Search Results for author: Charanpal Dhanjal

Found 6 papers, 0 papers with code

Metrics and methods for a systematic comparison of fairness-aware machine learning algorithms

no code implementations8 Oct 2020 Gareth P. Jones, James M. Hickey, Pietro G. Di Stefano, Charanpal Dhanjal, Laura C. Stoddart, Vlasios Vasileiou

We found that fairness-unaware algorithms typically fail to produce adequately fair models and that the simplest algorithms are not necessarily the fairest ones.

BIG-bench Machine Learning Fairness

AUC Optimisation and Collaborative Filtering

no code implementations25 Aug 2015 Charanpal Dhanjal, Romaric Gaudel, Stephan Clemencon

With this in mind, we propose a class of objective functions over matrix factorisations which primarily represent a smooth surrogate for the real AUC, and in a special case we show how to prioritise the top of the list.

Collaborative Filtering Recommendation Systems

An SIR Graph Growth Model for the Epidemics of Communicable Diseases

no code implementations9 Dec 2013 Charanpal Dhanjal, Stéphan Clémençon

It is the main purpose of this paper to introduce a graph-valued stochastic process in order to model the spread of a communicable infectious disease.

Learning Reputation in an Authorship Network

no code implementations25 Nov 2013 Charanpal Dhanjal, Stéphan Clémençon

The idea is to use Latent Semantic Indexing (LSI) and Latent Dirichlet Allocation (LDA) to perform topic modelling in order to find authors who have worked in a query field.

Topic Models

Efficient Eigen-updating for Spectral Graph Clustering

no code implementations7 Jan 2013 Charanpal Dhanjal, Romaric Gaudel, Stéphan Clémençon

Namely, the method promoted in this article can be viewed as an incremental eigenvalue solution for the spectral clustering method described by Ng.

Clustering Graph Clustering +1

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