Data Science Asked on July 22, 2021
I want to apply a CNN over documents. I have tf-idf vectors of documents with me (one vector per document).
My question is, is 1D CNN applicable in this case? The reason I am asking this question is that I have read 1D convolutions being applied to sequence of vectors and I have sequence of scalars (tf-idf vector) as input in this case, so is it applicable?
In TFIDF representation "neighborhood" is not interpretable. The 1st number in a document vector has just as much relation to the 2nd and to the 100th. While in case of a standard time series or sequence analysis "neighborhood" is interpretable. On the other hand, if you could re-order the TFIDF representation in a way, that makes sense from the analysis perspective (eg: ordering based on the "sentiment" of the word), maybe 1D CNN would show some good results.
Answered by gergelybat on July 22, 2021
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