Benevolentai Technology Limited

Amir Alamdari

Paidi Creed

Aaron Sim

Joss Briody

Daniel Neil

Alix Lacoste

Methods and apparatus are provided for generating a graph neural network (GNN) model based on an entity-entity graph. The entity-entity graph comprising a plurality of entity nodes in which each entity node is connected to one or more entity nodes of the plurality of entity nodes by one or more corresponding relationship edges. The method comprising: generating an embedding based on data representative of the entity-entity graph for the GNN model, wherein the embedding comprises an attention weight assigned to each relationship edge of the entity-entity graph; and updating weights of the GNN model including the attention weights by minimising a loss function associated with at least the embedding; wherein the attention weights indicate the relevancy of each relationship edge between entity nodes of the entity-entity graph. The entity-entity graph may be filtered based on the attention weights of a trained GNN model. The filtered entity-entity graph may be used to update the GNN model or train another GNN model. The trained GNN model may be used to predict link relationship between a first entity and a second entity associated with the entity-entity graph.

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London, United Kingdom

Amir Alamdari