TR-Dizin İndeksli Yayınlar Koleksiyonu

Permanent URI for this collectionhttps://gcris.khas.edu.tr/handle/20.500.12469/4467

Browse

Now showing 1 - 20 of 98

Citation - Scopus: 0
The 1921 Constitution and Beyond: Any Inspiration After 100 Years?
(Istanbul University Press, 2022) Arat, N.; Arat, Nilay; Topukçu, A.; Law
The 1921 Constitution has mostly been considered as a unique piece of legal document in Turkish Legal History with regard to the time it was written, the conditions under it was created, the necessity it touched and the era it changed. The 1921 Constitution had been assessed by scholars, bureaucrats, politicians and lawyers in different times from distinct perspectives. It has got special attention lately as regards to the discussions on constitution-making processes. Even after 100 years, many of its features inspire today's constitutional discussions as the 1921 Constitution touches even today's sociological, political and legal needs. In this context, this paper aims to assess the 1921 Constitution first by pointing out the unique features; then, gives try to answer a question posed whether the 1921 Constitution is a constitution itself, or not. This trial is done under the double constitution period discussions and by pulling out the deficiencies of the 1921 Constitution. Subsequently, the box of inspirational touches of the 1921 Constitution to 100 years beyond is opened. In that sense, it has been found that the understanding of sovereignty that brings it down to its origin “earth/humankind”, the idea of local democracy and the vision on fundamental rights and freedoms that open the door to modern understanding of rights on this part of the world, could be drawn/inherited for today's constitutional making processes. © 2022 Istanbul University Press. All Rights Reserved.
Citation - WoS: 2
Citation - Scopus: 1
3D self-assemble formation of molybdenum disulfide (MoS2)-doped polyacrylamide (PAAm) composite hydrogels
(Tubitak Scientific & Technological Research Council Turkey, 2022) Özuğur Uysal, Bengü; Pekcan, Mehmet Önder; Uysal, Bengu Ozugur; Pekcan, Onder; Molecular Biology and Genetics
Polyacrylamide (PAAm), a renowned member of the hydrogel class, has many uses throughout a wide range of industrial processes, including water absorbed diapers, contact lenses, wastewater treatment, biomedical applications such as drug delivery vehicles and tissue engineering because of its physical stability, durability, flexibility easier shaping, and so on. PAAm also provides new functionalities after the incorporation of inorganic structures such as molybdenum disulfide (MoS2). During the copolymerization process, the transmittance of all samples reduced significantly after a particular time, referred to as the gel point. Microgels form a tree above the gel point as projected by Flory-Stockmayer classical theory. Because of microgels positioned at the junction points of the Cayley tree, the addition of MoS2 results in strong intramolecular crosslinking and looser composites. Moreover, fractal geometry provides a quantitative measure of randomness and thus permits characterization of random systems such as polymers. Fractal dimension of these polymer composites is calculated from power-law-dependent scattered intensity. It was also confirmed that a hydrogel rapidly formed within a few seconds, indicating a 3D network formation inside the gel. These materials may have a great potential for application in wearable and implantable electronics due to this highly desired 3D self-assemble feature.
Citation - WoS: 0
5403 Sayılı Kanun Çerçevesinde Terekedeki Tarım Arazilerinin Devredilmesi Karşısında Muris Muvazaası
(Istanbul Univ, 2020) Senol, A. Nilay; Uzun Kazmacı, Özge; Kazmacı, Özge Uzun; Law
The Law on Protection of Soil and Land Use, numbered 5403, aims to protect the unity of agricultural lands, and to prevent the division of the soil with inheritance. This law stipulates first, the possibility regarding the giving over of the agricultural land in succession to one or more heirs, to a family partnership, to a limited liability company or to a third person with the consensus of the heirs and second, in case of disagreement, the judge shall decide whether to leave the agricultural land to a competent heir or to sell the land. Furthermore, according to this law, the competent heir to whom the agricultural land will be left can be determined by means of testamentary disposition. It is possible and also valid within the legal constraints that the testator can also transfer the agricultural land to one of the heirs while he is alive. It is arguable whether this transaction can be considered as the testator’s simulation or not, if this transaction has also been made with a simulated transaction. Some principles are set out by the Supreme Court in terms of the simulation of the testator, and although these principles and decisions are criticized by the doctrine, such cases are held by these principles. The purpose and the regulations of the Law numbered 5403 shall be taken into consideration in determining testator’s simulation
Citation - WoS: 4
Citation - Scopus: 7
Accurate Indoor Positioning With Ultra-Wide Band Sensors
(Tubitak, 2020) Arsan, Taner; Arsan, Taner; Computer Engineering
Ultra-wide band is one of the emerging indoor positioning technologies. In the application phase, accuracy and interference are important criteria of indoor positioning systems. Not only the method used in positioning, but also the algorithms used in improving the accuracy is a key factor. In this paper, we tried to eliminate the effects of off-set and noise in the data of the ultra-wide band sensor-based indoor positioning system. For this purpose, optimization algorithms and filters have been applied to the raw data, and the accuracy has been improved. A test bed with the dimensions of 7.35 m x 5.41 m and 50 cm x 50 cm grids has been selected, and a total of 27,000 measurements have been collected from 180 test points. The average positioning error of this test bed is calculated as 16.34 cm. Then, several combinations of algorithms are applied to raw data. The combination of Big Bang-Big Crunch algorithm for optimization, and then the Kalman Filter have yielded the most accurate results. Briefly, the average positioning error has been reduced from 16.34 cm to 7.43 cm.
Citation - WoS: 0
Citation - Scopus: 1
An Alternative Approach To Design Lumped Element Delay Equalizers
(Istanbul Univ Fac Engineering, 2015) Şengül, Metin Y.; Şengül, Metin; Electrical-Electronics Engineering
In this paper an algorithm has been proposed to design lumped element delay equalizers which is considered as a single block as opposed to the existing methods in literature. Then after obtaining the desired delay performance the designed delay equalizer is divided and realized as cascaded first-order and/or second-order all-pass circuits. An example is given to illustrate the utilization of the proposed algorithm.
Citation - Scopus: 0
Aluminum accumulation in treatment using submerged membrane electro-bioreactor of young landfill leachate: Statistical analysis
(Environmental Research & Technology (Online), 2020) Kurtoğlu Akkaya, Gülizar; Ayvaz Çavdaroğlu, Nur; Bilgili, Mehmet
Herein, landfill leachate containing high amount of organic matter, which is quite difficult to treat, was first treated using the new submerged membrane electro-bioreactor (SMEBR) system. Aluminum (Al) electrode was used for the treatment of leachate in the SMEBR and Al accumulation was detected. This study aims to examine Al accumulation in the treatment of leachate with high organic content in the SMEBR system. The Al values obtained were plotted on a graph using MS Excel, and Mann–Whitney U test was used to determine whether there is a statistical difference between the observed Al values. Also, correlations between Al accumulations and conductivity and TOC in SMEBR and SMBR were evaluated. Resultantly, it was found that relationship between Al and conductivity is very weak, correlation between Al and TOC% is a weak-moderate, the Al accumulation in the SEMBR has a linear relationship with time and there is a very strong correlation between the two variables (R2= 0.7591). Its correlation with time in the SMBR is moderate (R2= 0.3316). MS Excel 2016 and Minitab 16.0 programs were utilized in the statistical analyses.
Citation - WoS: 1
An analysis of social media content shared by right-wing extremist groups in the United States, the Great Britain and Australia
(Istanbul Univ, Fac Communication, 2023) Baş, Özen; Bas, Ozen; New Media
The extreme right movements have increasingly appeared on social media, especially on Twitter and Facebook, coinciding with the 2019 New Zealand attack, the 2019 El Paso incident, and Britain's exit from the European Union in 2020. This study examines the content and the form of extreme right-wing activities on Facebook and Twitter to promote their ideologies. A qualitative content analysis was conducted on posts shared by extreme-right groups on public Facebook and Twitter accounts in Great Britain, the United States and Australia. The sample spans from March 15, 2019 to February 5, 2020. The posts were coded according to a coding instrument developed based on the existing literature spreading extremist ideologies on social media. The coding instrument consisted of categories and subcategories such as 'the protection of western values', 'anti-LGBT activism', 'anti-feminism', 'anti-Islam', 'anti-immigrant sentiments', 'fostering the white race', and 'anti-elitist populism'. Findings suggest that the most prevalent extremist ideologies on Facebook and Twitter posts were 'anti-elitist populism' and 'the protection of western values'. Also, extremist groups heavily shared posts that combined texts and images to spread their ideologies on social media.
Citation - WoS: 1
Citation - Scopus: 1
Assesment of soft error sensitivity of power flow analysis
(Gazi Univ, Fac Engineering Architecture, 2023) Yetkin, Emrullah Fatih; Yetkin, Emrullah Fatih; Business Administration
Today's power systems are large and interconnected to each other with many buses, lines, loads, and generators. Even the solution of a single snapshot of the system for specific conditions requires the solution of systems of equations with large sizes. Thus, to obtain the results in a reasonable time for large problems like electrical power flow simulations, modern large computational environments should be employed. However, because of the increasing number of components in the modern computational environment, the possibility of soft errors also increases. Soft errors can be defined as failures arising from several fluctuations due to x-rays, cosmic particle effects, etc. These types of errors usually appear at any time of computation as a bit-flip in any floating-point operations. In this paper, we will investigate the soft-error effects on large-scale power flow simulations. Generally, power flow calculations are performed by using Newton Raphson Method. The system is modeled by nonlinear equations and the solution process requires a linear solver is employed to take the inverse of the Jacobian matrix at each iteration. In this study, the soft-error sensitivity of the numerical methods used in load flow was examined, and the problems that may be encountered were revealed.
Citation - WoS: 2
Asymmetric Cost Behavior and Acquirer Returns: Evidence From U.s. Mergers
(Ege Univ, 2019) Uğurlu, Mine; Öztürk Danışman, Gamze; Öztürk Danışman, Gamze; Vural Yavaş, Çiğdem; Bilyay-Erdoğan, Seda; Vural-Yavaş, Çiğdem; International Trade and Finance
This paper investigates the asymmetric behavior of the selling, general and administrative (SG&A) costs of acquirers, and reveals its effects on mergers & acquisitions (M&A) performance in a one-year event window. It is based on a sample of 6888 M&As completed in the U.S. during the 2003-2015 period and employs panel data regressions. The results show that 73% of the acquirers display asymmetric cost behavior. A significant negative relation is found between cost stickiness and acquirers' abnormal returns following the merger announcement. Competition in the market for corporate control is positively related with acquirer returns but exacerbates the negative effects of cost-stickiness on abnormal returns of acquirers. The acquirers' risk of default is significantly negatively related to the abnormal returns they generate. This adverse effect of default risk on returns is stronger for acquirers with anti-sticky costs. Acquirer risk offsets the positive effects of competition on returns. Acquirers with sticky costs have lower abnormal returns than those with anti-sticky costs in a one-year window. The present study contributes to the literature by revealing the asymmetric cost behavior of acquirers involved in merger activity during the last decade, and provides evidence for an alternative explanation for the lower abnormal returns of the acquiring firms.
Citation - WoS: 1
Citation - Scopus: 1
Bayesian Estimation of Discrete-Time Cellular Neural Network Coefficients
(TUBITAK Scientific & Technical Research Council Turkey, 2017) Özer, Hakan Metin; Şenol, Habib; Özmen, Atilla; Özmen, Atilla; Şenol, Habib; Computer Engineering; Electrical-Electronics Engineering
A new method for finding the network coefficients of a discrete-time cellular neural network (DTCNN) is proposed. This new method uses a probabilistic approach that itself uses Bayesian learning to estimate the network coefficients. A posterior probability density function (PDF) is composed using the likelihood and prior PDFs derived from the system model and prior information respectively. This posterior PDF is used to draw samples with the help of the Metropolis algorithm a special case of the Metropolis--Hastings algorithm where the proposal distribution function is symmetric and resulting samples are then averaged to find the minimum mean square error (MMSE) estimate of the network coefficients. A couple of image processing applications are performed using these estimated parameters and the results are compared with those of some well-known methods.
Citation - Scopus: 0
Broadband Double-Matching Via Lossless Unsymmetrical Lattice Networks
(Istanbul University, 2012) Şengül, Metin Y.; Şengül, Metin; Electrical-Electronics Engineering
In this paper a broadband double-matching network design algorithm has been presented. In the network an unsymmetrical lattice network has been used. The branch impedances of the lattice network are composed of singly terminated lossless LC networks. After giving the procedure its usage has been illustrated via an example.
Citation - WoS: 0
Citation - Scopus: 0
Broadband Matching Via Reflection Coefficient Modeling
(AVES YAYINCILIK, 2016) Şengül, Metin Y.; Şengül, Metin; Electrical-Electronics Engineering
[Abstract Not Available]
Citation - Scopus: 1
Changing the Identity of a Place by Changing Street Names: the Process of Renaming the Streets of Üsküdar Between 1927-1934
(Istanbul Teknik Universitesi, Faculty of Architecture, 2023) Dalgiç, E.N.; Yıldırım Okta, Birge; Yildirim Okta, B.; Architecture
Street names are part of our everyday lives. People constantly encounter street signs during their daily practices. Their visible position in the urban landscape makes street names suitable to use as visual/linguistic signifiers of cultures, histories, values, and ideologies. Renaming streets is one of the first actions of the new regimes to create their ideological hegemony in the territories they rule. It is essential to resolve the conflicts between urban memory and the sovereign’s history to legitimize their geographical claims by changing anything that does not match with their mental constructs in the urban landscape. This article provides a critical discourse analysis of the relationship between space, place, identity, urban memory, and street names by examining the alteration of street names in Üsküdar, a district of Istanbul, between 1927 and 1934. Even though Üsküdar was one of the regions where the minorities lived exceedingly in the Ottoman period, in the current Üsküdar identity, there are only a few traces left of its former inhabitants. Hence, in terms of redefining identity, Üsküdar can be considered a prominent example compared to the other regions the minorities lived in Istanbul. The primary source for this inquiry is Osman Nuri Ergin’s İstanbul Şehri Rehberi (Istanbul City Guide), which was published in 1934. Archival documents and newspaper articles about street name changes are also used in this research. The relationship between socio-political transformation in Üsküdar and changes in urban toponymy is investigated in this study. © 2023, Istanbul Teknik Universitesi, Faculty of Architecture. All rights reserved.
Citation - WoS: 0
The Choice of Law in the Infringement of Intellectual Property Rights by Soft Law Provisions
(Istanbul Univ, 2020) Ömeroğlu, Ekin; Law
This study deals with the party autonomy principle as a connecting factor in the infringement of intellectual property rights in the light of soft law provisions. The territoriality principle and the lex loci protectionis rule govern as the main doctrines of law applicable to intellectual property infringement disputes. However, several academic projects from all over the world (the Principles by the American Law Institute, the Principles by the European Max Planck Group on Conflict of Laws in Intellectual Property, the Japanese Transparency Proposal, the Joint Principles drafted by members of the Private International Law Association of Korea, Japanese Waseda University Global COE Project and the Draft Guidelines on Intellectual Property in Private International Law of The International Law Association Intellectual Property and Private International Law Committee) suggested the party autonomy principle for the infringement of intellectual property rights in contrast to Article 8(3) of the Rome II Regulation. All these principles have no legally binding effect, but they are a set of principles that could be used both by international and national legislative bodies and courts. Moreover, the party autonomy principle in intellectual property infringement cases has been accepted by Turkish Private International Law Act (PILA), Swiss PILA and Chinese PILA. The purpose of this study is to analyse both soft law and national law provisions comparatively. Although the common aspect of the legal principles is to accept the will of the party, all of the provisions differ in several aspects. This study attempts to analyse and evaluate the suggested developments of the choice of law for intellectual property infringement cases.
Citation - WoS: 3
Citation - Scopus: 3
Comparative Classification Performances of Filter Model Feature Selection Algorithms in Eeg Based Brain Computer Interface System
(Gazi Univ, Fac Engineering Architecture, 2023) Bulut, Cem; Ballı, Tuğçe; Balli, Tugce; Yetkin, Emrullah Fatih; Yetkin, E. Fatih; Business Administration; Management Information Systems
Brain-computer interface (BCI) systems enable individuals to use a computer or assistive technologies such as a neuroprosthetic arm by translating their brain electrical activity into control commands. In this study, the use of filter-based feature selection methods for design of BCI systems is investigated. EEG recordings obtained from a BCI system designed for the control of a neuroprosthetic device are analyzed. Two feature sets were created; the first set was band power features from six main frequency bands (delta (1.0-4 Hz), theta (4-8 Hz), alpha (8-12 Hz), beta (12-25 Hz), high-beta (25-30Hz) and gamma (30-50 Hz)) and the second set was band power features from ten frequency sub-bands (delta (1-4 Hz), theta (4-8 Hz), alpha1 (8-10 Hz), alpha2 (10-12 Hz), beta1 (12-15 Hz), beta2 (15-18 Hz), beta3 (18-25 Hz), gamma1 (30-35 Hz), gamma2 (35-40 Hz), gamma3 (40-50 Hz)). Ten filter-based feature selection methods are investigated along with linear discriminant analysis, random forests, decision tree and support vector machines algorithms. The results indicate that feature selection methods leads to a higher classification accuracy and eigen value centrality (Ecfs) and infinite feature selection (Inffs) methods have consistently provided higher accuracy rates as compared to rest of the feature selection methods.
Citation - WoS: 2
Comparison of Earliest and Later Autobiographical Memories in Young and Middle-Aged Adults
(Istanbul Univ, 2019) Ece, Berivan; Yaman, Sezin Öner; Demiray, Burcu; Öner, Sezin; Gülgöz, Sami; Psychology
The current study examined earliest memories of young and middle-aged adults in comparison to a recent autobiographical memory and a free-report one from any life phase. These three types of memories were compared in terms of their memory characteristics such as vividness, emotionality. importance, confidence, and rehearsal frequency. A total of 319 young (18-30 years) and 112 middle-aged (40-65 years) adults completed the online survey. Results showed that earliest memories were rated either similar to or lower than later memories in their memory characteristics. More specifically. they received lower ratings than free-report memories in all memory characteristics whereas they did not significantly differ from recent memories only in importance and emotionality. In addition, free-report memories were highest in emotionality, importance and rehearsal frequency whereas recent memories were highest in vividness and confidence ratings. Compared to young adults, middle-aged adults provided higher ratings for all memory characteristics in general, and they further recalled earliest memories from an older age. Finally, the order of reporting the three types of memories (earliest memory first versus recent memory first) was examined with respect to its potential influence on memory characteristics and dating of the recalled memories. Results displayed no significant effect of the reporting order on memory characteristics. Dating of the earliest and free-report memories, however, was significantly affected by the reporting order. The mean age for earliest memories was higher when it was retrieved following the recent memory compared to the reporting order in which earliest memories are retrieved and reported first. Overall, results indicated that earliest memories arc not particularly special compared to later memories (e.g.. free-report memories) in terms of their memory characteristics, and they are vulnerable to experimental manipulation such as changing the reporting order just like other types of autobiographical memories.
Citation - WoS: 7
Computational International Relations What Can Programming, Coding and Internet Research Do for the Discipline?
(Dış Politika ve Barış Araştırmaları Merkezi, İhsan Doğramacı Barış Vakfı, 2019) Ünver, Hamid Akın; Ünver, Hamid Akın; International Relations
Computational Social Science emerged as a highly technical and popular discipline in the last few years, owing to the substantial advances in communication technology and daily production of vast quantities of personal data. As per capita data production significantly increased in the last decade, both in terms of its size (bytes) as well as its detail (heartrate monitors, internet-connected appliances, smartphones), social scientists’ ability to extract meaningful social, political and demographic information from digital data also increased. A vast methodological gap exists in ‘computational international relations’, which refers to the use of one or a combination of tools such as data mining, natural language processing, automated text analysis, web scraping, geospatial analysis and machine learning to provide larger and better organized data to test more advanced theories of IR. After providing an overview of the potentials of computational IR and how an IR scholar can establish technical proficiency in computer science (such as starting with Python, R, QGis, ArcGis or Github), this paper will focus on some of the author’s works in providing an idea for IR students on how to think about computational IR. The paper argues that computational methods transcend the methodological schism between qualitative and quantitative approaches and form a solid foundation in building truly multi-method research design.
Citation - Scopus: 1
Concept of Legal Aid in Civil Litigation in Accordance With the Decisions of the European Court of Human Rights
(Istanbul University Press, 2023) Yardim, M.E.
Access to a fair trial is a fundamental human right that has been addressed both in international law and in the context of the European Convention on Human Rights (ECHR). Legal aid (free or affordable legal support/assistance/service) is evaluated as one of the elements of a fair trial. The well-known sixth article of the ECHR refers directly to legal aid. However, the third paragraph of ECHR art. 6 issues only criminal offenses. The European Court of Human Rights (ECtHR) implies the right to free legal assistance (legal aid) in civil cases. In our study, we will focus on the term of legal aid, types of legal aid and main legal aid systems, features of legal aid in civil matters, subject of legal aid and litigation costs and the procedure of legal aid application and who will be granted by legal aid in civil litigation. © Istanbul University Press. All Rights Reserved.
Considerations and Confusions About Theregulatory Focus Theory and a Future Agendafor Researchers in Marketing
(Boğaziçi Üniversitesi, İktisadi ve İdari Bilimler Fakültesi, 2017) Merdin-Uygur, Ezgi
The regulatory focus theory is the mark of a paradigm shift away from a unidimensional hedonism towards a multiplicity of regulatory foci. It possesses great explanatory power; however a lot remains unresolved despite a promising body of empirical work. This paper highlights various considerations concerning the conceptual and comparative qualities of the regulatory focus theory. The discussion moves into the intersection of regulatory focus and consumer behavior literature, briefly summarizing the findings and followed by a number of propositions to be tested for future research.
Constructions of European Identity: Debates and Discourses on Turkey and the Euhoundmills, Basingstoke, Hampshire Ve New York, Ny, Palgrave Macmillan, 2012. Isbn 978-0
(Uluslararası İlişkiler Konseyi Derneği İktisadi İşletmesi, 2013) Düzgit Aydın, Senem
[Abstract Not Available]

Browse

Browsing TR-Dizin İndeksli Yayınlar Koleksiyonu by Publication Category "Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı"