Search Results for author: Anthony Hunter

Found 22 papers, 5 papers with code

Unsupervised Learning of Graph from Recipes

no code implementations22 Jan 2024 Aissatou Diallo, Antonis Bikakis, Luke Dickens, Anthony Hunter, Rob Miller

We iteratively learn the graph structure and the parameters of a $\mathsf{GNN}$ encoding the texts (text-to-graph) one sequence at a time while providing the supervision by decoding the graph into text (graph-to-text) and comparing the generated text to the input.

PizzaCommonSense: Learning to Model Commonsense Reasoning about Intermediate Steps in Cooking Recipes

no code implementations12 Jan 2024 Aissatou Diallo, Antonis Bikakis, Luke Dickens, Anthony Hunter, Rob Miller

Decoding the core of procedural texts, exemplified by cooking recipes, is crucial for intelligent reasoning and instruction automation.

Text Generation

Identifying Linear Relational Concepts in Large Language Models

2 code implementations15 Nov 2023 David Chanin, Anthony Hunter, Oana-Maria Camburu

Transformer language models (LMs) have been shown to represent concepts as directions in the latent space of hidden activations.

Object

Some Options for Instantiation of Bipolar Argument Graphs with Deductive Arguments

no code implementations8 Aug 2023 Anthony Hunter

Argument graphs provide an abstract representation of an argumentative situation.

A Graphical Formalism for Commonsense Reasoning with Recipes

no code implementations15 Jun 2023 Antonis Bikakis, Aissatou Diallo, Luke Dickens, Anthony Hunter, Rob Miller

Whilst cooking is a very important human activity, there has been little consideration given to how we can formalize recipes for use in a reasoning framework.

Neuro-symbolic Commonsense Social Reasoning

3 code implementations14 Mar 2023 David Chanin, Anthony Hunter

We present a novel system for taking social rules of thumb (ROTs) in natural language from the Social Chemistry 101 dataset and converting them to first-order logic where reasoning is performed using a neuro-symbolic theorem prover.

Sentence

Automated tabulation of clinical trial results: A joint entity and relation extraction approach with transformer-based language representations

1 code implementation10 Dec 2021 Jetsun Whitton, Anthony Hunter

However, it relies on labour-intensive systematic reviews, where domain specialists must aggregate and extract information from thousands of publications, primarily of randomised controlled trial (RCT) results, into evidence tables.

Joint Entity and Relation Extraction named-entity-recognition +3

Machine Learning for Utility Prediction in Argument-Based Computational Persuasion

1 code implementation9 Dec 2021 Ivan Donadello, Anthony Hunter, Stefano Teso, Mauro Dragoni

and (2) How can we identify for a new user the best utility function from amongst those that we have learned?

BIG-bench Machine Learning

Repurposing of Resources: from Everyday Problem Solving through to Crisis Management

no code implementations17 Sep 2021 Antonis Bikakis, Luke Dickens, Anthony Hunter, Rob Miller

Repurposing arises in everyday situations such as finding substitutes for missing ingredients when cooking, or for unavailable tools when doing DIY.

Management

Polynomial-time Updates of Epistemic States in a Fragment of Probabilistic Epistemic Argumentation (Technical Report)

no code implementations12 Jun 2019 Nico Potyka, Sylwia Polberg, Anthony Hunter

Probabilistic epistemic argumentation allows for reasoning about argumentation problems in a way that is well founded by probability theory.

Impact of Argument Type and Concerns in Argumentation with a Chatbot

no code implementations2 May 2019 Lisa A. Chalaguine, Anthony Hunter, Fiona L. Hamilton, Henry W. W. Potts

Conversational agents, also known as chatbots, are versatile tools that have the potential of being used in dialogical argumentation.

Chatbot Vocal Bursts Type Prediction

Non-monotonic Reasoning in Deductive Argumentation

no code implementations4 Sep 2018 Anthony Hunter

Nonetheless, there are issues in capturing defeasible reasoning in argumentation including choice of base logic and modelling of defeasible knowledge.

Argument Harvesting Using Chatbots

no code implementations11 May 2018 Lisa A. Chalaguine, Anthony Hunter, Henry W. W. Potts, Fiona L. Hamilton

We describe the architecture of the chatbot, provide methods for managing a corpus of arguments and counterarguments, and an evaluation of our approach in a case study concerning attitudes of women to participation in sport.

Argument Mining Chatbot

Domain Modelling in Computational Persuasion for Behaviour Change in Healthcare

no code implementations27 Feb 2018 Lisa Chalaguine, Emmanuel Hadoux, Fiona Hamilton, Andrew Hayward, Anthony Hunter, Sylwia Polberg, Henry W. W. Potts

At the core of this proposal is an ontology which provides a representation of key factors, in particular kinds of belief, which we have identified in the behaviour change literature as being important in diverse behaviour change initiatives.

Epistemic Graphs for Representing and Reasoning with Positive and Negative Influences of Arguments

no code implementations21 Feb 2018 Anthony Hunter, Sylwia Polberg, Matthias Thimm

Furthermore, the flexibility of the epistemic approach allows us to both model the rationale behind the existing semantics as well as completely deviate from them when required.

Specificity

Measuring Inconsistency in Argument Graphs

no code implementations9 Aug 2017 Anthony Hunter

There have been a number of developments in measuring inconsistency in logic-based representations of knowledge.

Abstract Argumentation

Empirical Evaluation of Abstract Argumentation: Supporting the Need for Bipolar and Probabilistic Approaches

no code implementations28 Jul 2017 Sylwia Polberg, Anthony Hunter

It is equipped with a wide range of postulates, including those that do not make any restrictions concerning how initial arguments should be viewed, thus potentially being more adequate for handling beliefs of the people that have not fully disclosed their opinions in comparison to Dung's semantics.

Abstract Argumentation

Encoding monotonic multi-set preferences using CI-nets: preliminary report

no code implementations9 Nov 2016 Martin Diller, Anthony Hunter

CP-nets and their variants constitute one of the main AI approaches for specifying and reasoning about preferences.

Extraction of evidence tables from abstracts of randomized clinical trials using a maximum entropy classifier and global constraints

2 code implementations17 Sep 2015 Antonio Trenta, Anthony Hunter, Sebastian Riedel

An evidence table has columns for the patient group, for each of the interventions being compared, for the criterion for the comparison (e. g. proportion who survived after 5 years from treatment), and for each of the results.

Analysis of Dialogical Argumentation via Finite State Machines

no code implementations29 Apr 2014 Anthony Hunter

We also consider how the finite state machines can be analysed, with the minimax strategy being used as an illustration of the kinds of empirical analysis that can be undertaken.

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