Search Results for author: Nathan Griffiths

Found 4 papers, 1 papers with code

Conceptually Diverse Base Model Selection for Meta-Learners in Concept Drifting Data Streams

1 code implementation29 Nov 2021 Helen McKay, Nathan Griffiths, Phillip Taylor

Our results show that conceptual similarity thresholding has a reduced computational overhead, and yet yields comparable predictive performance to thresholding using predictive performance and MI.

Clustering Ensemble Pruning +2

Explaining reputation assessments

no code implementations15 Jun 2020 Ingrid Nunes, Phillip Taylor, Lina Barakat, Nathan Griffiths, Simon Miles

Reputation is crucial to enabling human or software agents to select among alternative providers.

Attribute

The Predictive Context Tree: Predicting Contexts and Interactions

no code implementations5 Oct 2016 Alasdair Thomason, Nathan Griffiths, Victor Sanchez

The Predictive Context Tree (PCT) is constructed as a hierarchical classifier, capable of predicting both the future locations that a user will visit and the contexts that a user will be immersed within.

Context Trees: Augmenting Geospatial Trajectories with Context

no code implementations14 Jun 2016 Alasdair Thomason, Nathan Griffiths, Victor Sanchez

Summarising user contexts into a single data structure gives easy access to information that would otherwise remain latent, providing the basis for better understanding and predicting the actions and behaviours of individuals and groups.

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