title: Contextual Knowledge Distillation for Transformer Compression
abstract: A computationally expensive and memory intensive neural network lies behind the recent success of language representation learning. Knowledge distillation, a major technique for deploying such a vast language model in resource-scarce environments, transfers the knowledge on individual word representations learned without restrictions. In this paper, inspired by the recent observations that language representations are relatively positioned and have more semantic knowledge as a whole, we present a new knowledge distillation strategy for language representation learning that transfers the contextual knowledge via two types of relationships across representations: Word Relation and Layer Transforming Relation. We validate the effectiveness of our method on challenging benchmarks of language understanding tasks. The code will be released.
authors: Geondo Park Gyeongman Kim Eunho Yang
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