Search Results for author: Sahan Bulathwela

Found 17 papers, 5 papers with code

Auditing Large Language Models for Enhanced Text-Based Stereotype Detection and Probing-Based Bias Evaluation

no code implementations2 Apr 2024 Zekun Wu, Sahan Bulathwela, Maria Perez-Ortiz, Adriano Soares Koshiyama

Recent advancements in Large Language Models (LLMs) have significantly increased their presence in human-facing Artificial Intelligence (AI) applications.

Common Sense Reasoning Text Generation

A Toolbox for Modelling Engagement with Educational Videos

no code implementations30 Dec 2023 Yuxiang Qiu, Karim Djemili, Denis Elezi, Aaneel Shalman, María Pérez-Ortiz, Emine Yilmaz, John Shawe-Taylor, Sahan Bulathwela

With the advancement and utility of Artificial Intelligence (AI), personalising education to a global population could be a cornerstone of new educational systems in the future.

Towards Auditing Large Language Models: Improving Text-based Stereotype Detection

no code implementations23 Nov 2023 Wu Zekun, Sahan Bulathwela, Adriano Soares Koshiyama

In summary, our work establishes a robust and practical framework for auditing and evaluating the stereotypic bias in LLM.

Feature Importance

TrueLearn: A Python Library for Personalised Informational Recommendations with (Implicit) Feedback

no code implementations20 Sep 2023 Yuxiang Qiu, Karim Djemili, Denis Elezi, Aaneel Shalman, María Pérez-Ortiz, Sahan Bulathwela

This work describes the TrueLearn Python library, which contains a family of online learning Bayesian models for building educational (or more generally, informational) recommendation systems.

Recommendation Systems

Scalable Educational Question Generation with Pre-trained Language Models

1 code implementation13 May 2023 Sahan Bulathwela, Hamze Muse, Emine Yilmaz

We develop \textit{EduQG}, a novel educational question generation model built by adapting a large language model.

Language Modelling Large Language Model +2

Pre-Training With Scientific Text Improves Educational Question Generation

no code implementations7 Dec 2022 Hamze Muse, Sahan Bulathwela, Emine Yilmaz

With the boom of digital educational materials and scalable e-learning systems, the potential for realising AI-assisted personalised learning has skyrocketed.

Language Modelling Large Language Model +2

Towards Proactive Information Retrieval in Noisy Text with Wikipedia Concepts

no code implementations18 Oct 2022 Tabish Ahmed, Sahan Bulathwela

Extracting useful information from the user history to clearly understand informational needs is a crucial feature of a proactive information retrieval system.

Entity Linking Information Retrieval +1

Can Population-based Engagement Improve Personalisation? A Novel Dataset and Experiments

no code implementations22 Jun 2022 Sahan Bulathwela, Meghana Verma, Maria Perez-Ortiz, Emine Yilmaz, John Shawe-Taylor

This work explores how population-based engagement prediction can address cold-start at scale in large learning resource collections.

Descriptive

Semantic TrueLearn: Using Semantic Knowledge Graphs in Recommendation Systems

no code implementations8 Dec 2021 Sahan Bulathwela, María Pérez-Ortiz, Emine Yilmaz, John Shawe-Taylor

In informational recommenders, many challenges arise from the need to handle the semantic and hierarchical structure between knowledge areas.

Knowledge Graphs Recommendation Systems

Could AI Democratise Education? Socio-Technical Imaginaries of an EdTech Revolution

no code implementations3 Dec 2021 Sahan Bulathwela, María Pérez-Ortiz, Catherine Holloway, John Shawe-Taylor

Artificial Intelligence (AI) in Education has been said to have the potential for building more personalised curricula, as well as democratising education worldwide and creating a Renaissance of new ways of teaching and learning.

An AI-based Learning Companion Promoting Lifelong Learning Opportunities for All

no code implementations16 Nov 2021 Maria Perez-Ortiz, Erik Novak, Sahan Bulathwela, John Shawe-Taylor

Artifical Intelligence (AI) in Education has great potential for building more personalised curricula, as well as democratising education worldwide and creating a Renaissance of new ways of teaching and learning.

PEEK: A Large Dataset of Learner Engagement with Educational Videos

no code implementations3 Sep 2021 Sahan Bulathwela, Maria Perez-Ortiz, Erik Novak, Emine Yilmaz, John Shawe-Taylor

One of the main challenges in advancing this research direction is the scarcity of large, publicly available datasets.

Recommendation Systems

VLEngagement: A Dataset of Scientific Video Lectures for Evaluating Population-based Engagement

1 code implementation2 Nov 2020 Sahan Bulathwela, Maria Perez-Ortiz, Emine Yilmaz, John Shawe-Taylor

This paper introduces VLEngagement, a novel dataset that consists of content-based and video-specific features extracted from publicly available scientific video lectures and several metrics related to user engagement.

Predicting Engagement in Video Lectures

1 code implementation31 May 2020 Sahan Bulathwela, María Pérez-Ortiz, Aldo Lipani, Emine Yilmaz, John Shawe-Taylor

The explosion of Open Educational Resources (OERs) in the recent years creates the demand for scalable, automatic approaches to process and evaluate OERs, with the end goal of identifying and recommending the most suitable educational materials for learners.

Recommendation Systems

Towards an Integrative Educational Recommender for Lifelong Learners

1 code implementation3 Dec 2019 Sahan Bulathwela, Maria Perez-Ortiz, Emine Yilmaz, John Shawe-Taylor

One of the most ambitious use cases of computer-assisted learning is to build a recommendation system for lifelong learning.

TrueLearn: A Family of Bayesian Algorithms to Match Lifelong Learners to Open Educational Resources

1 code implementation21 Nov 2019 Sahan Bulathwela, Maria Perez-Ortiz, Emine Yilmaz, John Shawe-Taylor

The recent advances in computer-assisted learning systems and the availability of open educational resources today promise a pathway to providing cost-efficient, high-quality education to large masses of learners.

Knowledge Tracing

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