Search Results for author: Adam Tsakalidis

Found 22 papers, 4 papers with code

Automatic Identification of Ruptures in Transcribed Psychotherapy Sessions

no code implementations NAACL (CLPsych) 2021 Adam Tsakalidis, Dana Atzil-Slonim, Asaf Polakovski, Natalie Shapira, Rivka Tuval-Mashiach, Maria Liakata

We present the first work on automatically capturing alliance rupture in transcribed therapy sessions, trained on the text and self-reported rupture scores from both therapists and clients.

Overview of the CLPsych 2022 Shared Task: Capturing Moments of Change in Longitudinal User Posts

no code implementations NAACL (CLPsych) 2022 Adam Tsakalidis, Jenny Chim, Iman Munire Bilal, Ayah Zirikly, Dana Atzil-Slonim, Federico Nanni, Philip Resnik, Manas Gaur, Kaushik Roy, Becky Inkster, Jeff Leintz, Maria Liakata

We provide an overview of the CLPsych 2022 Shared Task, which focusses on the automatic identification of ‘Moments of Change’ in lon- gitudinal posts by individuals on social media and its connection with information regarding mental health .

Combining Hierachical VAEs with LLMs for clinically meaningful timeline summarisation in social media

no code implementations29 Jan 2024 Jiayu Song, Jenny Chim, Adam Tsakalidis, Julia Ive, Dana Atzil-Slonim, Maria Liakata

We introduce a hybrid abstractive summarisation approach combining hierarchical VAE with LLMs (LlaMA-2) to produce clinically meaningful summaries from social media user timelines, appropriate for mental health monitoring.

Sig-Networks Toolkit: Signature Networks for Longitudinal Language Modelling

1 code implementation6 Dec 2023 Talia Tseriotou, Ryan Sze-Yin Chan, Adam Tsakalidis, Iman Munire Bilal, Elena Kochkina, Terry Lyons, Maria Liakata

We present an open-source, pip installable toolkit, Sig-Networks, the first of its kind for longitudinal language modelling.

Language Modelling

A Digital Language Coherence Marker for Monitoring Dementia

no code implementations14 Oct 2023 Dimitris Gkoumas, Adam Tsakalidis, Maria Liakata

The use of spontaneous language to derive appropriate digital markers has become an emergent, promising and non-intrusive method to diagnose and monitor dementia.

Creation and evaluation of timelines for longitudinal user posts

1 code implementation10 Mar 2023 Anthony Hills, Adam Tsakalidis, Federico Nanni, Ioannis Zachos, Maria Liakata

There is increasing interest to work with user generated content in social media, especially textual posts over time.

Unsupervised Opinion Summarisation in the Wasserstein Space

no code implementations27 Nov 2022 Jiayu Song, Iman Munire Bilal, Adam Tsakalidis, Rob Procter, Maria Liakata

A Variational Autoencoder is used to get the distribution of documents/posts, and the distributions are disentangled into separate semantic and syntactic spaces.

Abstractive Text Summarization

Template-based Abstractive Microblog Opinion Summarisation

no code implementations8 Aug 2022 Iman Munire Bilal, Bo wang, Adam Tsakalidis, Dong Nguyen, Rob Procter, Maria Liakata

We introduce the task of microblog opinion summarisation (MOS) and share a dataset of 3100 gold-standard opinion summaries to facilitate research in this domain.

Identifying Moments of Change from Longitudinal User Text

no code implementations ACL 2022 Adam Tsakalidis, Federico Nanni, Anthony Hills, Jenny Chim, Jiayu Song, Maria Liakata

Identifying changes in individuals' behaviour and mood, as observed via content shared on online platforms, is increasingly gaining importance.

A Longitudinal Multi-modal Dataset for Dementia Monitoring and Diagnosis

no code implementations3 Sep 2021 Dimitris Gkoumas, Bo wang, Adam Tsakalidis, Maria Wolters, Arkaitz Zubiaga, Matthew Purver, Maria Liakata

The corpus consists of spoken conversations, a subset of which are transcribed, as well as typed and written thoughts and associated extra-linguistic information such as pen strokes and keystrokes.

DUKweb: Diachronic word representations from the UK Web Archive corpus

1 code implementation2 Jul 2021 Adam Tsakalidis, Pierpaolo Basile, Marya Bazzi, Mihai Cucuringu, Barbara McGillivray

Lexical semantic change (detecting shifts in the meaning and usage of words) is an important task for social and cultural studies as well as for Natural Language Processing applications.

Change Detection Diachronic Word Embeddings +1

Evaluation of Thematic Coherence in Microblogs

no code implementations ACL 2021 Iman Munire Bilal, Bo wang, Maria Liakata, Rob Procter, Adam Tsakalidis

Here we create a corpus of microblog clusters from three different domains and time windows and define the task of evaluating thematic coherence.

Text Generation

Autoencoding Word Representations through Time for Semantic Change Detection

no code implementations28 Apr 2020 Adam Tsakalidis, Maria Liakata

Semantic change detection concerns the task of identifying words whose meaning has changed over time.

Change Detection

Mining the UK Web Archive for Semantic Change Detection

no code implementations RANLP 2019 Adam Tsakalidis, Marya Bazzi, Mihai Cucuringu, Pierpaolo Basile, Barbara McGillivray

Semantic change detection (i. e., identifying words whose meaning has changed over time) started emerging as a growing area of research over the past decade, with important downstream applications in natural language processing, historical linguistics and computational social science.

Change Detection

Nowcasting the Stance of Social Media Users in a Sudden Vote: The Case of the Greek Referendum

no code implementations26 Aug 2018 Adam Tsakalidis, Nikolaos Aletras, Alexandra I. Cristea, Maria Liakata

Modelling user voting intention in social media is an important research area, with applications in analysing electorate behaviour, online political campaigning and advertising.

Can We Assess Mental Health through Social Media and Smart Devices? Addressing Bias in Methodology and Evaluation

no code implementations19 Jul 2018 Adam Tsakalidis, Maria Liakata, Theo Damoulas, Alexandra I. Cristea

Predicting mental health from smartphone and social media data on a longitudinal basis has recently attracted great interest, with very promising results being reported across many studies.

Combining Heterogeneous User Generated Data to Sense Well-being

no code implementations COLING 2016 Adam Tsakalidis, Maria Liakata, Theo Damoulas, Brigitte Jellinek, Weisi Guo, Alex Cristea, ra

In this paper we address a new problem of predicting affect and well-being scales in a real-world setting of heterogeneous, longitudinal and non-synchronous textual as well as non-linguistic data that can be harvested from on-line media and mobile phones.

Emotion Recognition

Towards Real-Time, Country-Level Location Classification of Worldwide Tweets

1 code implementation25 Apr 2016 Arkaitz Zubiaga, Alex Voss, Rob Procter, Maria Liakata, Bo wang, Adam Tsakalidis

In contrast to much previous work that has focused on location classification of tweets restricted to a specific country, here we undertake the task in a broader context by classifying global tweets at the country level, which is so far unexplored in a real-time scenario.

Classification General Classification

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