Fen Bilimleri Enstitüsü

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Citation Count: BAL, M. (2004). 3D graphics engine design. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
3D graphics engine design
(2004-08) Bal, Muammer; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
This thesis presents a 3D Graphics Engine design which includes geometrical methods, graphics pipeline, collision detection, animation of characters, geometric level of detail, terrain, and special effect parts. The quality and also the speed of the designed 3D Graphic Engine is very important. Because of this all methods that are used in designed 3D Graphic Engine are selected as to reach high quality and speed. Application of the designed 3D Graphic Engine shows that the Engine supports high quality and speed
Citation Count: Sharif, Salem (2003). A Comparative socio-cultural and environmental study on traditional interior courtyard houses of Tripoli and Antakya / Tripoli ve Antakya kentlerindeki iç avlulu geleneksel evlerin arasında sosyo-kültürel ve çevresel faktörleri karşılaştırmalı araştırma. Yayımlanmış yüksek lisans tezi. Ankara: Çankaya Üniversitesi, Fen Bilimleri Enstitüsü.
A Comparative socio-cultural and environmental study on traditional interior courtyard houses of Tripoli and Antakya
(2003) Sharif, Salem; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, İç Mimarlık Bölümü
his research focuses on traditional interior courtyard houses as one of the fundamental topologies of housing. It is an attempt to investigate the socio-cultural and environmental factors that are assumed to have an important role in shaping and configuring the interior courtyard house. The interior courtyard house has been investigated in detail within this socio-cultural framework starting from the theoretical literature and field studies. Consequently case-studies in both Tripoli (Libya) and Antakya (Turkey) are selected to examine the several concluded principles that have been driven from the theoretical reviews and applied in fieldwork. Comparing the results of both studies in interior courtyards in Tripoli and Antakya exposes differences in interior courtyard configurations due to socio-cultural context as well as environmental aspects. Interior courtyards are integral parts in creating house identity and core construction for spatial relations among other spaces of the dwelling units. While this study reveals several interesting results about effects of socio-cultural and environmental factors in the interior courtyards, it primarily discusses different methods for analyzing the interior courtyard from different perspectives. The literature review exposes several aspects concerning the interior courtyard configurations in the houses. While most researchers focus only on one specific functional or climatic topic, this thesis includes important elements from both socio- mcultural and environmental aspects; as one of the ultimate goals of this study is to produce individual identities through creative design principles for interior courtyard houses for the designers.
Citation Count: Sharif, Salem (2003). A Comparative socio-cultural and environmental study on traditional interior courtyard houses of Tripoli and Antakya / Tripoli ve Antakya kentlerindeki iç avlulu geleneksel evlerin arasında sosyo-kültürel ve çevresel faktörleri karşılaştırmalı araştırma. Yayımlanmış yüksek lisans tezi. Ankara: Çankaya Üniversitesi, Fen Bilimleri Enstitüsü.
A Comparative socio-cultural and environmental study on traditional interior courtyard houses of Tripoli and Antakya
(2003) Sharif, Salem; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, İç Mimarlık Bölümü
Bu araştırma konutların temel değişmez özelliklerinden (topolojilerinden) biri olarak, geleneksel iç avlulu evler üzerinde durmaktadır. Bu çalışma, iç avlulu evlerin şekillendirilmesinde ve guruplaştınlmasmda sosyo-kültürel ve çevresel faktörleri araştırmanın önemli bir rolü olduğunu gösterme çabasıdır. İç avlulu evler sosyo kültürel çerçevede, kuramsal kaynaklar ile alan çalışmalarından başlayarak ayrıntıları ile incelenmiştir. Daha sonra da Libya Tripoli ile Türkiye Antakya'da örnek durum çalışmaları, kuramsal gözlemleri ve saha çalışmalarındaki uygulamalardan çıkan sonuç ilkeleri incelemek üzere seçilmişlerdir. Tripoli ile Antakya' daki iç avlularla ilgili bulguların karşılaştırılması sonucunda sosyo-kültürel ve çevresel koşulların şekillendirme ferkhhklarmın oluşmasında önemli rolleri olduğu gözlenmiştir. İç avluların, konutların diğer mekanları arasında ev kimliğini yaratmada ve çekirdek sağlamakta ayrılmaz bir bölüm oluşturdukları açıktır. Bu çalışma, sosyo-kültürel ve çevresel faktörlerin iç avlulardaki etkinüğini farklı bakış açıları ile ortaya koyarken beraberinde farklı analiz yöntemlerini de getirmektedir. Şimdiye kadar yapılmış çalışmalarda çok sınırlı olarak ele alınan kaynakların tekrar gözden geçirilmesi sonucunda, konutların iç avlularının şekillenmesinde çok ilginç birçok konunun olduğu ortaya çıkmıştır. Bu çalışmanın ana hedeflerinden birisi de; sosyo-kültürel ve çevresel koşulların yarımda, yaratıcı tasarım becerüerinin katkısıile yeni kimliklerin kazanılmasına ve sonucunda da tasarım kararlarının farklı oluşabilmesine katkı sağlayabilmesidir
Citation Count: ÖZTÜRK, H. (2003). A Survey on public-key infrastructures. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
A Survey on public-key infrastructures
(2003-09) Öztürk, Haluk; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Public-key cryptography is fast becoming the foundation for online commerce and other applications that require security and authentication in an open network. The widespread use of public-key cryptography requires a public-key infrastructure to publish and manage public-key values. Without a functioning infrastructure, public-key cryptography is only marginally more useful than traditional, secret-key cryptography. This thesis presents a set of characteristics that are common to all public-key infrastructures. These criteria are intended to encapsulate the fundamental issues that arise when dealing with such systems. They can be used both as a "shopping lisf for those who need to choose an infrastructure for a particular application, and as a guide for infrastructure developers, that they may be more aware of any compromises or tradeoffs they might make in their work. The characteristics are used to present a survey of current and some proposed infrastructure systems. The criteria reveal the strengths and weaknesses of each system, and indicate where improvements may be required.
Citation Count: KÜÇÜKOĞLU, A. (2005). Access telecommunication systems. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Access telecommunication systems
(2005-01) Küçükoğlu, Afşin; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
This thesis studies the differences between xDSL, LMDS, Fiber and FSO. Cable access system XDSL is compared with the optical fiber access communication method. As wireless access communications, LMDS and FSO systems are compared. Finally, a full comparison of all the key points for all the access systems are made. Issues compared cover the state of the art, information rate, communication distance, security, commercial prices, and the system installation costs. The comparison is supported by a software which is running under Unix systems on the internet. In the second part, atmospheric structure and the atmospheric molecular effects on the light waves in different ranges are studied. Temperature, C02 and water molecular effects in the atmosphere and the effects on the intensity are also studied
Citation Count: Can, Sıtkı Tankut (2004). An analysis of the effects of modular furniture on preschool chıldren's group behaviours: A case study in Ankara / Modüler mobilyaların okul öncesi çocukların grup davranışları etkileri üzerine bir inceleme, Ankara. Yayımlanmış yüksek lisans tezi. Ankara: Çankaya Üniversitesi, Fen Bilimleri Enstitüsü.
An analysis of the effects of modular furniture on preschool chıldren's group behaviours: A case study in Ankara
(2004) Can, Sıtkı Tankut; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, İç Mimarlık Bölümü
This study examines the effects of modular furniture on children's motor developments, group behavior and development. In order to determine preschool children behaviors and developmental criteria, necessary design criteria for preschool age period and kindergartens are investigated. Besides this, modular systems, design of place, psychological and social influences of environment which affect the child are stated. Within this framework focuses on 12 children between 5 and 6 age selected, by using systematic density observation technique.
Citation Count: DEMİROL, M.Ö. (2004). An intelligent interface for a distributed database system. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
An intelligent interface for a distributed database system
(2004-05) Demirol, Mehmet Özgür; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
In order to implement the subject software suited to a distributed database system management is developed for a real life problem solution. The implementation of the software in a distributed database environment makes it possible to develop the solution more easily. The distributed database is chosen for not to combine the remotely distributed database servers together but to develop software that has local implementation differences yet do the same works. In addition to increase the program performance SQL statement tunings are also implemented where the program logic is not sufficient. At the places that show design differences, different implementation modules developed and deployed and by means of replication these works combined at the center where the eventual transactions over the information collected are performed
Citation Count: ÖCAL, U. (2004). An inventory control application by using fuzzy logic. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
An inventory control application by using fuzzy logic
(2004-06) Öcal, Uğur; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
The fuzzy logic theory, which has been applied since 1 970 in order to approach to the human mechanism of decision making, is used today in many industrial products. New intermediary values have been added to the "yes" and "no" values in the binary logic theory. In the places where uncertainty exists, the fuzzy logic has made this uncertainty a definition through the grade of membership it uses. m Today most of the companies are using a stock control application. And most of these applications cannot adjust economic reorder point (ERP) in accordance with the demand without human control. In this thesis study, a stock control model has been designed by using fuzzy logic theory in order to overcome this shortcoming. A new order quantity value has been found by interpreting the demand for a product and quantity-on-hand (QOH) variables. In chapter 1, we mentioned the role of fuzzy logic in control engineering and information on the previous studies was given. In chapter 2, we mentioned stock control foundations and in chapter 3 the fuzzy set operations, rule-base and defuzzification were examined. In chapter 4, the stock control model was designed and the conclusion as a result of the execution of the model was given
Citation Count: BOLAT, S. (2005). Analysis of natural language sentences using natural language processing methods. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Analysis of natural language sentences using natural language processing methods
(2005-03) Bolat, Saadettin; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
The aim of this study is to develop a Web-based Question Answering System, which primarily focuses on open domain fact-based short answer questions and also some definition questions. The system takes the advantage of Web which contains enormous amount of documents available online and the redundancy (multiple answer occurrences) available in the Web documents. In order to find a correct answer to a question, the first step is to determine the type of answer that the question asks for. The system analyzes and classifies the questions according to the hand-made question analysis templates. These question analysis templates are based on the question words, English grammar and some other keywords in the questions. It first creates possible sentence substrings and then search engine specific queries. To analyze the retrieved search results, the system applies a series of filters to each sentence containing the iii candidate answer and a score is given to each sentence. Among all candidate sentences, top 5 ranked sentences containing the answers are returned as possible answers. The performance of our system has been compared to the AnswerBus question answering system which is an online, publicly accessible system on the Web, and similar to our approach in several aspects. According to the evaluation results, our system appeared better than AnswerBus in terms of accuracy
Citation Count: SHERTIL, M.S. (2005). Appliying neural networks to character recognition. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Appliying neural networks to character recognition
(2005-06) Shertil, Mahmud Saad; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Optical Character Recognition (OCR) is one of the most widely used applications of automatic pattern recognition and it is a very active research field since the 50's. Today there are numerous algorithms that perform this task, each with its own strengths and weaknesses. In this thesis we explore neural networks to find the best topology regarding the number of layers and the number of neurons at each layer by classifying two different datasets using backpropagation networks with two different approaches. We then compare the results between them and show that the obtained optimum set of parameters is valid for both printed letter and the handwritten digits. Moreover the letter dataset consists of sixteen features with 20000 samples and twenty-six classes. Here we see that the number of classes is more than the number of features which affects our results. The second dataset which is handwritten digits consists of sixty-four features with 5620 samples and ten classes. Here we see that the results are better than the first dataset
Citation Count: KARAKOÇ, İ. (2003). Artificial intelligence and its application. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Artificial intelligence and its application
(2003-06) Karakoç, İlkay; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Artificial Intelligence applications have been started in order to design computer programs that have human abilities. It has been thought that Artificial Intelligence applications will improve programs' abilities in the future. In these applications, the first step should be the determination of the knowledge and the method followed by the selection of the data set, rules and the suitable method. Then the control mechanism must be determined. In this thesis, the definition methods and techniques of Artificial Intelligence are mentioned and the Natural Language Processing, one of the applications of Artificial Intelligence is implied. Also a NLP program is designed to be a source for future works. This program is based on English language grammar rules. It is designed with respect to some determined tenses, because of the wide structure of English language. Prolog programming language and its properties of syncronization, recursion and list applications are used for program. In Chapter 1, the importance of Artificial Intelligence in human life is mentioned. Chapter 2, which mentiones the historical development of Artificial Intelligence is followed by Chapter 3, in which the fundamental characteristics of Prolog programming language is explained. In Chapter 4 data structures, list and tree mechanism are mentioned. In Chapter 5, human language rules are explained and a NLP program is generated.
Citation Count: GÜLER, N. (2003). Artificial intelligence search methods. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Artificial intelligence search methods
(2003-06) Güler, Namık; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Here in this master thesis I am planning to explain and introduce artificial intelligence and search methods. You might be heard or read some papers or books about artificial intelligence, but also now you will have chance to refresh your mind and knowledge with this introduction to be familiar with artificial intelligence. Also you will find here artificial intelligence history and some definition of artificial intelligence. One of the main study and area of artificial intelligence is search methods. Actually we came across with search criteria everyday we never think how those methods functions. m Here you will find a few searching methods examples, which we use everyday and it will help us to understand and remember better. Many people now has pc or notebook at home or in the office and computer is widely used in our daily life. If you need to find a file, documents, pictures or music files in your hard disk, if it is not easy to remember exact location or name of the file. After we start running the search program after some time later depends upon the size of domain and also amount of information we have provided, we will have a result. Also if you are using internet, if you need to find out a file, documents, pictures or any kind or information, it is necessary to go to a search machine to and need to run it.
Citation Count: RAPAKA, M. (2004). Closed environment simulation tools for computer graphics. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Closed environment simulation tools for computer graphics
(2004-09) Rapaka, Manoj; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Solid objects in the real world do not pass through each other when they collide. Enforcing this property of "solidnesf' is important in many interactive graphics applications and using solidness makes the virtual environment feel much more real and believable. This thesis performs a comparison of collision detection algorithms for 3D objects. The thesis is divided into chapters. Ill The first chapter - Introduction shortly explains the problem of collision detection, why collision detection algorithms are needed and different approaches to tackle it in short The second chapter helps by providing some background knowledge of some methods. The methods include Appropriate Bounding Boxes, Bounding Box Overlap Testing Etc. The third chapter gets into some detail with some algorithms based on bounding volumes while the fourth and fifth chapters providing a fair detail of the algorithms based on the closest pair of points and features based algorithms respectively. All the algorithms dealt with in the different chapters in the thesis leads us to the sixth chapter entitled Advantages & Disadvantages where we provide a comparison of the algorithms with different aspects taken into consideration
Citation Count: KARAÖMEROĞLU, B. (2005). Comparative study of human face identification methods. yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Comparative study of human face identification methods
(2005-06) Karaömeroğlu, Betül; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Face recognition algorithms have gained popularity in the recent years. Nowa days there are a lot of face recognition systems. However, it is known that these systems work properly in ideal environments. Behind of that, these applications provide low performance in some situations such as illumination, occlusion, different facial expression or presence of rotation and tilt conditions. In this thesis, a new approach to face recognition problem has been proposed. The presented system is a specialized version of PCA augmented with Gabor Wavelet Transform. Firstly, 2D Gabor Wavelet Transform is applied to cope with the variations due to illumination and facial expression changes; then the modified PCA approach is used for reducing a large set of correlated variables iii to a small number of uncorrelated components. The performance of the proposed algorithm is compared with the other algo rithms based on the effect of the illumination, facial expression and occluding objects such as eye glasses and facial hair
Citation Count: KÜÇÜKONGAR, A. (2004). Comparison of various control algorithms implemented into microcontrollers. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Comparison of various control algorithms implemented into microcontrollers
(2004-07) Küçükçongar, Abdullah; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
This thesis describes a microcontroller based closed loop control system. In this study several control algorithms have been implemented into the microcontroller and then the system performance have been evaluated by applying them to the speed and position control of a 24 V, 3 A permanent magnet dc motor. In the practical study, an experimental set-up including a dc motor-load system, a digital tachometer and a printed circuit board has been designed. In the printed circuit board, an H-bridge as motor driver, a frequency to voltage converter to monitor the speed and the Zilog Z86E08 microcontroller to run the control software have been used. The control software has been developed and implemented into the microcontroller by using the Zilog assembly program. The control signal with PWM m has been generated. The effects of the parameters of the control software and sudden load changes on the performance of the system have been discussed. In the theoretical study, a mathematical model of the system has been determined so that the speed of the motor has been simulated by using MatLab. Theoretical analysis has been implemented experimentally such that the initial guess of the parameters of the control algorithms have been found out by using the Ziegler- Nichols tuning method.
Citation Count: Çelik, Sezai Gökçe (2004). Component-oriented software engineering modeling tool / Bileşen yönelimli yazılım mühendisliği modelleme aracı. Yayımlanmış yüksek lisans tezi. Ankara: Çankaya Üniversitesi, Fen Bilimleri Enstitüsü.
Component-oriented software engineering modeling tool
(2004) Çelik, Sezai Gökçe; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
oz BİLEŞEN YÖNELİMLİ YAZILIM MÜHENDİSLİĞİ MODELLEME ARACI Çelik, Sezai Gökçe Yüksek Lisans, Bilgisayar Mühendisliği Bölümü Tez Yöneticisi: Yrd. Doç. Dr. Gülsün TÖRECİ Eylül 2004, 71 sayfa Bileşen Yönelimli geliştirme yeniden kullanımla yalandan ilgilidir. Temel fikir basittir. Yeni sistemler geliştirilirken önceden geliştirilmiş bileşenler kullanılır. Eğer bir sistem için özel bir fonksiyon geliştiriyorsanız, onu daha sonra başka sistemlerde de kullanılacak şekilde geliştirmek gerekmektedir. İlke olarak basit gibi görünse de geliştirmenin gerçekten zor oluğu görünmüştür. Bu çalışmada, bileşen yönelimli yazılım mühendisliğinin geçmişi ve esasları incelenmiştir. Bu esaslar doğrultusunda geliştirilmiş olan COSEML (Bileşen Yönelimli Yazılım Mühendisliği Modelleme Dili) temelleri esas alınarak, eksikliği hissedilen modelleme aracı tasarlanıp, geliştirilmiştir.
Citation Count: FARAJ, A. (2004). Computer network simulation. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Computer network simulation
(2004-06) Faraj, Aqeel; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
This thesis discusses about simulation of collision rate in Ethernet (local area network) by using CSMA/CD (carrier sense multiple access /collision detection). We try to simulate this network by introducing five different types of protocols which are Pure Aloha, Slotted Aloha, 1 -persistent, Non- persistent and P-persistent protocols. These protocols are investigated to find out which protocol has less collision rate and more data sending rate (DSR) based on some parameters such as; file size, waiting time and so on. And also the effects of the file size and the size of data packet on collision rate, data sending rate and total time have been obtained for all protocols used. m In this thesis a simulation program is used. Simulation has been implemented by using VC++ User interface, where we use Ethernet network with 10 computers connected to the same line, in order to allow the user for controlling in the parameters of network. Choosing a proper protocol is significant and has effect on the overall performance of the network [1-2]
Citation Count: UYSAL, M.P. (2002). Corba based management for distributed heterogeneous and multi database systems. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Corba based management for distributed heterogeneous and multi database systems
(2002-05) Uysal, Murat Paşa; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
Distributed, Heterogenous and Multi Database Management Systems (DHMDBS) originated from the large organizations' needs for a centrally- controlled information management by special software and administrative procedures developed for that environment. They may be running on different machine and network architectures. Monitoring selected database user actions, investigating suspicious activity, auditing and gathering data about specific processes for this type of databases are allways great concern for database administrators. (DBAs)They have to use vendor specific applications as well as platform specific software or they might develop their own solutions. With this study, we propose a solution which is an integrated Distributed Object Computing Scheme (Object Request Broker (ORB) Mechanism, CORBA Specification) of Heterogenous Multidatabases. By this decentralised approach, Portable and Mobile Informative Agents (PMA) located on whether on the same host database or not, creates bidirectional communication channels with a Portable and Mobile Manager (PMM) as well. PMM would be on the local network or any other host which is connected to the other networks.With a user interface, DBAs will be able to audit, manipulate database actions. ORB Mechanism and CORBA specification are incorporated to increase reliability, iii portability, robustness and also facilitate integration of various database systems in the market. Keyword: Object Request Broker, Distributed, Heterogeneous, Multidatabases, Common Object Request Broker Architecture
Citation Count: Akcan, Sumruhan (2003). Cultural reflections in the Orthodox sacred space / Ortodoks kutsal mekanı üzerine kültürel yansımalar. Yayımlanmış yüksek lisans tezi. Ankara: Çankaya Üniversitesi, Fen Bilimleri Enstitüsü
Cultural reflections in the Orthodox sacred space
(2003) Akcan, Sumruhan; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, İç Mimarlık Bölümü
The definitions of self by human beings have been a matter of interpretation concerning space for a long time. Space can be defined as an appropriate media for a social group to explain itself and its distinctions from other groups disregarding the dominancy of the number of members. These social groups, while finding ways to express themselves, establish their religious architecture within their inner dynamics. While doing so, they use their established profile in all of their creations. In this sense, it can be said that when examining a social group, the focus should be on those spaces with a high symbolic value for expressing themselves as being different from the others. In general, the religious space has a high symbolic value, with quite a number of social hints within. This thesis is based on a comparative structure which evaluates and proves this reality while interpreting the inner dynamics of space creation, as visual and literal data enhances the theorethical basis. This study examines the factors affecting the formation of the religious interiors of the Eastern Orthodox minority groups in Anatolia. It aims to compare and evaluate the interpretation of interiors by three different social groups, examining their socio-cultural and architectural position. The thesis analyses the formation of their ecclesiastical IIIarchitecture and culture using the space in the outside and the inside, but with an emphasis on the space within
Citation Count: ERGEN, M.T. (2004). Design and analysis of native XML databases in three-tier architectures. Yayımlanmamış yüksek lisans tezi. Ankara: Çankaya Üniversitesi Fen Bilimleri Enstitüsü.
Design and analysis of native XML databases in three-tier architectures
(2004-02-01) Ergen, Mehmet Tunç; Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Bölümü
XML is rapidly emerging as a standard for exchanging business data on the World Wide Web. From management systems to e-business application providers to pure development tools, XML has gone from newly underground technology to integrated component standard. It is used as the file format of choice for Web development, document interchange, and date interchange, and presents a new world of opportunities and challenges to programmers. It is predicted that by at the end of 2004, more than 75% of e-business applications will include XML regardless of which language the application has been written in. As more and more applications starts using XML there wilt be a need to efficiently handle the XML data at the back-end. The need to efficiently store and process XML documents has created the new XML supported technologies and tools. One of these tools is the Native XML Databases. It is based on document-in, document-out architecture with capabilities for storage, retrieval, querying and updating the documents. While Native XML Databases are an important new technology, they should not be used without careful analysis and consideration. In this thesis Native XML Databases are investigated and analyzed in a 3-tier architecture to gain and ensure several advantages that three-tier systems offer to application developers and information technology industry

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