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PCI 2021: Volos, Greece
- Michael Vassilakopoulos, Nikitas N. Karanikolas, George Stamoulis, Vassilios S. Verykios, Cleo Sgouropoulou:

PCI 2021: 25th Pan-Hellenic Conference on Informatics, Volos, Greece, November 26 - 28, 2021. ACM 2021, ISBN 978-1-4503-9555-7
Main Track
- Theofanis I. Aravanis

:
Relevance-Sensitive Belief Revision in the Realm of Partial Preorders. 1-5 - Nikos Petrellis:

Exploring Feature Correlation in Plant Disease Diagnosis: A Smart Phone Application for Tomato Disorder Classification. 6-11 - Andreas Chouliaras, Evangelia Fragkou

, Dimitrios Katsaros:
Feed Forward Neural Network Sparsificationwith Dynamic Pruning. 12-17 - Athanasios Ioannis Arvanitidis, Dimitrios Bargiotas:

Use of Artificial Neural Networks for Short Term Load Forecasting. 18-22 - Vaios Stergiopoulos, Thalia Tsianaka, Eleni Tousidou

:
AMiner Citation-Data Preprocessing for Recommender Systems on Scientific Publications. 23-27 - Georgios Alexandridis, Konstantinos Korovesis, Iraklis Varlamis, Panagiotis Tsantilas, George Caridakis

:
Emotion detection on Greek social media using Bidirectional Encoder Representations from Transformers. 28-32 - Christos Chronis, Christos Sardianos, Iraklis Varlamis, Dimitrios Michail, Konstantinos Tserpes:

A driving profile recommender system for autonomous driving using sensor data and reinforcement learning. 33-38 - Spyros Vosinakis, Vasiliki Nikolakopoulou, Giorgos Nikopoulos, Labros Fragkedis, Modestos Stavrakis

, Nikolaos Politopoulos, Panayiotis Koutsabasis:
Designing Mixed Reality Experiences that Provide Views to the Past: Reviving the Operation of an Industrial Olive Oil Factory. 39-44 - Nick Iliadis, Stergios Palamas

, Phivos Mylonas:
Implementation and study of user strategies within a custom video game environment. 45-51 - Panagiotis Valatsos, Thanasis Vafeiadis, Alexandros Nizamis

, Dimosthenis Ioannidis, Dimitrios Tzovaras
:
Freight transportation route time prediction with ensemble learning techniques. 52-57 - Dimitrios Manolakis, Georgios Spanos

, Ioannis Refanidis:
Shallow Neural Networks beat Deep Neural Networks trained with transfer learning: A Use Case based on training Neural Networks to identify Covid-19 in chest X-ray images. 58-62 - Christos Goumopoulos, Georgios Skikos, Christos Karapapas

, Maria Frounta, Georgios Koumanakos:
Applying Serious Games and Machine Learning for Cognitive Training and Screening: the COGNIPLAT Approach. 63-68 - Vasileios Tsoukas, Eleni Boumpa

, Georgios Giannakas, Athanasios Kakarountas:
A Review of Machine Learning and TinyML in Healthcare. 69-73 - Sotirios Salakos, Nikolaos Ploskas:

Analysis and Comparison of Binary and Interpolation Search Algorithms in a B-tree. 74-78 - Vasileios Balafas

, Nikolaos Ploskas:
Computational Comparison of Deep Learning Algorithms for Object Detection. 79-83 - Stylianos Voutsinas

, Dimitrios Karolidis, Ioannis Voyiatzis, Maria Samarakou:
Development of a fault detection algorithm for Photovoltaic Systems. 84-87 - Stylianos Voutsinas

, Dimitrios Karolidis, Ioannis Voyiatzis, Maria Samarakou:
Development of an IoT Structural Damage Monitoring system. 88-91 - Alexandra Bousia, Aspassia Daskalopulu

:
Double Auction Offloading: Challenges and Opportunities for Energy Efficient Telecommunication Networks. 92-97 - Vasiliki Giannou, Basilis Mamalis:

Utilizing Fog Computing for the Efficient Support of Innovative Teaching Scenarios in Primary and Secondary Education. 98-101 - Petros Amanatidis, George Iosifidis, Dimitris Karampatzakis:

Comparative Evaluation of Machine Learning Inference Machines on Edge-class Devices. 102-106 - George Mavrommatis

, Panagiotis Moutafis
, Antonio Corral:
Enhancing the SliceNBound Algorithm for the Closest-Pairs Query with Binary Space Partitioning. 107-112 - Georgios Akritidis, Christos Katsanos:

Effect of Potential Issues Flagged by Automated Tools on Web Accessibility Evaluation Results: A Case Study on University Department Websites. 113-117 - Konstantinos Angelopoulos, George-Othon Glentis

:
Nonparametric Spectral Estimation - An overview. 118-123 - Leontios Sotiriadis, Basilis Mamalis, Grammati E. Pantziou:

Stable and Secure Clustering for Internet of Vehicles with RSU-assisted Maintenance and Trust Management. 124-129 - Dimitris G. Tsarmpopoulos, Christina D. Nikolakakou

, George S. Androulakis:
Solving LP problems using the ranking of the ratio of constraints' coefficients. 130-133 - Antonios N. Dadaliaris

, Antonios Tragoudaras, George K. Kranas
, Michael F. Dossis, Georgios Dimitriou:
Juxtaposing Vivado Design Flows in Batch Mode. 134-137 - Rozita Tsoni

, Vasilios Zorkadis, Vassilios S. Verykios:
A Data Pipeline to Preserve Privacy in Educational Settings. 138-142 - Antigoni Panagiotopoulou, Eleni Charou, Konstantinos Poirazidis, Yorghos Voutos

, Aristotelis Martinis, Lazaros Grammatikopoulos
, Eleni Petsa, Emmanuel Bratsolis, Phivos Mylonas:
Deep-Learning Based Super-Resolution of Sentinel-2 Images for Monitoring Supercentenarian Olive Trees. 143-148 - Alexandros Vassiliades, Ilias Papadimitriou, Nick Bassiliades, Theodore Patkos:

Visual Gorgias: A Mechanism for the Visualization of an Argumentation Dialogue. 149-154 - Panos Fitsilis, Angelika I. Kokkinaki:

Smart Cities Body of Knowledge. 155-159 - Iakovos Stratigakis, Theodoros Amanatidis, Christina Volioti, George Kakarontzas, Thrasyvoulos Tsiatsos, Ioannis Stamelos, Charalampos Avratoglou, Apostolos Ampatzoglou, Alexander Chatzigeorgiou, Dimitris Folinas:

A low-cost AR assistant component architecture for Warehouse Management Systems. 160-166 - Dimitrios Loukatos

, Maria Kondoyanni, Konstantinos G. Arvanitis:
Automatic Fruit Picking: An Entry-level, in Scale, Approach for Cyber Physical Systems Understanding. 167-171 - Konstantinos Angelopoulos, George-Othon Glentis

:
Fast convolution and correlation computational methods in leakage localization applications. 172-177 - Katerina Vgena, Aikaterini-Georgia Mavroeidi

, Angeliki Kitsiou, Christos Kalloniatis:
Can social gamification and privacy co-exist? Identifying the major concerns. 178-183 - Panagiotis Papagiannopoulos, Christos Aridas, Yiannis Kanellopoulos, Christos Makris:

Towards Discrimination-Free Classification via Fairness-Aware Bagging. 184-189 - Nikolaos Maniatis, Georgios Alexandridis, Konstantinos Korovesis, Iraklis Varlamis, Panagiotis Tsantilas, George Michael Klimis

, George Caridakis
:
Bibliometrics for Measuring Social Media Influence: Evaluating the use of h-Index as a ranking metric of Twitter users' influence. 190-194 - Christos Kompogiannis, Maria Sapounaki, Athanasios Kakarountas:

Development of a Neuromorphic Circuit in Reconfigurable Technology for the Simulation of Synapses. 195-199 - Alexandros Tremopoulos, George E. Raptis, Christos Katsanos:

WhatShapeWhatColor: Designing a Puzzle Game to Elicit the Field Dependence-Independence Cognitive Style. 200-205 - Alexandros Mitsou, Evaggelos Spyrou, Theodoros Giannakopoulos:

Multimodal Workplace Monitoring for Human Activity Recognition. 206-211 - Helena G. Theodoropoulou, Chairi Kiourt, Natasa Michailidou, George Alexios Ioannakis, Paraskevi Motsiou, Yiannis Mourthos, Anestis Koutsoudis, George Pavlidis, Despoina Tsiafaki

:
Three Gods in Eleusis: Discovering Tangible and Intangible Cultural Heritage of Ancient Eleusis. 212-217 - Niki Kyriakou, Euripidis N. Loukis, Ioanna Damianou:

Social Media Use and Absorptive Capacity of Greek Food & Beverage Firms. 218-223 - Emmanouil Karantoumanis, Xristos Krallis, Nikolaos Ploskas:

An experimental evaluation of sensors on a LoRaWAN-based GPS tracking system. 224-228 - Charis Ntakolia

, Christos Kokkotis, Serafeim P. Moustakidis, Elpiniki Papageorgiou:
An explainable machine learning pipeline for backorder prediction in inventory management systems. 229-234 - Georgia Rokkou, Nikolaos Spatiotis, Vasilis Triantafyllou, Michael Paraskevas:

A new approach applying Sentiment Analysis in Greek Language. 235-241 - Ioannis Kwnsantinos Galanakis, Athanasios Milidonis, Ioannis Voyiatzis:

A high performance architecture for object detection in drones. 242-246 - Athanasios Tzimourtas, Spyros Bakalakos, Panagiota Tselenti

, Athanasios Voulodimos:
An exploration on text classification using machine learning techniques. 247-249 - Ioannis Ballas

, Vassilios Tsakanikas, Evaggelos Pefanis, Vassilios Tampakas:
On Exploring the Optimum Configuration of Apache Spark Framework in Heterogeneous Clusters. 250-253 - Paraskevi Tsoutsa

, Panos Fitsilis, Omiros Iatrellis:
Towards an Ontology for Smart City Competences. 254-259 - Efstathia Chioteli, Ioannis Batas

, Diomidis Spinellis
:
Does Unit-Tested Code Crash? A Case Study of Eclipse. 260-264 - Thomas K. Dasaklis, Theodore G. Voutsinas, Athanassios Mihiotis:

Integrating blockchain with Enterprise Resource Planning systems: benefits and challenges. 265-270 - Niki Kyriakou, Euripidis N. Loukis, Alexandra Papanikou:

Economic Crisis and Enterprise Systems Adoption. 271-275 - Apostolos Skouloudakis, Eleni Christopoulou:

Participatory Budgeting: Combining Smart Cities and Open Data. 276-282 - Nikos Pappas, Panagiotis Oikonomou, Nikos Tziritas, Kostas Kolomvatsos, Thanasis Loukopoulos:

Bin Packing Heuristics for the Multiple Workflow Scheduling Problem. 283-288 - Natalia Panagou, Panagiotis Belememis, Panos K. Papadopoulos, Maria G. Koziri, Thanasis Loukopoulos:

Fast Rules to Speedup HEVC to VVC Transcoding. 289-293 - Panagiotis Oikonomou, Nikos Tziritas, Kostas Kolomvatsos, Thanasis Loukopoulos:

Fast Heuristics for Mixed Fleet Capacitated Multiple TSP with Applications to Location Based Games and Drone Assisted Transportation. 294-299 - Alexandros Angelou, Antonios N. Dadaliaris

, Michael F. Dossis, Georgios Dimitriou:
Branchless Code Generation for Modern Processor Architectures. 300-305 - Theodore Maikantis, Theodore Chaikalis, Apostolos Ampatzoglou, Alexander Chatzigeorgiou:

SmartCLIDE: Shortening the Toolchain of SOA-based Cloud Software Development by Automating Service Creation, Composition, Testing, and Deployment. 306-311 - Dimitrios Bountas, Nestor E. Evmorfopoulos

, George Dimitriou, Antonios N. Dadaliaris
, George Floros
, Georgios I. Stamoulis:
Statistical Estimation of Leakage Power Bounds in CMOS VLSI Circuits. 312-317 - Dimitrios Psilias, Athanasios Milidonis, Ioannis Voyiatzis:

Secure Video Transmission System for UAV Applications. 318-322 - Evgenia Gkini, Ioannis Voyiatzis, Cleo Sgouropoulou:

Head-Mounted Display Systems as Visual Aids for the Visually Impaired: A Survey. 323-327
CSCI/UITSI (Cyber Security of Critical Infrastructures/Urban and IT Security - the Interplay)
- Stylianos Karagiannis

, Alexandros Tokatlis, Sotiris Pelekis
, Michael Kontoulis
, George Doukas, Christos Ntanos
, Emmanouil Magkos:
A-DEMO: ATT&CK Documentation, Emulation and Mitigation Operations: Deploying and Documenting Realistic Cyberattack Scenarios - A Rootkit Case Study. 328-333 - Shareeful Islam, Spyridon Papastergiou, Haralambos Mouratidis:

A Dynamic Cyber Security Situational Awareness Framework for Healthcare ICT Infrastructures. 334-339 - Vasileios Dimitriadis, Leandros Maglaras

, Nineta Polemi, Ioanna Kantzavelou, Nick Ayres:
Uncuffed: A Blockchain-based Secure Messaging System. 340-345 - Aikaterini Chalkiadaki, Christos Mourgelas, Dimitrios Psilias, Athanasios Milidonis, Ioannis Voyiatzis:

A survey for UAV open-source telemetry protocols. 346-351 - Konstantinos Charmanas

, Nikolaos Mittas, Lefteris Angelis:
Predicting the existence of exploitation concepts linked to software vulnerabilities using text mining. 352-356 - Athanasios Sersemis

, Alexandros I. Papadopoulos, Georgios Spanos
, Antonios Lalas, Konstantinos Votis, Dimitrios Tzovaras
:
A Novel Cybersecurity Architecture for IoV Communication. 357-361 - Vasileios Vlachos

, Gerasimos Katevas, Ioannis Katsidimas, Emmanouil Kerimakis, Sotiris E. Nikoletseas, Stefanos Panagiotou, Paul G. Spirakis:
ASPIDA: An Observatory for Security and Privacy in the Greek e-Business Sector. 362-368 - Christina P. Katsini, George E. Raptis, Christos Alexakos, Dimitrios Serpanos:

FoRePlan: Supporting Digital Forensics Readiness Planning for Internet of Vehicles. 369-374 - Célia Martinie, Christos Grigoriadis, Eleni-Maria Kalogeraki, Panayiotis Kotzanikolaou

:
Modelling Human Tasks to Enhance Threat Identification in Critical Maritime Systems. 375-380
QCCF (Quantum Computing: Current State and Future Trends)
- Sergey Gushanskiy, Viktor Potapov, Alexey Samoylov:

Research of Quantum Neural Networks and Development of a Single-qubit Model of Neuron. 381-385 - Valery Pukhovsky, Sergey Gushanskiy, Viktor Potapov:

Developing a Hardware Approach to Simulating Quantum Computing Using an Optimization Algorithm. 386-391 - Maria Sabani, Ilias Galanis, Ilias K. Savvas

, Georgia Garani
:
Implementation of Shor's Algorithm and Reliability of Quantum Computing Devices. 392-396 - Maria Avramouli, Ilias K. Savvas

, Georgia Garani
, Anna Vasilaki
:
Quantum Machine Learning: Current State and Challenges. 397-402 - Dimitrios Ntalaperas, Konstantinos Prousalis, Nikos Konofaos:

A Model for Encoding Multiple Logical Qubit States into the Energy Eigenstates of a Transmon System. 403-406
RDI (Retrieval and Dissemination of Information)
- Panteleimon Krasadakis

, Evangelos Sakkopoulos, Vassilios S. Verykios:
A Natural Language Processing Survey on Legislative and Greek Documents. 407-412 - Vassilios S. Verykios, Dimitrios Karapiperis:

Entity Resolution in Dissimilarity Spaces. 413-418 - Konstantinos Stakoulas, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis:

An Analysis of User Profiles from Covid-19 Questions in Stack Overflow. 419-424 - Georgios Patsoulis, Rafail Promikyridis

, Efthimios Tambouris:
Integration of chatbots with Knowledge Graphs in eGovernment: The case of Getting a Passport. 425-429 - Eirini Manga, Nikitas Karanikolas, Catherine Marinagi, Christos Skourlas:

Evaluating Citizen Comments in Public Consultations Using Data Mining: Evaluating Citizen Comments in Public Consultations Using Data Mining: Analyzing Legislation Comments for the Greek General Commercial Registry. 430-435 - Alkiviadis Tsimpiris, Dimitrios Varsamis, Charalampos Strouthopoulos, George Pavlidis, Chairi Kiourt:

Open-source OCR Engine Integration with Greek Dictionary. 436-441
SCSE (Soft Computing in Software Engineering)
- Kiriakos Alexiou, Efthimios Pariotis, Theodoros Zannis

, Stylianos Polyzos, Helen C. Leligou:
Comparative evaluation of Machine Learning algorithms and Physical based models for the prediction of Vessel Speed in real life applications. 442-447 - George K. Sidiropoulos

, Chairi Kiourt, Vasileios Sevetlidis, George Pavlidis:
Shaping the Behavior of Reinforcement Learning Agents. 448-453 - Christos Bazinas, Eleni Vrochidou

, Chris Lytridis, Vassilis G. Kaburlasos:
Yield Estimation in Vineyards Using Intervals' Numbers Techniques. 454-459 - Efthymios N. Lallas, Ilias Santouridis, Georgios Mountzouris, Vassilis C. Gerogiannis

, Anthony Karageorgos:
An Ontology based Conceptualization of Data Integrity Regulatory Compliance in Pharmaceutical Industry: The SPuMoNI Case. 460-465 - Dimitrios Tzimos

, Vassilis C. Gerogiannis
, Le Hoang Son, Anthony Karageorgos:
A Recommender System based on Intuitionistic Fuzzy Sets for Software Requirements Prioritization. 466-471
IHMS (Intelligent Hospital Management Systems)
- Prosper Kandabongee Yeng, Muhammad Ali Fauzi, Bian Yang:

Assessing the effect of human factors in healthcare cyber security practice: An empirical study. 472-476 - Rafail Nikoviotis, Dimitrios Ringas:

Self-care Diabetes: a diabetes self-management application based on the seven self-management areas (AADE7) of the American Association of Diabetes Educators. 477-482 - Nikolaos I. Papandrianos, Anna Feleki, Elpiniki Papageorgiou:

Exploring Classification of SPECT MPI images applying convolutional neural networks. 483-489 - Smaranda Nafsika Ketseridou, Evangelos Logaras, Antonis Billis

, Maria Zouka, Barbara Fyntanidou, Panagiotis D. Bamidis:
AI-driven prediction for the disposition of medium-risk incidents visiting emergency departments. 490-494 - Theodoros Karvounidis, Dimitrios Kallergis, Zacharenia Garofalaki

, Christos Douligeris:
A Methodology for Adopting Security Management Principles in Health Sector Environments. 495-499

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