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With the rapid development of natural language processing (NLP) models in the last decade came the realization that high performance levels on test sets do not imply that a model robustly generalizes to a wide range of scenarios. Hupkes et al. review generalization approaches in the NLP literature and propose a taxonomy based on five axes to analyse such studies: motivation, type of generalization, type of data shift, the source of this data shift, and the locus of the shift within the modelling pipeline.
The number of publications in artificial intelligence (AI) has been increasing exponentially and staying on top of progress in the field is a challenging task. Krenn and colleagues model the evolution of the growing AI literature as a semantic network and use it to benchmark several machine learning methods that can predict promising research directions in AI.
Training a deep neural network can be costly but training time is reduced when a pre-trained network can be adapted to different use cases. Ideally, only a small number of parameters needs to be changed in this process of fine-tuning, which can then be more easily distributed. In this Analysis, different methods of fine-tuning with only a small number of parameters are compared on a large set of natural language processing tasks.
