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Active Learning with Uncertain Annotators
(kassel university press, 2020)
In the digital age, many applications can benefit from collecting data. Classification algorithms, for example, are used to predict the class labels of samples (also termed data points, instances or observations). However, these methods require labeled instances to be trained on. Active learning is a machine learning paradigm where an active learner has to train a model (e.g., a classifier) which is in principle trained in a supervised way. Active learning has to be done by means of a data set where a low fraction ...
Buch
Beitrag zur Integration und Analyse sicherheitstechnischer Maßnahmen bei der Entwicklung eines kompletten Rechners auf FPGA-Basis
(kassel university press, 2020)
Die enorm große Marktnachfrage nach Managern für funktionale Sicherheit reflektiert, in welchem Maße die funktionale Sicherheit in den letzten Jahren an Bedeutung gewonnen hat. Wird zwei Dekaden zurückgeschaut, dann ist zu sehen, dass diese Wissenschaft für die Luftfahrt- und Prozessindustrie reserviert war. Heute findet sie den Einsatz in fast allen Industriebranchen. Ihren systematischen und rigorosen Charakter hat die funktionale Sicherheit trotz der signifikanten Modifikationen und Anpassungen nicht verloren. Das ...
Working paper
Towards Interdisciplinary Design Patterns for Ubiquitous Computing Applications
(kassel university press, 2014)
Der vorliegende Band ist ein zweiter Technischer Bericht, der aus dem Forschungsschwerpunkt LOEWE-VENUS hervorgegangen ist. Aufbauend auf Band 1 der ITeG Technical Reports, der die VENUS-Entwicklungsmethode als kompletten Entwicklungszyklus vorstellt, wird hier herausgearbeitet, inwieweit Ergebnisse aus der Entwicklung dieser neuen interdisziplinären Gestaltungsmethodik bereits als Vorgaben in Form von Mustern standardisiert und wiederverwendet werden können. Durch diese Muster sozialverträglicher Informationstechn ...
Buch
Off-Board Car Diagnostics Based on Heterogeneous, Highly Imbalanced and High-Dimensional Data Using Machine Learning Techniques
(kassel university press, 2019)
Data-driven maintenance poses many challenges. Four very important of them, namely coping with a high dimensional and heterogeneos feature space, the highly imbalanced data sets, the Remaining Useful Lifetime (RUL) prediction of monitored parts based on short yet variable length timeseries, and already large but steadily further increasing data set size are identified. Each of the challenges is dealt with in one chapter. Novel techniques are designed, implemented, validated, and compared to existing approaches based ...
Buch
Fast Online Control based on Homotopies for Systems subject to Time-Varying Constraints
(kassel university press, 2020)
The integration of intelligent, autonomously acting systems into modern society is a rapidly growing field. After robots are established for simple, recurring processes in industry and everyday life, more complex tasks are of interest which require the systems to consider the environment in their decision making process. In the future, intelligent systems will get access to fields like autonomous driving cars, unmanned aerial vehicle (UAV), manufacturing processes, household, or the assistance to people in need of ...
Buch
Secure Volunteer Computing for Distributed Cryptanalysis
(kassel university press, 2018)
Volunteer computing offers researchers and developers the possibility to distribute their huge computational jobs to the computers of volunteers. So, most of the overall cost for computational power and maintenance is spread across the volunteers. This makes it possible to gain computing resources that otherwise only expensive grids, clusters, or supercomputers offer. Most volunteer computing solutions are based on a client-server model. The server manages the distribution of subjobs to the computers of volunteers, ...
Buch
Data Revocation on the Internet
(kassel university press, 2018)
After publishing data on the Internet, the data publisher loses control over it. However, there are several situations where it is desirable to revoke published information. To support this, the European Commission has elaborated the General Data Protection Regulation (GDPR). In particular, this regulation requires that controllers must delete data on user's demand. However, the data might already have been copied by third parties. Therefore, Article 17 of the GDPR includes the regulation that a controller must also ...
Buch
Distributed Model Predictive Control with Event-Based Communication
(kassel university press, 2015)
In this thesis, several algorithms for distributed model predictive control over digital communication networks with parallel computation are developed and analyzed. Distributed control aims at efficiently controlling large scale dynamical systems which consist of interconnected dynamical systems by means of communicating local controllers. Such distributed control problems arise in applications such as chemical processes, formation control, and control of power grids. In distributed model predictive control the ...
Buch
Modularization of Services
(kassel university press, 2016)
The design and provision of telemedical services which are both, efficient and customer-centric, constitute a huge challenge in the promising field of telemedicine. This dissertation presents an adequate solution. It outlines a systematic approach for the modularization of telemedical services: the SMART method.Following a design science research approach, this method was iteratively designed and evaluated. Thereby, the three overarching research questions could be answered successfully. They address the requirements ...
Buch
Netzpolitik – Entsteht ein Politikfeld für Digitalpolitik?
(kassel university press, 2017)
Wir leben im digitalen Zeitalter. Es gibt fast keinen Bereich der Gesellschaft, der Wirtschaft oder der Politik, den die Digitalisierung nicht auf irgendeine Art und Weise betrifft. Die Entwicklungen verlaufen dabei jedoch nicht vorherbestimmt und technikdeterminiert. Vielmehr bieten sie eine Gestaltungsperspektive und damit auch gesellschaftliche und politische Gestaltungaufgabe. In den letzten Jahren hat sich für die Bearbeitung der mit der Digitalisierung verbundenen Themenfelder auf der politischen Ebene der ...