Ion Androutsopoulos
5 papers in the PaperMetrix corpus
Papers by this author
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Probabilistic Cascading for Large Scale Hierarchical Classification
2015 · arXiv (Cornell University)
Hierarchies are frequently used for the organization of objects. Given a hierarchy of classes, two main approaches are used, to automatically classify new instances: flat classification and cascade classification. Flat classification ignores the hierarchy, while …
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Improved Abusive Comment Moderation with User Embeddings
2017
Experimenting with a dataset of approximately 1.6M user comments from a Greek news sports portal, we explore how a state of the art RNN-based moderation method can be improved by adding user embeddings, user type …
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Paragraph-level Rationale Extraction through Regularization: A case study on European Court of Human Rights Cases
2021 · White Rose Research Online (University of Leeds, The University of Sheffield, University of York)
Interpretability or explainability is an emerging research field in NLP. From a user-centric point of view, the goal is to build models that provide proper justification for their decisions, similar to those of humans, by …
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Data Augmentation for Biomedical Factoid Question Answering
2022
We study the effect of seven data augmentation (da) methods in factoid question answering, focusing on the biomedical domain, where obtaining training instances is particularly difficult. We experiment with data from the bioasq challenge, which …
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Deep Relevance Ranking Using Enhanced Document-Query Interactions
2018
We explore several new models for document relevance ranking, building upon the Deep Relevance Matching Model (DRMM) of Unlike DRMM, which uses context-insensitive encodings of terms and query-document term interactions, we inject rich context-sensitive encodings …