aim of the study is to detect the reflections from the environment of programming learning where Facebook is used. The study was carried out within the scope of the Introduction to Pro...

The studies on creating learning environments based on differences in learning styles have gained importance in recent years. Learning styles are one of the most important parameters in determining individual differences. Accordingly, traditional web-based learning environments have been replaced by individualized adaptive e-learning environments o...

This study aims to analyze the attitudes of students studying computer programming through the distance education regarding programming, and their self-efficacy for programming and the relation between these two factors. The study is conducted with 104 students being thought with distance education in a university in the north region of Turkey in s...

Problem Statement: Learning-teaching activities bring along the need to determine whether they achieve their goals. Thus, multiple choice tests addressing the same set of questions to all are frequently used. However, this traditional assessment and evaluation form contrasts with modern education, where individual learning characteristics are featu...

Purpose of this study is to produce a qualitative evaluation of reflections from the learning environment created by UZWEBMAT (Adaptive Intelligent WEB based MAThematics Instruction) which was developed to teach/learn sub-topics of probability unit. The study was a case study. It was conducted during 2010-2011 academic term in Trabzon, Turkey. The...

This study aimed at determining the effects of UZWEBMAT (Turkish abbreviation of Adaptive and INtelligent WEB based MAThematics teaching–learning system) on the probability unit academic achievement of students and the underlying reasons for these effects. The study was conducted in an Anatolian High School located in a district of Trabzon province...

In this study, the probability unit ability levels of the eleventh grade Turkish students were classified through cluster analysis. The study was carried out in a high school located in Trabzon, Turkey during the fall semester of the 2011-2012 academic years. A total of 84 eleventh grade students participated. Students were taught about permutation...

In this study, an innovative adaptive and intelligent web based e-learning system, UZWEBMAT (Turkish abbreviation of Adaptive and INtelligent WEB based MAThematics teaching–learning system) was designed, developed and implemented. This e-learning system was intended for learning and teaching secondary school level permutation-combination-binomial e...

The purpose of this study is to design an adaptive and intelligent individualized e-learning environment based on learning style and expert system named UZWEBMAT and to evaluate its effects on students’ learning of the unit of probability. In the study, initially, learning objects were prepared in three different ways in relation to Visual–Auditory...

This study focuses on design and architecture of adaptive assessment module integrated into UZWEBMAT. Main purpose of adaptive assessment is better evaluation of ability levels and learning processes of students. As a matter of fact, adaptive assessment enables to perceive competences of students more efficiently and correctly. A final question ban...

In this study, architecture and development process of UZWEBMAT, an adaptive and individualized environment based on learning styles and supported with expert system, are presented. UZWEBMAT was developed to teach probability unit of 11th grade mathematics course. Three different contents, which are appropriate to Visual-AuditoryKinesthetic (VAK) l...

The purpose of this study is to design a personalized adaptive and intelligent web based tutoring system based on learning style and expert system named UZWEBMAT and to evaluate its effects on 10th grade students’ learning of the unit of probability. In the study, initially, learning objects were prepared in three different ways in relation to thre...

Widespread use of information and communication tools has brought significant changes to the field of education as well as all fields. In recent times, learning activities have gone beyond the conventional classroom environments and started to be conducted online frequently. In this respect, computer communication tools known as computer-mediated c...

Assessment is one of the methods used for evaluation of the learning outputs. Nowadays, use of adaptive assessment systems estimating ability level and abilities of the students is becoming widespread instead of traditional assessment systems. Adaptive assessment system evaluates students not only according to their marks that they take in test exa...

Recently, Asynchronous Discussion Forums (ADFs) have become a part of the daily life. These environments, apart from different purposes of usages, currently appear as environments where learning activities are conducted. This study was conducted in order to reveal the effect and role of ADFs on learning programming languages by candidates of comput...

Recently, learning activities have gone beyond conventional environments and started to be performed via computer supported instruments. One of these instruments is asynchronous discussion forums (ADFs) used as computer-supported collaborative learning means. Learners practice various learning activities in ADFs and produce knowledge construction....

Mostly, the conversations taking place in chat mediums bear important information concerning the speakers. This information can vary in many fields such as tendencies, habits, attitudes, guilt situations, and intentions of the speakers. Therefore, analysis and processing of these conversations are of much importance. Many social and semantic infere...

Mining textual data in chat mediums is becoming more important because these mediums contain a vast amount of information, which is potentially relevant to a society’s current interests, habits, social behaviors, crime tendency and other tendencies. Here, sex identification is taken as a base study in information mining in chat mediums. In order to...

Chat mediums are becoming an important part of human life in societies and provide quite useful information about people such as their current interests, habits, social behaviors and tendencies. In this study, we have presented an identification system to identify the sex of a person in a Turkish chat medium. Here, the sex identification is taken a...

Internet and chat mediums provide important and quite useful information about human life in different societies such as their current interests, habits, social behaviors and criminal tendency. In this study, we have presented an intelligent identification system that is designed to identify the sex of a person in a Turkish chat medium. To do this...

NLP (Natural Language Processing) is one of the most important research and application area in artificial intelligence. Hence, human – machine interaction is one of the important application areas in NLP. The basic tool of human – machine interaction is the language, therefore it is very clear that how important is the ability of understanding and...

The spelling errors are one of the most important problem in text editor programs and also in natural language processing studies. This paper presents an automatic spelling checking and correcting method for Turkish texts. The proposed method can correct many kinds of spelling errors. The frequencies of spelling errors are obtained by a statistical...

Summary This paper presents a scalable multiprocessor architecture with multiple access memories and multi-way busses. This parallel architecture with more intelligent memory model and efficient multi-way interconnection network organization is called as CRrCW (Concurrent Read and restricted Concurrent Write) scaleable multiprocessor system. The me...