Is Anisotropy Truly Harmful? A Case Study on Text Clustering (2023.acl-short)

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Challenge: Contextualized pre-trained representations are widely used as input to various tasks such as information retrieval, anomaly detection and document clustering.
Approach: They propose to examine the impact of different transformations on isotropy and performance to assess the true impact of anisotropi.
Outcome: The proposed model is based on a clustering task and shows that it has limited impact on expressiveness and closeness.

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