Now showing items 1-9 of 9

  • Coverage-Based Summaries for RDF KBs.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Vasileiou, Ioannis
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2021-04-01
    As more and more data become available as linked data, the need for efficient and effective methods for their exploration becomes apparent. Semantic summaries try to extract meaning from data, while reducing its size. State ...
  • Design and development of a web-based data visualization software for political tendency identification of Twitter’s users using Python Dash Framework.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Britzolakis, Alexandros
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2020-06-11
    The rapid evolution of computers as well as the emerge of the internet brought a new era on the field of communication systems. Many individuals can instantly communicate with each other (through instant messaging or ...
  • Design and implementation of a semantic ontology for the administration departments of primary and secondary education.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Tzagkarakis, Eleftherios
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2020-11-13
    Advances in computers and communications have significantly changed almost every aspect of our daily activity. In this maze of change, governments around the world cannot remain indifferent. Public administration is evolving ...
  • Ramification problem to database systems in SPARQL language.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Kapetanakis, Fanourios
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2023-07-21
    The topic of ramification is concerned with determining the indirect implications of activities. A solution to this problem in database systems allows for reasoning about database dynamics and verification of consistency ...
  • Visualization of outbreaks of mental disorders around the world using Twitter metadata: Covid-19 sentiment analysis.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Mavridi, Anastasia
    Thesis advisor: Papadakis, Nikolaos; Kondylakis, Charidimos
    Publication Date: 2021-03-11
    Due to the nature of the data and public interaction, twitter is becoming more and more useful to understand and model various events. The goal of this work is to use tweets as the information shared by the people to ...
  • Developing a psychoemotional ontology for cancer patients.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Alekos, Efthymios
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2020-05-22
    It is well known that the mental and emotional state of cancer patients plays an important role in the treatment of their disease. In this work an effort is made, building an ontology using Protégé software, which will ...
  • Internet addiction to pre-Adolescent students in the city of Heraklion - emerging risks and how they are treated.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Koutsaki, Eleftheria
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2020-04-15
    In this thesis we will study the risks posed on the internet. We will talk about Internet addiction, we will present the characteristics of an addicted child, we will study the children's habits of their online activities ...
  • Educational ontology for semantic modeling of a learning object.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Skoulataki, Georgia
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2022-10-24
    This paper studies ontology creation in distance education. More, the purpose of the paper is to search for methodologies and the process of developing an educational ontology, as well as to understand them through the ...
  • Use of ontologies in the teaching of physics.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Skoulatakis, Nikolaos
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2022-11-07
    The original idea of the Semantic Web was to bring machine-readable descriptions to the data and documents already on the Web, in order to improve the search and use of data. The web was, and in most cases still is, a vast ...