Ioannis A. Sarafis

According to our database, Ioannis A. Sarafis authored at least 21 papers between 2002 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Food Image Classification and Segmentation with Attention-Based Multiple Instance Learning.

Valasia Vlachopoulou, Ioannis A. Sarafis, Alexandros Papadopoulos

Proceedings of the 18th International Workshop on Semantic and Social Media Adaptation and Personalization, 2023

2022

Intake Monitoring in Free-Living Conditions: Overview and Lessons we Have Learned.

Christos Diou, Konstantinos Kyritsis, Vasileios Papapanagiotou, Ioannis A. Sarafis

CoRR, 2022

2020

BigO: A public health decision support system for measuring obesogenic behaviors of children in relation to their local environment.

Christos Diou, Ioannis A. Sarafis, Vassilis Papapanagiotou, Leonidas Alagialoglou, Irini Lekka, Dimitrios Filos, Leandros Stefanopoulos, Vasileios Kilintzis, Christos Maramis, Youla Karavidopoulou, Nicos Maglaveras, Ioannis Ioakimidis, Evangelia Charmandari, Penio Kassari, Athanasia Tragomalou, Monica Mars, Thien-An Ngoc Nguyen, M. Tahar Kechadi, Shane O' Donnell, Gerardine Doyle, Sarah Browne, Grace O' Malley, Rachel Heimeier, Katerina Riviou, Evangelia Koukoula, Konstantinos Filis, Maria Hassapidou, Ioannis Pagkalos, Daniel Ferri, Isabel Pérez, Anastasios Delopoulos

CoRR, 2020

Inferring the Spatial Distribution of Physical Activity in Children Population from Characteristics of the Environment.

Ioannis A. Sarafis, Christos Diou, Vasileios Papapanagiotou, Leonidas Alagialoglou, Anastasios Delopoulos

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

Collecting big behavioral data for measuring behavior against obesity.

Vasileios Papapanagiotou, Ioannis A. Sarafis, Christos Diou, Ioannis Ioakimidis, Evangelia Charmandari, Anastasios Delopoulos

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

BigO: A public health decision support system for measuring obesogenic behaviors of children in relation to their local environment.

Christos Diou, Ioannis A. Sarafis, Vasileios Papapanagiotou, Leonidas Alagialoglou, Irini Lekka, Dimitrios Filos, Leandros Stefanopoulos, Vasileios Kilintzis, Christos Maramis, Youla Karavidopoulou, Nikolaos Maglaveras, Ioannis Ioakimidis, Evangelia Charmandari, Penio Kassari, Athanasia Tragomalou, Monica Mars, Thien-An Ngoc Nguyen, M. Tahar Kechadi, Shane O' Donnell, Gerardine Doyle, Sarah Browne, Grace O' Malley, Rachel Heimeier, Katerina Riviou, Evangelia Koukoula, Konstantinos Filis, Maria Hassapidou, Ioannis Pagkalos, Daniel Ferri, Isabel Pérez, Anastasios Delopoulos

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

2019

A Methodology for Obtaining Objective Measurements of Population Obesogenic Behaviors in Relation to the Environment.

Christos Diou, Ioannis A. Sarafis, Vasileios Papapanagiotou, Ioannis Ioakimidis, Anastasios Delopoulos

CoRR, 2019

Behaviour Profiles for Evidence-based Policies Against Obesity.

Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos

Proceedings of the 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2019

2018

Span error bound for weighted SVM with applications in hyperparameter selection.

Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos

CoRR, 2018

Personalised meal eating behaviour analysis via semi-supervised learning.

Alexandros Papadopoulos, Konstantinos Kyritsis, Ioannis A. Sarafis, Anastasios Delopoulos

Proceedings of the 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2018

2017

Data-driven assessments for sensor measurements of eating behavior.

Christos Diou, Ioannis A. Sarafis, Ioannis Ioakimidis, Anastasios Delopoulos

Proceedings of the 2017 IEEE EMBS International Conference on Biomedical & Health Informatics, 2017

2016

Online training of concept detectors for image retrieval using streaming clickthrough data.

Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos

Eng. Appl. Artif. Intell., 2016

2015

Building effective SVM concept detectors from clickthrough data for large-scale image retrieval.

Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos

Int. J. Multim. Inf. Retr., 2015

2014

CAROTID - A web-based platform for optimal personalized management of atherosclerotic patients.

Aimilia Gastounioti, Vasileios D. Kolias, Spyretta Golemati, Nikolaos N. Tsiaparas, Aikaterini I. Matsakou, John S. Stoitsis, Nikolaos P. E. Kadoglou, Christos Gkekas, John D. Kakisis, Christos D. Liapis, Petros Karakitsos, Ioannis A. Sarafis, Pantelis Angelidis, Konstantina S. Nikita

Comput. Methods Programs Biomed., 2014

Building Robust Concept Detectors from Clickthrough Data: A Study in the MSR-Bing Dataset.

Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos

Proceedings of the 9th International Workshop on Semantic and Social Media Adaptation and Personalization, 2014

Weighted SVM from clickthrough data for image retrieval.

Ioannis A. Sarafis, Christos Diou, Theodora Tsikrika, Anastasios Delopoulos

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2007

NOCEA: A rule-based evolutionary algorithm for efficient and effective clustering of massive high-dimensional databases.

Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Zalzala

Appl. Soft Comput., 2007

2005

Data mining clustering of high dimensional databases with evolutionary algorithms.

Ioannis A. Sarafis

PhD thesis, 2005

2003

Mining Comprehensible Clustering Rules with an Evolutionary Algorithm.

Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Zalzala

Proceedings of the Genetic and Evolutionary Computation, 2003

Towards effective subspace clustering with an evolutionary algorithm.

Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Zalzala

Proceedings of the IEEE Congress on Evolutionary Computation, 2003

2002

A genetic rule-based data clustering toolkit.

Ioannis A. Sarafis, Ali M. S. Zalzala, Philip W. Trinder

Proceedings of the 2002 Congress on Evolutionary Computation, 2002