Browsing ΣΧΟΛΗ ΜΗΧΑΝΙΚΩΝ by Title

Now showing items 16-35 of 2220

    • Applying graph neural networks for stance detection over online social networks 

      Μοναχέλης, Παναγιώτης (Πανεπιστήμιο Δυτικής Αττικής, 2024-03)
      Fake news has flooded social networks and has been studied from different perspectives. Different methodologies have been proposed to approach this issue. In recent years, researchers have been conducting analyses based ...

    • Applying reinforcement learning algorithms for profitable strategies in a stock market simulator 

      Σταυροθανάσης, Θεόδωρος (Πανεπιστήμιο Δυτικής Αττικής, 2023-10-13)
      Financial time series present unique characteristics that an investor, analyst or algorithmic trader has to take always into account. One of the defining features is their inherent volatility and non-linearity. Unlike many ...

    • Approaches and design for zero-flaring in refineries 

      Χαψιάς, Χρήστος (Πανεπιστήμιο Δυτικής Αττικής, 2021-04-01)
      Gas flaring is the controlled high temperature oxidation process used to burn waste gases containing combustible components. It is unfortunately responsible for severe environmental and health problems and in this paper ...

    • Aria App | LittleOne Edition, η έξυπνη εφαρμογή για τη δημιουργία και αξιολόγηση μοντέλων UNET σε εργασίες κατάτμησης των αγγείων του αμφιβληστροειδούς 

      Ρεζ, Ντάνιελ (Πανεπιστήμιο Δυτικής Αττικής, 2023-09-26)
      Η ακριβής κατάτμηση των αγγείων του αμφιβληστροειδούς αποτελεί ζωτικό βήμα για πολλές ιατρικές εφαρμογές, καθώς χρησιμοποιείται ευρέως για την παρακολούθηση της εξέλιξης της υγείας και την αξιολόγηση διαφόρων οφθαλμολογικών ...

    • Artificial intelligence algorithms in the digital processing of biomedical images 

      Αλεξόπουλος, Νικόλαος (Πανεπιστήμιο Δυτικής Αττικής, 2023-03-10)
      Artificial intelligence has revolutionized the way we process and analyze data, including biomedical images. The present thesis investigates the application of convolutional neural networks (CNNs) for the classification ...

    • Artificial intelligence in pharmaceutical domain (with emphasis on the data quality) 

      Οικονομίδης, Γεώργιος (Πανεπιστήμιο Δυτικής Αττικής, 2022-09-19)
      Over the past decades, computer science has been widely developed. From speech recognition to reconstructing brain circuits to even natural language understanding, one can easily claim that Machine Learning and Deep Learning ...

    • Artificial intelligence in pharmaceutical domain (with emphasis on the data quality). ALCOA prediction from pharmaceutical industry line 

      Καρύδας, Δημήτριος (Πανεπιστήμιο Δυτικής Αττικής, 2022-07)
      We can all imagine the amount of data generated during the procedure of the production of a medicine in a pharmaceutical industry. Data are taken from the import of the raw material to the factory, its analysis until it ...

    • Assessment and comparison of existing methods and datasets for sentiment analysis of Greek texts 

      Φραγκής, Νικόλαος (Πανεπιστήμιο Δυτικής ΑττικήςUniversité de Limoges, 2022-06-30)
      Sentiment Αnalysis is a well-known field of Natural Language Processing that is concerned with text classification. There is a vast number of papers, especially for the English language, that present state-of-the-art results ...

    • Assessment of flow energy harvesting in a duct by means of CFD numerical simulations 

      Benetatos, Marios-Vasileios (Πανεπιστήμιο Δυτικής Αττικής, 2023-03-14)
      Micro-energy harvesting devices are small-scale devices that convert ambient energy from the environment, such as light, heat, or mechanical vibrations, into electrical energy that can be used to power small electronic ...

    • Assistive devices for visually impaired people 

      Γιώργης, Αλέκος (Πανεπιστήμιο Δυτικής Αττικής, 2021-07-13)
      This thesis marks an attempt to better fathom the magnitude of visual impairment as a health issue, the needs of affected individuals, the available assistive technologies and also tries to provide an insight into the ...

    • Augmentation of large language model capabilities with knowledge graphs 

      Τσακαλάκης, Βίκτωρ (Πανεπιστήμιο Δυτικής Αττικής, 2024-03-06)
      This postgraduate thesis explores the possibility for augmentation of the abilities of Large Language Models (LLMs) in the task of Question Answering by incorporating the technique of Retrieval-Augmented Generation (RAG) ...

    • Automatic monitoring of insect fauna at global scales using wireless networks and opto-acoustic sensors 

      Ρηγάκης, Ηρακλής (Πανεπιστήμιο Δυτικής Αττικής, 2023-01-25)
      This thesis introduces novel technological tools related to insects from various angles: hardware platforms that detect and register insect’s presence, data processing techniques and machine learning classification algorithms ...

    • Aνάπτυξη εκπαιδευτικών παιχνιδιών 

      Χαλκιάς, Κωνσταντίνος (Πανεπιστήμιο Δυτικής Αττικής, 2023-07)
      Στην πτυχιακή εργασία κατασκευάστηκε ένα παιχνίδι σοβαρού σκοπού (serious game), δηλαδή ένα παιχνίδι που ο σχεδιασμός του έχει σαν σκοπό να διαχειριστεί ένα πρόβλημα και να ευαισθητοποιήσει τον κόσμο πάνω σε αυτό μέσω ενός ...

    • Beyond 400G. A preliminary study of the 800Gb/s and 1.6Tb/s technologies 

      Φιλίππου, Δημήτριος (Πανεπιστήμιο Δυτικής Αττικής, 2023-01)
      This paper provides a preliminary study of 800Gb/s and 1.6Tb/s Ethernet technologies as a result of the activities of the IEEE 802.3 Beyond 400Gb/s Ethernet Task Force (B400G TF), which was established in January 2021. The ...

    • Blockchain and NFTs 

      Σταματάκης, Δημήτριος (Πανεπιστήμιο Δυτικής Αττικής, 2023-09-29)
      The document begins with an extensive review of blockchain technology, delving into its core principles, applications, and evolution. The literature review also explores the integration of blockchain in the gaming industry, ...

    • Blockchain τεχνολογίες και η εφαρμογή τους σε τερματικούς σταθμούς και λιμένες 

      Μπαϊράμης, Μερκούριος (Πανεπιστήμιο Δυτικής ΑττικήςΠανεπιστήμιο Αιγαίου, 2024-03-26)
      Η Ελληνική εμπορική ναυτιλία ήταν ανέκαθεν ένας τομέας της Εθνικής Οικονομίας στον οποίο η Χώρα παρουσίαζε υψηλές επιδόσεις, όχι μόνο σε περιφερειακό, αλλά σε παγκόσμιο επίπεδο. Η καθυστέρηση ωστόσο της ενσωμάτωσης της ...

    • Bone tissue engineering & regenerative medicine 

      Παπαγεωργίου, Θρασύβουλος-Παναγιώτης (Πανεπιστήμιο Δυτικής Αττικής, 2021-10-07)
      Tissue Engineering comprises an interdisciplinary field that combines the principles of engineering and life sciences to develop biological substitutes that maintain, restore, and improve tissue function. The fundamentals ...

    • C/C++ Vulnerabilities and exploitation techniques 

      Σαρρίδης, Νικόλαος - Αθανάσιος (Πανεπιστήμιο Δυτικής Αττικής, 2023-03-03)
      This thesis focuses on finding, triggering, abusing, explaining, and exploiting common vulnerabilities when writing a C/C++ program, which are related to program security. Someone can take advantage of these vulnerabilities ...

    • Chess position evaluation using neural networks 

      Κάγκας, Δημήτριος (Πανεπιστήμιο Δυτικής Αττικής, 2021-07-22)
      The game of chess is the most widely examined game in the field of artificial intelligence and machine learning. There are many approaches where implementations attempt to substitute parts, or the whole functionality of a ...

    • Cybersecurity in maritime 

      Μιχαλάκης, Ζαχαρίας (Πανεπιστήμιο Δυτικής ΑττικήςState University of MoldovaTechnical University of MoldovaAcademy of Economic Studies of MoldovaAlecu Russo State University of BălțiL. N. Gumilyov Eurasian National University, 2023-01-21)
      The dangers in cyberspace are a new reality that during the last years is threatening the shipping sector as well. In earlier times, cyberspace was not considered at all by the shipping industry as there were other ...