Search Results for author: Helen Yannakoudakis

Found 45 papers, 19 papers with code

A (More) Realistic Evaluation Setup for Generalisation of Community Models on Malicious Content Detection

1 code implementation2 Apr 2024 Ivo Verhoeven, Pushkar Mishra, Rahel Beloch, Helen Yannakoudakis, Ekaterina Shutova

This mismatch can be partially attributed to the limitations of current evaluation setups that neglect the rapid evolution of online content and the underlying social graph.

Misinformation

On the application of Large Language Models for language teaching and assessment technology

no code implementations17 Jul 2023 Andrew Caines, Luca Benedetto, Shiva Taslimipoor, Christopher Davis, Yuan Gao, Oeistein Andersen, Zheng Yuan, Mark Elliott, Russell Moore, Christopher Bryant, Marek Rei, Helen Yannakoudakis, Andrew Mullooly, Diane Nicholls, Paula Buttery

The recent release of very large language models such as PaLM and GPT-4 has made an unprecedented impact in the popular media and public consciousness, giving rise to a mixture of excitement and fear as to their capabilities and potential uses, and shining a light on natural language processing research which had not previously received so much attention.

Grammatical Error Correction Misinformation +1

Finding the Needle in a Haystack: Unsupervised Rationale Extraction from Long Text Classifiers

no code implementations14 Mar 2023 Kamil Bujel, Andrew Caines, Helen Yannakoudakis, Marek Rei

Long-sequence transformers are designed to improve the representation of longer texts by language models and their performance on downstream document-level tasks.

Document Classification Language Modelling +3

CK-Transformer: Commonsense Knowledge Enhanced Transformers for Referring Expression Comprehension

1 code implementation17 Feb 2023 Zhi Zhang, Helen Yannakoudakis, XianTong Zhen, Ekaterina Shutova

The task of multimodal referring expression comprehension (REC), aiming at localizing an image region described by a natural language expression, has recently received increasing attention within the research comminity.

Referring Expression Referring Expression Comprehension

FewShotTextGCN: K-hop neighborhood regularization for few-shot learning on graphs

no code implementations25 Jan 2023 Niels van der Heijden, Ekaterina Shutova, Helen Yannakoudakis

We present FewShotTextGCN, a novel method designed to effectively utilize the properties of word-document graphs for improved learning in low-resource settings.

Document Classification Few-Shot Learning +2

Scientific and Creative Analogies in Pretrained Language Models

1 code implementation28 Nov 2022 Tamara Czinczoll, Helen Yannakoudakis, Pushkar Mishra, Ekaterina Shutova

This paper examines the encoding of analogy in large-scale pretrained language models, such as BERT and GPT-2.

Learning New Tasks from a Few Examples with Soft-Label Prototypes

1 code implementation31 Oct 2022 Avyav Kumar Singh, Ekaterina Shutova, Helen Yannakoudakis

Existing approaches to few-shot learning in NLP rely on large language models and fine-tuning of these to generalise on out-of-distribution data.

One-Shot Learning

Ruddit: Norms of Offensiveness for English Reddit Comments

1 code implementation ACL 2021 Rishav Hada, Sohi Sudhir, Pushkar Mishra, Helen Yannakoudakis, Saif M. Mohammad, Ekaterina Shutova

On social media platforms, hateful and offensive language negatively impact the mental well-being of users and the participation of people from diverse backgrounds.

Meta-Learning for Fast Cross-Lingual Adaptation in Dependency Parsing

1 code implementation ACL 2022 Anna Langedijk, Verna Dankers, Phillip Lippe, Sander Bos, Bryan Cardenas Guevara, Helen Yannakoudakis, Ekaterina Shutova

Meta-learning, or learning to learn, is a technique that can help to overcome resource scarcity in cross-lingual NLP problems, by enabling fast adaptation to new tasks.

Dependency Parsing Few-Shot Learning

Modeling Users and Online Communities for Abuse Detection: A Position on Ethics and Explainability

no code implementations Findings (EMNLP) 2021 Pushkar Mishra, Helen Yannakoudakis, Ekaterina Shutova

Specifically, we review and analyze the state of the art methods that leverage user or community information to enhance the understanding and detection of abusive language.

Abuse Detection Abusive Language +2

Zero-shot Sequence Labeling for Transformer-based Sentence Classifiers

1 code implementation ACL (RepL4NLP) 2021 Kamil Bujel, Helen Yannakoudakis, Marek Rei

We investigate how sentence-level transformers can be modified into effective sequence labelers at the token level without any direct supervision.

Sentence

The Teacher-Student Chatroom Corpus

no code implementations NLP4CALL (COLING) 2020 Andrew Caines, Helen Yannakoudakis, Helena Edmondson, Helen Allen, Pascual Pérez-Paredes, Bill Byrne, Paula Buttery

The Teacher-Student Chatroom Corpus (TSCC) is a collection of written conversations captured during one-to-one lessons between teachers and learners of English.

Descriptive

Analyzing Neural Discourse Coherence Models

1 code implementation EMNLP (CODI) 2020 Youmna Farag, Josef Valvoda, Helen Yannakoudakis, Ted Briscoe

In this work, we systematically investigate how well current models of coherence can capture aspects of text implicated in discourse organisation.

Grammatical Error Correction in Low Error Density Domains: A New Benchmark and Analyses

no code implementations EMNLP 2020 Simon Flachs, Ophélie Lacroix, Helen Yannakoudakis, Marek Rei, Anders Søgaard

Evaluation of grammatical error correction (GEC) systems has primarily focused on essays written by non-native learners of English, which however is only part of the full spectrum of GEC applications.

Grammatical Error Correction Language Modelling

Meta-Learning with Sparse Experience Replay for Lifelong Language Learning

1 code implementation10 Sep 2020 Nithin Holla, Pushkar Mishra, Helen Yannakoudakis, Ekaterina Shutova

Lifelong learning requires models that can continuously learn from sequential streams of data without suffering catastrophic forgetting due to shifts in data distributions.

Continual Learning Meta-Learning +3

Graph-based Modeling of Online Communities for Fake News Detection

1 code implementation14 Aug 2020 Shantanu Chandra, Pushkar Mishra, Helen Yannakoudakis, Madhav Nimishakavi, Marzieh Saeidi, Ekaterina Shutova

Existing research has modeled the structure, style, content, and patterns in dissemination of online posts, as well as the demographic traits of users who interact with them.

Fake News Detection

Joint Modelling of Emotion and Abusive Language Detection

no code implementations ACL 2020 Santhosh Rajamanickam, Pushkar Mishra, Helen Yannakoudakis, Ekaterina Shutova

The rise of online communication platforms has been accompanied by some undesirable effects, such as the proliferation of aggressive and abusive behaviour online.

Abuse Detection Abusive Language +1

Multi-Task Learning for Coherence Modeling

1 code implementation ACL 2019 Youmna Farag, Helen Yannakoudakis

We address the task of assessing discourse coherence, an aspect of text quality that is essential for many NLP tasks, such as summarization and language assessment.

Multi-Task Learning

Context is Key: Grammatical Error Detection with Contextual Word Representations

1 code implementation WS 2019 Samuel Bell, Helen Yannakoudakis, Marek Rei

Grammatical error detection (GED) in non-native writing requires systems to identify a wide range of errors in text written by language learners.

Grammatical Error Detection

A Simple and Robust Approach to Detecting Subject-Verb Agreement Errors

no code implementations NAACL 2019 Simon Flachs, Oph{\'e}lie Lacroix, Marek Rei, Helen Yannakoudakis, Anders S{\o}gaard

While rule-based detection of subject-verb agreement (SVA) errors is sensitive to syntactic parsing errors and irregularities and exceptions to the main rules, neural sequential labelers have a tendency to overfit their training data.

Learning Outside the Box: Discourse-level Features Improve Metaphor Identification

1 code implementation NAACL 2019 Jesse Mu, Helen Yannakoudakis, Ekaterina Shutova

Most current approaches to metaphor identification use restricted linguistic contexts, e. g. by considering only a verb's arguments or the sentence containing a phrase.

Document Embedding Sentence

Author Profiling for Hate Speech Detection

no code implementations14 Feb 2019 Pushkar Mishra, Marco del Tredici, Helen Yannakoudakis, Ekaterina Shutova

The rapid growth of social media in recent years has fed into some highly undesirable phenomena such as proliferation of abusive and offensive language on the Internet.

16k Hate Speech Detection

Neural Character-based Composition Models for Abuse Detection

no code implementations WS 2018 Pushkar Mishra, Helen Yannakoudakis, Ekaterina Shutova

The current state of the art approaches to abusive language detection, based on recurrent neural networks, do not explicitly address this problem and resort to a generic OOV (out of vocabulary) embedding for unseen words.

Abuse Detection Abusive Language

Author Profiling for Abuse Detection

1 code implementation COLING 2018 Pushkar Mishra, Marco del Tredici, Helen Yannakoudakis, Ekaterina Shutova

The rapid growth of social media in recent years has fed into some highly undesirable phenomena such as proliferation of hateful and offensive language on the Internet.

16k Abuse Detection

Neural Automated Essay Scoring and Coherence Modeling for Adversarially Crafted Input

1 code implementation NAACL 2018 Youmna Farag, Helen Yannakoudakis, Ted Briscoe

We demonstrate that current state-of-the-art approaches to Automated Essay Scoring (AES) are not well-suited to capturing adversarially crafted input of grammatical but incoherent sequences of sentences.

Automated Essay Scoring

Semantic Frames and Visual Scenes: Learning Semantic Role Inventories from Image and Video Descriptions

no code implementations SEMEVAL 2017 Ekaterina Shutova, Andreas Wundsam, Helen Yannakoudakis

Frame-semantic parsing and semantic role labelling, that aim to automatically assign semantic roles to arguments of verbs in a sentence, have become an active strand of research in NLP.

Clustering Semantic Parsing +1

Auxiliary Objectives for Neural Error Detection Models

no code implementations WS 2017 Marek Rei, Helen Yannakoudakis

We investigate the utility of different auxiliary objectives and training strategies within a neural sequence labeling approach to error detection in learner writing.

Grammatical Error Detection

Automatic Text Scoring Using Neural Networks

3 code implementations ACL 2016 Dimitrios Alikaniotis, Helen Yannakoudakis, Marek Rei

Automated Text Scoring (ATS) provides a cost-effective and consistent alternative to human marking.

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