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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Implementation and Evaluation of the Canonical Text Service Protocol as Part of a Research Infrastructure in the Digital Humanities

Tiepmar, Jochen 23 May 2018 (has links)
Einer der bestimmenden Faktoren moderner Gesellschaften ist die fortlaufende Digitalisierung von Informationen und Resourcen. Dieser Trend spiegelt sich in heutiger Forschung wider und hat starken Einfluss auf akademische und industrielle Projekte. Es ist nahezu unmöglich, ein modernes Projekt aufzusetzen, welches keinerlei digitale Aspekte beinhaltet und viele Projekte werden mit dem alleinigen Zweck der Digitalisierung eines Teils der Welt ins Leben gerufen. Dieser Trend führt zur Entstehung neuer Forschungsfelder an den Schnittstellen zwischen der analogen Welt -- beispielsweise den Geisteswissenschaften -- und der Digitalen -- beispielsweise der Informatik. Eine davon ist das für diese Arbeit interessante Gebiet der Digital Humanities. Dabei werden komplexe Forschungsfragen, -techniken und -prinzipien verbunden, die sich unabhängig voneinander entwickelten. Viel Mühe ist nötig, um die Kommunikation zwischen deren Konzepte zu definieren um Missverständnisse und Fehleinschätzungen zu vermeiden. Dieser Prozess der Brückenbildung ist eine zentrale Aufgabe der neu entstehenden Forschungsfelder. Diese Arbeit schlägt eine solche Brücke für die textorientierten Digital Humanities vor. Diese Lösung basiert auf einem Referenzsystem für digitalen Text, welches in den Geisteswissenschaften spezifiziert und im Rahmen dieser Arbeit zu einem Datenkommunikationsprotokoll für die Informatik uminterpretiert wurde: dem Canonical Text Service (CTS) Protokoll. / One of the defining factors of modern societies is the ongoing digitization of information, resources and in many ways even life itself. This trend is obviously also reflected in today's research environments and heavily influences the direction in which academic and industrial projects are headed. It is borderline impossible to set up a modern project without including digital aspects and many projects are even set up for the sole purpose of digitizing a specific part of the world. One of the side effects of this trend is the emergence of new research fields at the intersection points between the analog world -- represented for example by the humanities -- and the digital world -- represented for example by computer science. One set of such research fields are the digital humanities, the area of interest for this work. In the process of this development, complex research questions, techniques, and principles are aligned next to each other that were developed independently from another. A lot of work has to go into defining communication between the concepts to prevent misunderstandings and misconceptions on both sides. This bridge building process is one of the major tasks that must be done by the newly developed research fields. This work proposes such a bridge for the text-oriented digital humanities based on a digital text reference system that was previously developed in the humanities and is in this work reinterpreted as a data communication protocol for computer science: The Canonical Text Service (CTS) protocol.
12

Semantic Driven Approach for Rapid Application Development in Industrial Internet of Things

Thuluva, Aparna Saisree 13 May 2022 (has links)
The evolution of IoT has revolutionized industrial automation. Industrial devices at every level such as field devices, control devices, enterprise level devices etc., are connected to the Internet, where they can be accessed easily. It has significantly changed the way applications are developed on the industrial automation systems. It led to the paradigm shift where novel IoT application development tools such as Node-RED can be used to develop complex industrial applications as IoT orchestrations. However, in the current state, these applications are bound strictly to devices from specific vendors and ecosystems. They cannot be re-used with devices from other vendors and platforms, since the applications are not semantically interoperable. For this purpose, it is desirable to use platform-independent, vendor-neutral application templates for common automation tasks. However, in the current state in Node-RED such reusable and interoperable application templates cannot be developed. The interoperability problem at the data level can be addressed in IoT, using Semantic Web (SW) technologies. However, for an industrial engineer or an IoT application developer, SW technologies are not very easy to use. In order to enable efficient use of SW technologies to create interoperable IoT applications, novel IoT tools are required. For this purpose, in this paper we propose a novel semantic extension to the widely used Node-RED tool by introducing semantic definitions such as iot.schema.org semantic models into Node-RED. The tool guides a non-expert in semantic technologies such as a device vendor, a machine builder to configure the semantics of a device consistently. Moreover, it also enables an engineer, IoT application developer to design and develop semantically interoperable IoT applications with minimal effort. Our approach accelerates the application development process by introducing novel semantic application templates called Recipes in Node-RED. Using Recipes, complex application development tasks such as skill matching between Recipes and existing things can be automated.We will present the approach to perform automated skill matching on the Cloud or on the Edge of an automation system. We performed quantitative and qualitative evaluation of our approach to test the feasibility and scalability of the approach in real world scenarios. The results of the evaluation are presented and discussed in the paper. / Die Entwicklung des Internet der Dinge (IoT) hat die industrielle Automatisierung revolutioniert. Industrielle Geräte auf allen Ebenen wie Feldgeräte, Steuergeräte, Geräte auf Unternehmensebene usw. sind mit dem Internet verbunden, wodurch problemlos auf sie zugegriffen werden kann. Es hat die Art und Weise, wie Anwendungen auf industriellen Automatisierungssystemen entwickelt werden, deutlich verändert. Es führte zum Paradigmenwechsel, wo neuartige IoT Anwendungsentwicklungstools, wie Node-RED, verwendet werden können, um komplexe industrielle Anwendungen als IoT-Orchestrierungen zu entwickeln. Aktuell sind diese Anwendungen jedoch ausschließlich an Geräte bestimmter Anbieter und Ökosysteme gebunden. Sie können nicht mit Geräten anderer Anbieter und Plattformen verbunden werden, da die Anwendungen nicht semantisch interoperabel sind. Daher ist es wünschenswert, plattformunabhängige, herstellerneutrale Anwendungsvorlagen für allgemeine Automatisierungsaufgaben zu verwenden. Im aktuellen Status von Node-RED können solche wiederverwendbaren und interoperablen Anwendungsvorlagen jedoch nicht entwickelt werden. Diese Interoperabilitätsprobleme auf Datenebene können im IoT mithilfe von Semantic Web (SW) -Technologien behoben werden. Für Ingenieure oder Entwickler von IoT-Anwendungen sind SW-Technologien nicht sehr einfach zu verwenden. Zur Erstellung interoperabler IoT-Anwendungen sind daher neuartige IoT-Tools erforderlich. Zu diesem Zweck schlagen wir eine neuartige semantische Erweiterung des weit verbreiteten Node-RED-Tools vor, indem wir semantische Definitionen wie iot.schema.org in die semantischen Modelle von NODE-Red einführen. Das Tool leitet einen Gerätehersteller oder Maschinebauer, die keine Experten in semantische Technologien sind, an um die Semantik eines Geräts konsistent zu konfigurieren. Darüber hinaus ermöglicht es auch einem Ingenieur oder IoT-Anwendungsentwickler, semantische, interoperable IoT-Anwendungen mit minimalem Aufwand zu entwerfen und entwicklen Unser Ansatz beschleunigt die Anwendungsentwicklungsprozesse durch Einführung neuartiger semantischer Anwendungsvorlagen namens Rezepte für Node-RED. Durch die Verwendung von Rezepten können komplexe Anwendungsentwicklungsaufgaben wie das Abgleichen von Funktionen zwischen Rezepten und vorhandenen Strukturen automatisiert werden. Wir demonstrieren Skill-Matching in der Cloud oder am Industrial Edge eines Automatisierungssystems. Wir haben dafür quantitative und qualitative Bewertung unseres Ansatzes durchgeführt, um die Machbarkeit und Skalierbarkeit des Ansatzes in realen Szenarien zu testen. Die Ergebnisse der Bewertung werden in dieser Arbeit vorgestellt und diskutiert.
13

Die Generation Alpha der Digital Health Innovationen – Eine Fallstudie aus der Multiple Sklerose Versorgung

Schlieter, Hannes, Susky, Marcel, Richter, Peggy, Hickmann, Emily, Scheplitz, Tim, Burwitz, Martin, Ziemssen, Tjalf 01 March 2024 (has links)
Die digitale Transformation im Gesundheitswesen ermöglicht durch die Entwicklung zahlreicher neuer Technologien und Standards eine zunehmend individualisierte, bedarfsgerechte und berufsgruppenübergreifende Versorgung von Patienten. Diese neue Generation von Digital Health Innovationen – die Digital Health Generation Alpha (in Anlehnung an die korrespondierende Alterskohorte) – erfüllt Informations‑, Kommunikations- und Interoperabilitätsanforderungen entlang des gesamten Versorgungsprozesses, die aufgrund von abgegrenzten Leistungs- und Zuständigkeitsbereichen sowie Vergütungsregelungen oft eine unüberwindbare Hürde dargestellt haben. Im Beitrag werden mit der i) Pfadorientierung, ii) Patientenorientierung und -einbeziehung, iii) Qualitätsorientierung und iv) Integrationsfähigkeit vier zentrale Gestaltungsdimensionen von Digital Health Innovationen der Generation Alpha vorgestellt. Diese werden literaturgestützt aufgearbeitet und deren praktische Umsetzung anhand einer Fallstudie im Bereich der Versorgung von Patienten mit Multipler Sklerose aufgezeigt. Zentrale Leitfragen, konkrete Umsetzungsmaßnahmen und literaturgestützte Gestaltungsziele werden anhand eines prototypischen Vorgehensmodells beschrieben. Anhand der Fallstudie werden anschließend Implikationen für die zukünftige Digital Health Agenda abgeleitet, welche insbesondere für die Realisierung innovativer Werteversprechen und deren Integration in komplexe Zielumgebungen des Gesundheitswesens notwendig sind. / Through the development of numerous new technologies and standards the digital health care transformation progressively enables an individualized, need-based, and interprofessional treatment provision. The new generation of digital health innovations—in analogy to the age cohorts, the digital health generation alpha—can therefore fulfill information, communication, and interoperability tasks along the entire care process, that previously often represented an insurmountable challenge. The four design dimensions of digital health generation alpha are introduced: i) pathway orientation, ii) patient orientation and involvement, iii) quality orientation, and iv) integration capability. These are first discussed on basis of current literature and their practical utilization is then demonstrated in a case study on patients with multiple sclerosis. A process model for pathway development is presented that incorporates the four design dimensions and transforms a treatment process into a digital, participative, and integrated care model. Central guiding questions, concrete implementation measures and literature-based design goals are described based on the process model. Finally, implications for the future digital health agenda are derived, which are particularly necessary for the realization of innovative value propositions and their integration into complex healthcare target environments.
14

Interoperability of Traffic Infrastructure Planning and Geospatial Information Systems

Nejatbakhsh Esfahani, Nazereh 01 October 2018 (has links)
Building Information Modelling (BIM) as a Model-based design facilitates to investigate multiple solutions in the infrastructure planning process. The most important reason for implementing model-based design is to help designers and to increase communication between different design parties. It decentralizes and coordinates team collaboration and facilitates faster and lossless project data exchange and management across extended teams and external partners in project lifecycle. Infrastructure are fundamental facilities, services, and installations needed for the functioning of a community or society, such as transportation, roads, communication systems, water and power networks, as well as power plants. Geospatial Information Systems (GIS) as the digital representation of the world are systems for maintaining, managing, modelling, analyzing, and visualizing of the world data including infrastructure. High level infrastructure suits mostly facilitate to analyze the infrastructure design based on the international or user defined standards. Called regulation1-based design, this minimizes errors, reduces costly design conflicts, increases time savings and provides consistent project quality, yet mostly in standalone solutions. Tasks of infrastructure usually require both model based and regulation based design packages. Infrastructure tasks deal with cross-domain information. However, the corresponding data is split in several domain models. Besides infrastructure projects demand a lot of decision makings on governmental as well as on private level considering different data models. Therefore lossless flow of project data as well as documents like regulations across project team, stakeholders, governmental and private level is highly important. Yet infrastructure projects have largely been absent from product modelling discourses for a long time. Thus, as will be explained in chapter 2 interoperability is needed in infrastructure processes. Multimodel (MM) is one of the interoperability methods which enable heterogeneous data models from various domains get bundled together into a container keeping their original format. Existing interoperability methods including existing MM solutions can’t satisfactorily fulfill the typical demands of infrastructure information processes like dynamic data resources and a huge amount of inter model relations. Therefore chapter 3 concept of infrastructure information modelling investigates a method for loose and rule based coupling of exchangeable heterogeneous information spaces. This hypothesis is an extension for the existing MM to a rule-based Multimodel named extended Multimodel (eMM) with semantic rules – instead of static links. The semantic rules will be used to describe relations between data elements of various models dynamically in a link-database. Most of the confusion about geospatial data models arises from their diversity. In some of these data models spatial IDs are the basic identities of entities and in some other data models there are no IDs. That is why in the geospatial data, data structure is more important than data models. There are always spatial indexes that enable accessing to the geodata. The most important unification of data models involved in infrastructure projects is the spatiality. Explained in chapter 4 the method of infrastructure information modelling for interoperation in spatial domains generate interlinks through spatial identity of entities. Match finding through spatial links enables any kind of data models sharing spatial property get interlinked. Through such spatial links each entity receives the spatial information from other data models which is related to the target entity due to sharing equivalent spatial index. This information will be the virtual properties for the object. The thesis uses Nearest Neighborhood algorithm for spatial match finding and performs filtering and refining approaches. For the abstraction of the spatial matching results hierarchical filtering techniques are used for refining the virtual properties. These approaches focus on two main application areas which are product model and Level of Detail (LoD). For the eMM suggested in this thesis a rule based interoperability method between arbitrary data models of spatial domain has been developed. The implementation of this method enables transaction of data in spatial domains run loss less. The system architecture and the implementation which has been applied on the case study of this thesis namely infrastructure and geospatial data models are described in chapter 5. Achieving afore mentioned aims results in reducing the whole project lifecycle costs, increasing reliability of the comprehensive fundamental information, and consequently in independent, cost-effective, aesthetically pleasing, and environmentally sensitive infrastructure design.:ABSTRACT 4 KEYWORDS 7 TABLE OF CONTENT 8 LIST OF FIGURES 9 LIST OF TABLES 11 LIST OF ABBREVIATION 12 INTRODUCTION 13 1.1. A GENERAL VIEW 14 1.2. PROBLEM STATEMENT 15 1.3. OBJECTIVES 17 1.4. APPROACH 18 1.5. STRUCTURE OF THESIS 18 INTEROPERABILITY IN INFRASTRUCTURE ENGINEERING 20 2.1. STATE OF INTEROPERABILITY 21 2.1.1. Interoperability of GIS and BIM 23 2.1.2. Interoperability of GIS and Infrastructure 25 2.2. MAIN CHALLENGES AND RELATED WORK 27 2.3. INFRASTRUCTURE MODELING IN GEOSPATIAL CONTEXT 29 2.3.1. LamdXML: Infrastructure Data Standards 32 2.3.2. CityGML: Geospatial Data Standards 33 2.3.3. LandXML and CityGML 36 2.4. INTEROPERABILITY AND MULTIMODEL TECHNOLOGY 39 2.5. LIMITATIONS OF EXISTING APPROACHES 41 INFRASTRUCTURE INFORMATION MODELLING 44 3.1. MULTI MODEL FOR GEOSPATIAL AND INFRASTRUCTURE DATA MODELS 45 3.2. LINKING APPROACH, QUERYING AND FILTERING 48 3.2.1. Virtual Properties via Link Model 49 3.3. MULTI MODEL AS AN INTERDISCIPLINARY METHOD 52 3.4. USING LEVEL OF DETAIL (LOD) FOR FILTERING 53 SPATIAL MODELLING AND PROCESSING 58 4.1. SPATIAL IDENTIFIERS 59 4.1.1. Spatial Indexes 60 4.1.2. Tree-Based Spatial Indexes 61 4.2. NEAREST NEIGHBORHOOD AS A BASIC LINK METHOD 63 4.3. HIERARCHICAL FILTERING 70 4.4. OTHER FUNCTIONAL LINK METHODS 75 4.5. ADVANCES AND LIMITATIONS OF FUNCTIONAL LINK METHODS 76 IMPLEMENTATION OF THE PROPOSED IIM METHOD 77 5.1. IMPLEMENTATION 78 5.2. CASE STUDY 83 CONCLUSION 89 6.1. SUMMERY 90 6.2. DISCUSSION OF RESULTS 92 6.3. FUTURE WORK 93 BIBLIOGRAPHY 94 7.1. BOOKS AND PAPERS 95 7.2. WEBSITES 101

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