-
Chapter and Conference Paper
Overview of Multiple User Encryption for Exchange of Private Data via Blockchains
In order to integrate the use of blockchain technologies into the daily routines of companies and institutions, it is essential to securely transmit the data stored and exchanged in these systems. Not only the...
-
Chapter and Conference Paper
Implementation and Evaluation of Blockchain-Based Applications in SMEs’ Supply Chains: Proof-of-Origin and Process Automation
Blockchains are utilized in supply chains of small and medium enterprises in addition to conventional technologies. As part of a research project, two use cases have been implemented, tested and evaluated in p...
-
Chapter and Conference Paper
Performance Evaluation of Quantum-Resistant Cryptography on a Blockchain
Blockchain technologies are charting a promising trajectory, gaining increasing acceptance across various economic sectors due to their exceptional trust levels, underpinned by sophisticated encryption techniq...
-
Chapter and Conference Paper
Proofs and Limitations of the Pathway Protocol
Blockchain technology offers efficient solutions for a multitude of use-cases, but one of the most successful areas in which this technology has been applied is the field of decentralized finance (DeFi). Decen...
-
Chapter and Conference Paper
Evaluation and Comparison of a Private and a Public Blockchain Solution for Use in Supply Chains of SMEs Based on a QOC Analysis
SMEs (Small and Medium Enterprises) are more and more interested in using blockchain technologies nowadays and one of the first questions that arises when dealing with the subject of blockchains is whether to ...
-
Chapter and Conference Paper
Mitigation of Scaling Effects in NTF-Based Ticketing Systems
While cryptocurrencies have seen an enormous upswing in recent years, other technical advantages of the blockchain are also being used more frequently. Particularly in focus is the “Non-Fungible Token” (NFT), ...
-
Chapter and Conference Paper
Prototy** a Smart Contract Application for Fair Reward Distribution in Software Development Projects
The following work describes the development of a project management platform based on the waves blockchain technology. The aim is to use the platform to optimally reward both fairness and the achievement of q...
-
Chapter and Conference Paper
Protection Against Online Fraud Using Blockchain
In this paper we present an application that, by using the blockchain, tries to inform the user about possible fraud attempts on the internet. The application presented is intended to prevent the user from lan...
-
Chapter and Conference Paper
Implementation and Evaluation of a Visual Programming Language in the Context of Blockchain
Programming is not a simple task. Besides, the learning of syntax, the obstacles often seem insurmountable for the beginner. Syntax errors frustrate and distract attention from the actual algorithms and logic ...
-
Chapter and Conference Paper
A Dag Based Decentralized Oracle Model: Implementation and Evaluation
Blockchain comes up to solve centralization problems and to be an alternative solution to traditional finance. This technology seems to be very promising and has proven a big efficiency in ensuring trust among...
-
Chapter and Conference Paper
Decentralized Online Multiplayer Game Based on Blockchains
Decentralized apps offer users significant advantages. One main advantage is that the content belongs to the users. Although decentralized apps have been developed, decentralized multiplayer games have still b...
-
Chapter and Conference Paper
Implementation and Evaluation of a Visual Query Language in the Context of Blockchain
Visual programming has become a term that stands for intuitive software development. It dispenses largely with textual notation and instead uses graphical program modules. The use of visual techniques is conne...
-
Chapter
Adaption and Introduction of German Sewer Inspection Technology in China
-
Article
Open AccessThe performance of some machine learning approaches and a rich context model in student answer prediction
Web-based learning systems with adaptive capabilities to personalize content are becoming nowadays a trend in order to offer interactive learning materials to cope with a wide diversity of students attending o...
-
Article
Open AccessPlant, space and time - linked together in an integrative and scalable data management system for phenomic approaches in agronomic field trials
To ensure further genetic gain, genomic approaches in plant breeding rely on precise phenotypic data, describing plant structure, function and performance. A more precise characterization of the environment wi...
-
Chapter and Conference Paper
Analysis of Costs for Smart Contract Execution
This work analyses the differences in Gas cost consumption for the execution of individual functions between the two Smart Contract (SC) programming languages Solidity and Vyper. For this purpose, SCs for the ...
-
Chapter and Conference Paper
Do Smart Contract Languages Need to Be Turing Complete?
Blockchain based systems become more and more prominent. While starting by develo** (crypto)currency payment schemes, a lot of the latest development goes in the direction of executing source code directly i...
-
Chapter and Conference Paper
Person Tracking in Heavy Industry Environments with Camera Images
In this paper, we propose a method to localise and track persons in heavy industry environments with multiple cameras. Using the OpenPose network, we localise the persons feet points on each cameras image indi...
-
Chapter and Conference Paper
Navigating a Heavy Industry Environment Using Augmented Reality - A Comparison of Two Indoor Navigation Designs
The fourth industrial revolution seeks to enhance and optimize industrial processes through digital systems. However, such systems need to meet special criteria for usability and task support, ensuring users’...
-
Chapter
Towards an Architectural Approach to Supporting Collaborative Seamless Learning Experiences
In recent years, educational practitioners and learning technologists have been designing, develo** and deploying a wide range of innovative environments to enhance meaningful, seamless and exciting learning...
