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> 可以用PCA降维，参考：https://kexue.fm/archives/8069 #12

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DaiJitao opened this issue Apr 26, 2021 · 1 comment

DaiJitao commented Apr 26, 2021

可以用PCA降维，参考：https://kexue.fm/archives/8069

好的，我后续试一下这个PCA降维度。
我目前做了一个实验，就是上面截图那样，下载了bert4keras源码，然后新增了一个Dense层，强制把维度修改为300了，然后我在自己的语料上fineturn了一下，计算cos相似度，对同一个句子对，前后对比发现整体cos值变高了

Originally posted by @TestNLP in #11 (comment)

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DaiJitao commented Apr 26, 2021

cos需要输入句子1和句子2的向量吧？才能计算余弦相似度。不明白的地方在于，句子1的向量是直接通过simbert获取的吗？句子2的向量也是通过simbert获取的吗？请问句子1和句子2的向量是如何获取的？

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