Vassilios S. Verykios
Hellenic Open University
239 Papers
2.8K Citations
Vassilios S. Verykios is an academic researcher from Hellenic Open University. The author has contributed to research in topics: Computer science & Record linkage. The author has an hindex of 28, co-authored 168 publications. Previous affiliations of Vassilios S. Verykios include Purdue University & Research Academic Computer Technology Institute.
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Papers
Exploiting Properties of Student Networks to Enhance Learning in Distance Education
Rozita Tsoni,Evgenia Paxinou,Aris Gkoulalas-Divanis,Dimitrios Karapiperis,D. Kalles,Vassilios S. Verykios +5 more
TL;DR: This work aims to propose an analysis model that can capture the students’ behaviors in a distance learning course delivered fully online, based on the clickstream data associated with the discussion forum, and to suggest interpretable patterns that will support education administrators and tutors in the decision-making process.
1
Empowering Affect-Aware Systems by Monitoring Mouse Speed and Acceleration
Katerina Tzafilkou,Dimitrios Karapiperis,Vassilios S. Verykios +2 more
- 26 Sep 2022
TL;DR: By analyzing speed and acceleration data, it is possible to make efficient predictions of a user's emotional state in different web activities by measuring a person's negative emotional state through solely mouse cursor data ofspeed and acceleration.
1
On the Testability of Purely Recursive Digital Filters
Anastasios Vergis,Anastasios Vergis,Vassilios S. Verykios,Vassilios S. Verykios +3 more
- 04 Jul 1994
TL;DR: A method for generating tests for purely recursive digital filters that derive a test sequence for the application of test vectors from a predetermined single-cell test set to all the cells of an N th order filter.
1
A Tool for Developing Instructional Digital Comic Strips with Associated Learning Objectives
Fotis Lazarinis,Vassilios S. Verykios,Chris Panagiotakopoulos +2 more
- 01 Jan 2015
TL;DR: The design of the tool, which enables educators to edit comic strips and associate educational goals to each one of them, is presented and the results of an evaluation experiment are presented.
1
Automated ML Techniques for Predicting COVID-19 Mortality in the ICU
A. Sakagianni,Christina Koufopoulou,Dimitris Kalles,Evangelos Loupelis,Vassilios S. Verykios,Georgios Feretzakis +5 more
- 29 Jun 2023
TL;DR: In this paper , the authors used the Google Vertex AI platform to evaluate its performance in predicting ICU mortality, and on the other hand to show the ease with which even non-experts can make prognostic models.