Sofia Ira Ktena

According to our database, Sofia Ira Ktena authored at least 20 papers between 2015 and 2022.

Collaborative distances:

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

2022

Algorithmic amplification of politics on Twitter.

Ferenc Huszár, Sofia Ira Ktena, Conor O'Brien, Luca Belli, Andrew Schlaikjer, Moritz Hardt

Proc. Natl. Acad. Sci. USA, 2022

2020

Deep Bayesian Bandits: Exploring in Online Personalized Recommendations.

Dalin Guo, Sofia Ira Ktena, Ferenc Huszar, Pranay Kumar Myana, Wenzhe Shi, Alykhan Tejani

CoRR, 2020

Privacy-Preserving Recommender Systems Challenge on Twitter's Home Timeline.

Luca Belli, Sofia Ira Ktena, Alykhan Tejani, Alexandre Lung-Yut-Fong, Frank Portman, Xiao Zhu, Yuanpu Xie, Akshay Gupta, Michael M. Bronstein, Amra Delic, Gabriele Sottocornola, Vito Walter Anelli, Nazareno Andrade, Jessie Smith, Wenzhe Shi

CoRR, 2020

Model Size Reduction Using Frequency Based Double Hashing for Recommender Systems.

Caojin Zhang, Yicun Liu, Yuanpu Xie, Sofia Ira Ktena, Alykhan Tejani, Akshay Gupta, Pranay Kumar Myana, Deepak Dilipkumar, Suvadip Paul, Ikuhiro Ihara, Prasang Upadhyaya, Ferenc Huszar, Wenzhe Shi

Proceedings of the RecSys 2020: Fourteenth ACM Conference on Recommender Systems, 2020

Deep Bayesian Bandits: Exploring in Online Personalized Recommendations.

Dalin Guo, Sofia Ira Ktena, Pranay Kumar Myana, Ferenc Huszar, Wenzhe Shi, Alykhan Tejani, Michael Kneier, Sourav Das

Proceedings of the RecSys 2020: Fourteenth ACM Conference on Recommender Systems, 2020

RecSys 2020 Challenge Workshop: Engagement Prediction on Twitter's Home Timeline.

Vito Walter Anelli, Amra Delic, Gabriele Sottocornola, Jessie Smith, Nazareno Andrade, Luca Belli, Michael M. Bronstein, Akshay Gupta, Sofia Ira Ktena, Alexandre Lung-Yut-Fong, Frank Portman, Alykhan Tejani, Yuanpu Xie, Xiao Zhu, Wenzhe Shi

Proceedings of the RecSys 2020: Fourteenth ACM Conference on Recommender Systems, 2020

2019

Addressing delayed feedback for continuous training with neural networks in CTR prediction.

Sofia Ira Ktena, Alykhan Tejani, Lucas Theis, Pranay Kumar Myana, Deepak Dilipkumar, Ferenc Huszár, Steven Yoo, Wenzhe Shi

Proceedings of the 13th ACM Conference on Recommender Systems, 2019

2018

Computational analysis and modelling of graph-structured neuroimaging data.

Sofia Ira Ktena

PhD thesis, 2018

Metric learning with spectral graph convolutions on brain connectivity networks.

Sofia Ira Ktena, Sarah Parisot, Enzo Ferrante, Martin Rajchl, Matthew C. H. Lee, Ben Glocker, Daniel Rueckert

NeuroImage, 2018

Human brain mapping: A systematic comparison of parcellation methods for the human cerebral cortex.

Salim Arslan, Sofia Ira Ktena, Antonios Makropoulos, Emma C. Robinson, Daniel Rueckert, Sarah Parisot

NeuroImage, 2018

Disease prediction using graph convolutional networks: Application to Autism Spectrum Disorder and Alzheimer's disease.

Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew C. H. Lee, Ricardo Guerrero, Ben Glocker, Daniel Rueckert

Medical Image Anal., 2018

Disease Prediction using Graph Convolutional Networks: Application to Autism Spectrum Disorder and Alzheimer's Disease.

Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew Lee, Ricardo Guerrero, Ben Glocker, Daniel Rueckert

CoRR, 2018

Graph Saliency Maps Through Spectral Convolutional Networks: Application to Sex Classification with Brain Connectivity.

Salim Arslan, Sofia Ira Ktena, Ben Glocker, Daniel Rueckert

Proceedings of the Graphs in Biomedical Image Analysis - and - Integrating Medical Imaging and Non-Imaging Modalities, 2018

2017

A flexible graphical model for multi-modal parcellation of the cortex.

Sarah Parisot, Ben Glocker, Sofia Ira Ktena, Salim Arslan, Markus D. Schirmer, Daniel Rueckert

NeuroImage, 2017

DLTK: State of the Art Reference Implementations for Deep Learning on Medical Images.

Nick Pawlowski, Sofia Ira Ktena, Matthew C. H. Lee, Bernhard Kainz, Daniel Rueckert, Ben Glocker, Martin Rajchl

CoRR, 2017

Spectral Graph Convolutions for Population-Based Disease Prediction.

Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew C. H. Lee, Ricardo Guerrero Moreno, Ben Glocker, Daniel Rueckert

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2017, 2017

Distance Metric Learning Using Graph Convolutional Networks: Application to Functional Brain Networks.

Sofia Ira Ktena, Sarah Parisot, Enzo Ferrante, Martin Rajchl, Matthew C. H. Lee, Ben Glocker, Daniel Rueckert

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2017, 2017

Exploring heritability of functional brain networks with inexact graph matching.

Sofia Ira Ktena, Salim Arslan, Sarah Parisot, Daniel Rueckert

Proceedings of the 14th IEEE International Symposium on Biomedical Imaging, 2017

2016

Comparison of Brain Networks with Unknown Correspondences.

Sofia Ira Ktena, Sarah Parisot, Jonathan Passerat-Palmbach, Daniel Rueckert

CoRR, 2016

2015

A virtual reality platform for safe evaluation and training of natural gaze-based wheelchair driving.

Sofia Ira Ktena, William W. Abbott, A. Aldo Faisal

Proceedings of the 7th International IEEE/EMBS Conference on Neural Engineering, 2015