18 documents found
Dissertation
All rights reserved
2025
Multi criteria authentication in Peer to Peer Systems based on multi dimensional administration graphs
Secure authentication in P2P environments has been a central point of attention, since centralized legal infrastructure don’t exist in those environments. Different works has been introduced providing required facilities to make such a process possible in a secure manner. Most of these concepts propose…
Dissertation
All rights reserved
2025
Concepts for Decentralized Context-Aware Social Networking
As social media continues to influence every aspect of daily life, current social media platforms play a vital role in connecting people, forming relationships, facilitating information exchange, and providing entertainment. However, these platforms face significant challenges, including privacy concerns,…
Dissertation
CC BY 4.0
2025
Deep Spatio-temporal Graph Models for Multifaceted Time Series Forecasting
With advancements in sensing techniques and computing infrastructures, multivariate time series (MTS) data are now widely collected across various domains, such as environment, transportation and energy. As a fundamental task, MTS forecasting (MTSF) is aimed at extracting knowledge from the MTS data…
Dissertation
All rights reserved
2025
Graph-based Clustering Algorithms for Corpora Exploration
With the availability of large amounts of digitally stored data, there is a need for computerized solutions that simplify information retrieval. By applying machine learning clustering methods, objects with similar characteristics can be identified and grouped. In the case of document clustering, the…
Dissertation
All rights reserved
2024
An Auto-Associative Memory with Learning and Oblivion
In der vorliegenden Dissertationsschrift wird ein von der Arbeit des menschlichen Gehirns inspirierter Ansatz zur Erkennung, Abspeicherung und Suche von Sequenzen vorgeschlagen, der sich speziell auf das Lernen von Sequenzen für Anwendungen in der natürliche Sprachverarbeitung bezieht. Dieser basiert…
Dissertation
All rights reserved
2024
Kontextbasierte mobile Ad-Hoc-Netzwerke
Diese Arbeit untersucht das Forschungsgebiet der Mobilen Ad-Hoc-Netzwerke und entwickelt ein dezentrales, mobiles und spontan aufgebautes Netzwerk (MANET) auf Basis von Android-Smartphones, WLAN-Technologien und einer innovativen GeoIP-Adresse. Die GeoIP ist das Hauptmerkmal dieser Arbeit und erweitert…
Dissertation
All rights reserved
2023
Analyzing the Potential of a statistically-based Integer Factorization Method for use in Machine Learning by means of Prime…
Currently, the RSA crypto scheme is considered hard to be compromised since all integer factorization approaches are limited by their hard-coded algorithms. Machine learning might be a possible solution to this problem since smart algorithms can dynamically adjust their search scheme based on statistical…
Dissertation
All rights reserved
2023
Supporting Web Search and Navigation by an Overlay Linking Structure
Search for content in hyperlinked networks and navigation towards specific Web resources or services have been subjects of research since the Internet emerged. One area of research is discovering new content and tracking changes over time, as well as content classification, to later associate content…
Dissertation
All rights reserved
2022
Cooperatively Managing and Exploiting Distributed Co-occurrence Graphs
The property of terms to occur adjacently, or in close vicinity, in text corpora can be expressed by co-occurrence graphs. Such data structures proved to be useful tools to extract semantic information in natural language processing and information retrieval. Particularly when organisations and communities…
Dissertation
All rights reserved
2021
Dezentrale Anwendungen : Operationen auf verteilten Daten
Dezentrale Anwendungen werden, im Gegensatz zu zentralisierten Ansätzen, durch eine Unterstützergemeinschaft betrieben. Diese unterliegen keiner zentralen, kontrollierenden, eventuell sogar bösartigen Instanz. Viele Anwendungsgebiete werden durch dezentrale Ansätze abgedeckt. Beispiele hierfür sind dezentrale…
Dissertation
All rights reserved
2020
Thai Language Segmentation by Automatic Ranking Trie with Misspelling Correction
The objective of this research is to present a high-performance word segmentation algorithm named "Thai Language Segmentation by Automatic Ranking Trie with Misspelling Correction (TLS-ART-MC)," which will be contributed to advanced Natural Language Processing for practical use. New techniques named…
Dissertation
All rights reserved
2019
Editing Encrypted Messages Without Decrypting Nor Understanding Them
Many scientific disquisitions have proposed methods of maintaining IT (Information Technology) security for the processing of sensitive data in outsourced, untrusted, or semi-trusted domains by the means of blind computing. Blind computing in essence dictates that an application processes ciphertext…
Dissertation
All rights reserved
2017
On Trustworthiness Recommendation
Nowadays, people use more and more the Internet and On-line Social Networks as their preferred media for communication as well as business and financial transactions. In particular, the technological progress signifcantly increases possibilities to interact with people over big distances.
However,…
Dissertation
All rights reserved
2012
Dezentrale, kontextbasierte Steuerung der Suche im Internet
Die Auswahl von Suchbegriffen, die einerseits ein Informationsbedürfnis passend beschreiben, aber durch die auch relevante Suchergebnisse gewonnen werden können, spielt besonders bei der Suche im Internet eine große Rolle. Durch die riesige Menge an Informationen im Internet ist es jedoch für Nutzer…
Dissertation
All rights reserved
2012
Perfekt sichere Kommunikation in der Automatisierungstechnik
Kommunikationsnetze der Automatisierungstechnik erfahren aktuell eine Veränderung. Bisher als Insellösungen ausgeführte Netze mit proprietären Bussystemen werden bei Neuanlagen und -maschinen vermehrt mit Ethernet ausgestattet und, z. B. zu Fernwartungszwecken, mit dem Internet verbunden. Solche Netze…
Dissertation
All rights reserved
2012