Figure shows the confusion matrix of the fully fine-tuned MatSciBERT model. It can be seen that the model misses out on predicting the class "Mechanism" the most, 81 entities of type "Mechanism" were predicted as "O" (Outside)-tokens, i.e. background, by the model. Another interesting confusion shown by the model is predicting entities of type "Defect" and "Microstructure" as "Damage". The confusion between "MechanicalTest-Parameter" and "PhysicalQuantity" is another notable confusion present in the model. The origin of these confusions will be analyzed in the discussion section.