About Me
My name is Giannis Haralabopoulos. I am a computer scientist from Greece, interested in Natural Language Processing, Machine Learning, Human Computer Interaction and Data Science. I currently work as a Research Fellow at the University of Nottingham.
My early studies were completed in the beautiful island of Samos at the University of the Aegean, from where I received my B.Sc. in Mathematics, 2009, and my M.Sc. in Computer Science, 2011. I received my Ph.D. from University of Thessaly in 2016 under Prof. Anagnostopoulos. My thesis title was "Online social networks: real-time graph sampling, multilayered information diffusion, and equality issues".
My Ph.D. contributions were the introduction of a novel sampling method for Social Networks and a novel cross domain diffusion analysis. I also outlined the need for online privacy and equality that could be achieved only through anonymity. As a post-doc, I have contributed to: crowdsourcing, with a new subjective evaluation and a demographic analysis for NLP tasks, NLP ML tasks, with the development of novel multilabel ensembles, and privacy aware NLP, with the introduction of innovating text labelling methods. My most recent publications deal with subjectivity in machine learning, privacy-aware data collection, natural language data augmentation and deep learning applications in medicine.
You can find my publications and a selection of conferences, images and datasets below. Clicking on the title of a publication will redirect you to its hosting domain. On the bottom of the page you will find my contact details and links for social and academic media.
Publications
"Sepsis Deterioration Prediction Using Channelled Long Short-Term Memory Networks"
Peter Svenson et. al
Keywords: Sepsis, Machine Learning, Long Short Term Memory Networks
"Objective Assessment of Subjective Tasks in Crowdsourcing Applications"
Giannis Haralabopoulos et al.
Keywords: Crowdsourcing, Subjectivity, Labelling
"Ensemble Deep Learning for Multilabel Binary Classification of User-Generated Content"
Giannis Haralabopoulos et al.
Keywords: Machine Learning, Natural Language Processing, Long Short Term Memory Networks
"Paid Crowdsourcing, Low Income Contributors, and Subjectivity"
Giannis Haralabopoulos et al.
Keywords: Crowdsourcing, Subjectivity, Demographics
"Studying topical relevance with evidence-based crowdsourcing"
Oana Inel et. al
Keywords: Information Retrieval Evaluation, Crowdsourcing, TREC
"A Multivalued Emotion Lexicon Created and Evaluated by the Crowd"
Giannis Haralabopoulos et al.
Keywords: Crowdsourcing, Emotion Recognition, Sentiment Analysis
"Defining principles for mobile apps and platforms development in citizen science"
Ulrike Sturm et. al
Keywords: Citizen Science, Digital Technologies, Design
"Viral content propagation in Online Social Networks"
Giannis Haralabopoulos, Ioannis Anagnostopoulos, Sherali Zeadally
Keywords: Online Social Networks, Virality, Diļ¬usion
"Crowdsourcing for Beyond Polarity Sentiment Analysis A Pure Emotion Lexicon"
Giannis Haralabopoulos, Elena Simperl
Keywords: Beyond Polarity, Pure Sentiment, Crowdsourcing
"The Challenge of Improving Credibility of User-Generated Content in Online Social Networks"
Giannis Haralabopoulos, Ioannis Anagnostopoulos, Sherali Zeadally
Keywords: User-generated content, information quality, credibility
"Online social networks: real-time graph sampling, multilayered information diffusion, and equality issues"
Giannis Haralabopoulos
Keywords: Online Social Networks, Graph Sampling and Analysis, Information diffusion, Online equality and bias
"Lifespan and propagation of information in On-line Social Networks: A case study based on Reddit"
Giannis Haralabopoulos, Ioannis Anagnostopoulos, Sherali Zeadally
Keywords: Virality, Online Social Network (OSN),Information flow
"An Anonymous Social Network of Opinions"
Giannis Haralabopoulos
Keywords: Online Social Networks, Anonymity, Graphs
"Real time enhanced random sampling of online social networks"
Giannis Haralabopoulos, Ioannis Anagnostopoulos
Keywords: Graph sampling, Random node sampling, Social networks
"A comparable study employing weka clustering/classification algorithms for web page classification"
Giannis Haralabopoulos, Ioannis Anagnostopoulos
Keywords: Classification, Clustering, WEKA