luyug / Condenser

EMNLP 2021 - Pre-training architectures for dense retrieval

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What is exactly is CONdition of Condensor?

hmthanh opened this issue · comments

As title, I already read paper but still confused about the Condition of CLS token.
What is exactly is CONdition of Condensor?

If you take a closer look at the design of the head Transformer layers, the MLM prediction has an explicit conditioning/dependency on the CLS vector from the backbone LM.