Now showing items 1-20 of 22

  • A country-specific analysis on internet interconnection ecosystems 

    Authors:Cakmak, Gorkem; Aydın, Mehmet Nafiz
    Publisher and Date:(IEEE, 2018)
    With the proliferating number of diverse participants and destinations to reach the Internet construct has become more intricate to assay. Today Internet Service Providers (ISPs) establish resilient networks from multiple providers and broaden the number of peering links-as financially as viable. However the complex structure of the global Internet ecosystem and entwined roles of Internet players simply prevent us from conducting generalized models for grasping interconnections which could be ...

  • Adoption of an agile approach to e-commerce software development projects 

    Authors:Bilen, Metin
    Publisher and Date:(Kadir Has University, 2015)
    Companies' business operation methods and processes have been vigorously affected by the reflection of electronic business to economy. Product-focused business model, which is executed by traditional companies, has been changed to customer-driven business model due to the speed and facility of communication among project members. The impact of end-users has been changed in a good way by the computers and mobile devices on e-commerce world. Customers have more power thanks to the increase of ...

  • An Integrated Framework for Examining Innovation Alignment in Organizations 

    Innovation has been promoted as a panacea to solve the long-standing problem of how organizations deal with complexities associated with uncertainty and instability in ever changing environments. information systems (IS) research focusing on innovation has adopted several perspectives to reveal a rich context in which the innovation surfaces as a phenomenon. Examination of a rich context may contribute to a better understanding of an extent to which uncertainty and instability can affect or be ...

  • Analysis and Implications of the Giant Component for an Online Interactive Platform 

    This research is concerned with practical and research challenges related to understanding the nature of online interactive platforms. So-called network science is adopted to investigate the very nature of these systems as complex systems. In this regard we examine an online interactive health network and show that the interactive platform examined exhibits essential structural properties that characterize most real complex networks. We basically look into the largest connected component so-called ...

  • Analysis of the Patients and Physicians Connection Network on an online Health Information Platform 

    Authors:Aydın, Mehmet Nafiz; Perdahci, N. Ziya
    Publisher and Date:(IOS Press, 2014)
    Social network applications have gained popularity in the health domain as they bring health information seekers (patients and alike) and medication advice providers (physicians and other relevant actors) together. By employing a network science perspective this research is aimed to understand an information network establishing connections among and between information seekers and providers. We found that such a connection network surfaces most of the essential characteristics of a typical complex ...

  • Applicability of evolutionary game theoretic models to dynamic social networks 

    Authors:Yılmaz, Melis
    Publisher and Date:(Kadir Has University, 2016)
    It is known that in social communities; humans display two main patterns of behavior: acting in their own utility or acting for the utility of the community in which they exist (cooperation). Mentioned two basic behaviors are addressed by the traditional game theory models which take as their basis the rational human. Therefore, these models accept that the behavior which would bring in the optimal outcome, is the one that maximizes the personal benefits of decision makers. On the other hand, ...

  • Application of the right to data portability : a technical and managerial perspective 

    Authors:Erkmen, Alp
    Publisher and Date:(Kadir Has University, 2019)
    European Union’s General Data Protection Regulation provides individuals with new rights one of which is the Right to Data Portability. The Right to Data Portability has been further explained by relevant European data protection bodies’ guidelines (European Data Protection Board Article 29 Working Party information Commissioner’s Office). Article 29 Working Party and information Commissioner’s Office refer to midata initiative in the United Kingdom as an exemplary application of the Right to Data ...

  • Application of the right to data portability: A technical and managerial perspective 

    Authors:Erkmen, Alp
    Publisher and Date:(Kadir Has University, 2019)
    European Union’s General Data Protection Regulation provides individuals with new rights one of which is the Right to Data Portability. The Right to Data Portability has been further explained by relevant European data protection bodies’ guidelines (European Data Protection Board, Article 29 Working Party, Information Commissioner’s Office). Article 29 Working Party and Information Commissioner’s Office refer to midata initiative in the United Kingdom as an exemplary application of the Right ...

  • Complex Adaptive Systems Theory in the Context of Business Process Management 

    Authors:Uluhan, Eray; Aydın, Mehmet Nafiz
    Publisher and Date:(Springer Verlag, 2014)
    Organizations require agility adaptiveness and flexibility to survive and to deal with complexity in business ecosystems and business processes are recognized as cornerstones of successful organizations. Paradigms underlying existing business process management (BPM) methods and solutions have been questioned for their ability to capture the complexity of business dynamics. The basic trust of this research is to search for an alternative approach to better understand underpinnings of business ...

  • Dynamic network analysis of online interactive platform 

    Authors:Aydın, Mehmet Nafiz; Perdahci, N. Ziya
    Publisher and Date:(Springer, 2019)
    The widespread use of online interactive platforms including social networking applications community support applications draw the attention of academics and businesses. The basic trust of this research is that the very nature of these platforms can be best described as a network of entangled interactions. We agree with scholars that these platforms and features necessitate the call for theory of network as a novel approach to better understand their underpinnings. We examine one of the leading ...

  • Examination of Centrality in a Health Social Network 

    Growing importance of health information platforms are acknowledges in recent studies. Such platforms are subject to discussion about an extent to which social network characteristics are realized. The platform under examination indeed demonstrates social network peculiarities. In this work we explore the nature of centrality in one of the leading health information networks in Europe. Among other findings we identify two nodes (representing patient and physician) are as the most important people ...

  • Hub analysis of health information platform from a network science perspective 

    Authors:Çalışan Özyurt, Şeyma
    Publisher and Date:(Kadir Has University, 2015)
    Online information platforms such as social networking applications are subject to examination of the underlying interactions as a network. Managers of these platforms are often unaware what constitutes the very idea of network growth. Conventional web and social analytics metrics are not adequate to surface the intriguing interplays among individuals interacting on these platforms. Thus, the challenge for managers is to know what underlies growth of the network on these platforms. The goal of ...

  • A hybrid deep learning framework for unsupervised anomaly detection in multivariate spatio-temporal data 

    Multivariate time-series data with a contextual spatial attribute have extensive use for finding anomalous patterns in a wide variety of application domains such as earth science, hurricane tracking, fraud, and disease outbreak detection. In most settings, spatial context is often expressed in terms of ZIP code or region coordinates such as latitude and longitude. However, traditional anomaly detection techniques cannot handle more than one contextual attribute in a unified way. In this paper, a ...

  • Modularity analysis of a bipartite network for an e-commerce shop 

    Authors:Kariniauskaite, Dzordana
    Publisher and Date:(Kadir Has University, 2016)
    Many real-world systems which are of interest to both researchers and practitioners can be modeled as networks – sets of nodes, representing objects, and links between them, representing the interactions among these objects. One of the most important categories of complex networks in naturally real-world systems is bipartite networks (opposite to general unipartite networks), where nodes can be divided into two disjoint sets such that no two nodes of the same type are connected; there are no links ...

  • Modularity analysis of a health information platform from a network science perspective 

    Authors:Alaşan, Semiha Nur
    Publisher and Date:(Kadir Has University, 2015)
    As Barabási (2015) emphasizes that the very idea of communities goes back to the time people were born into communities and had to find their individuality. But today it is the other way around, that is, people are born individuals and have to find their communities. This research is aimed to better understand modularity measures for a health information platform. Such platform is an exemplary of its many kinds that are characterized as interactive, web-based information exchange platforms. These ...

  • Modularity analysis of a social network in a knowledge institute 

    Authors:Issa, Shouaib Mahamoud
    Publisher and Date:(Kadir Has University, 2017)
    As the technology is improving faster than any other time before and the growth of technology internet and the connectivity of people and devices gave the rise of network science and the effort to understand the common properties of all kinds of network. Nowadays the use of social network analysis for businesses and organization becomes increasingly significant where objects and entities are represent as nodes and their relationship is represent as edge. The main task of this thesis is to conduct ...

  • A network science approach to correlations between course achievement and community structure in school friendship networks 

    Authors:Kafkas, Kenan
    Publisher and Date:(Kadir Has University, 2017)
    in this research we examine a secondary school social network. We apply social network analysis (SNA) techniques on the close friendship structure of the students. Our aim is to answer the following questions regarding the network. The first question is what are the mixing values with respect to test achievement scores gender and class. The second question is how are the communities in the network structured. Such findings can be significant assets in understanding and improving the learning ...

  • Project Management Method Adoption: A Service Industry Case Study 

    Authors:Aydın, Mehmet Nafiz; Dilan, Ebru
    Publisher and Date:(IGI Global, 2017)
    The purpose of this research is to understand what aspects of brand-named project management method (Project Management Institute - PMI) have been adopted in a service organization and how. The case context examined demonstrates how a weak-matrix organizational structure and agency interpretation along with project management maturity for IT outsourcing projects can affect adoption of a project management method. An interpretative case study is employed for examining the interplays among key notions ...

  • School-wide friendship metadata correlations 

    Managers and education practitioners desire to know an extent to which sustainable school-wide friendship exists. Drawing on theory of network this research focuses on bestfriendships that may contribute to positive school experience or school belonging in the context of school-wide interactions. We emphasize that school-wide unity is essential to refer to shared perceived friendship experience at the school level. The basic trust of this study is that managers should consider interconnectedness ...

  • Semantic and syntactic interoperability for agricultural open-data platforms in the context of IoT using crop-specific trait ontologies 

    Authors:Aydın, Şahin; Aydın, Mehmet Nafiz
    Publisher and Date:(MDPI AG, 2020)
    In recent years, Internet-of-Things (IoT)-based applications have been used in various domains such as health, industry and agriculture. Considerable amounts of data in diverse formats are collected from wireless sensor networks (WSNs) integrated into IoT devices. Semantic interoperability of data gathered from IoT devices is generally being carried out using existing sensor ontologies. However, crop-specific trait ontologies-which include site-specific parameters concerning hazelnut as a particular ...