Sofia Ira Ktena

29 papers A 4Journal 18Unranked 6

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	On the Risk of Misleading Reports: Diagnosing Textual Biases in Multimodal Clinical AI. Agentic AI/CREATE/Clinical MLLMs@MICCAI David S. Restrepo, Sofia Ira Ktena, Maria Vakalopoulou, Stergios Christodoulidis, Enzo Ferrante
2025	J	`jnl`	On the Risk of Misleading Reports: Diagnosing Textual Biases in Multimodal Clinical AI. CoRR David S. Restrepo, Sofia Ira Ktena, Maria Vakalopoulou, Stergios Christodoulidis, Enzo Ferrante
2022	J	`jnl`	Algorithmic amplification of politics on Twitter. Proc. Natl. Acad. Sci. USA Ferenc Huszár, Sofia Ira Ktena, Conor O'Brien, Luca Belli, Andrew Schlaikjer, Moritz Hardt
2021	J	`jnl`	Algorithmic Amplification of Politics on Twitter. CoRR Ferenc Huszár, Sofia Ira Ktena, Conor O'Brien, Luca Belli, Andrew Schlaikjer, Moritz Hardt
2020	A	`conf`	Deep Bayesian Bandits: Exploring in Online Personalized Recommendations. RecSys Dalin Guo, Sofia Ira Ktena, Pranay Kumar Myana, Ferenc Huszar, Wenzhe Shi, Alykhan Tejani, Michael Kneier, Sourav Das
2020	J	`jnl`	Deep Bayesian Bandits: Exploring in Online Personalized Recommendations. CoRR Dalin Guo, Sofia Ira Ktena, Ferenc Huszar, Pranay Kumar Myana, Wenzhe Shi, Alykhan Tejani
2020	A	`conf`	Model Size Reduction Using Frequency Based Double Hashing for Recommender Systems. RecSys 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
2020	J	`jnl`	Model Size Reduction Using Frequency Based Double Hashing for Recommender Systems. CoRR 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
2020	J	`jnl`	Privacy-Preserving Recommender Systems Challenge on Twitter's Home Timeline. CoRR 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
2020	A	`conf`	RecSys 2020 Challenge Workshop: Engagement Prediction on Twitter's Home Timeline. RecSys 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
2019	J	`jnl`	Addressing Delayed Feedback for Continuous Training with Neural Networks in CTR prediction. CoRR Sofia Ira Ktena, Alykhan Tejani, Lucas Theis, Pranay Kumar Myana, Deepak Dilipkumar, Ferenc Huszar, Steven Yoo, Wenzhe Shi
2019	A	`conf`	Addressing delayed feedback for continuous training with neural networks in CTR prediction. RecSys Sofia Ira Ktena, Alykhan Tejani, Lucas Theis, Pranay Kumar Myana, Deepak Dilipkumar, Ferenc Huszár, Steven Yoo, Wenzhe Shi
2018	—	`—`	Computational analysis and modelling of graph-structured neuroimaging data. Sofia Ira Ktena
2018	J	`jnl`	Disease Prediction using Graph Convolutional Networks: Application to Autism Spectrum Disorder and Alzheimer's Disease. CoRR Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew Lee, Ricardo Guerrero, Ben Glocker, Daniel Rueckert
2018	J	`jnl`	Disease prediction using graph convolutional networks: Application to Autism Spectrum Disorder and Alzheimer's disease. Medical Image Anal. Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew C. H. Lee, Ricardo Guerrero, Ben Glocker, Daniel Rueckert
2018	—	`conf`	Graph Saliency Maps Through Spectral Convolutional Networks: Application to Sex Classification with Brain Connectivity. GRAIL/Beyond-MIC@MICCAI Salim Arslan, Sofia Ira Ktena, Ben Glocker, Daniel Rueckert
2018	J	`jnl`	Graph Saliency Maps through Spectral Convolutional Networks: Application to Sex Classification with Brain Connectivity. CoRR Salim Arslan, Sofia Ira Ktena, Ben Glocker, Daniel Rueckert
2018	J	`jnl`	Human brain mapping: A systematic comparison of parcellation methods for the human cerebral cortex. NeuroImage Salim Arslan, Sofia Ira Ktena, Antonios Makropoulos, Emma C. Robinson, Daniel Rueckert, Sarah Parisot
2018	J	`jnl`	Metric learning with spectral graph convolutions on brain connectivity networks. NeuroImage Sofia Ira Ktena, Sarah Parisot, Enzo Ferrante, Martin Rajchl, Matthew C. H. Lee, Ben Glocker, Daniel Rueckert
2017	J	`jnl`	A flexible graphical model for multi-modal parcellation of the cortex. NeuroImage Sarah Parisot, Ben Glocker, Sofia Ira Ktena, Salim Arslan, Markus D. Schirmer, Daniel Rueckert
2017	J	`jnl`	DLTK: State of the Art Reference Implementations for Deep Learning on Medical Images. CoRR Nick Pawlowski, Sofia Ira Ktena, Matthew C. H. Lee, Bernhard Kainz, Daniel Rueckert, Ben Glocker, Martin Rajchl
2017	—	`conf`	Distance Metric Learning Using Graph Convolutional Networks: Application to Functional Brain Networks. MICCAI (1) Sofia Ira Ktena, Sarah Parisot, Enzo Ferrante, Martin Rajchl, Matthew C. H. Lee, Ben Glocker, Daniel Rueckert
2017	J	`jnl`	Distance Metric Learning using Graph Convolutional Networks: Application to Functional Brain Networks. CoRR Sofia Ira Ktena, Sarah Parisot, Enzo Ferrante, Martin Rajchl, Matthew C. H. Lee, Ben Glocker, Daniel Rueckert
2017	J	`jnl`	Exploring Heritability of Functional Brain Networks with Inexact Graph Matching. CoRR Sofia Ira Ktena, Salim Arslan, Sarah Parisot, Daniel Rueckert
2017	—	`conf`	Exploring heritability of functional brain networks with inexact graph matching. ISBI Sofia Ira Ktena, Salim Arslan, Sarah Parisot, Daniel Rueckert
2017	—	`conf`	Spectral Graph Convolutions for Population-Based Disease Prediction. MICCAI (3) Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew C. H. Lee, Ricardo Guerrero Moreno, Ben Glocker, Daniel Rueckert
2017	J	`jnl`	Spectral Graph Convolutions for Population-based Disease Prediction. CoRR Sarah Parisot, Sofia Ira Ktena, Enzo Ferrante, Matthew C. H. Lee, Ricardo Guerrero Moreno, Ben Glocker, Daniel Rueckert
2016	J	`jnl`	Comparison of Brain Networks with Unknown Correspondences. CoRR Sofia Ira Ktena, Sarah Parisot, Jonathan Passerat-Palmbach, Daniel Rueckert
2015	—	`conf`	A virtual reality platform for safe evaluation and training of natural gaze-based wheelchair driving. NER Sofia Ira Ktena, William W. Abbott, A. Aldo Faisal