word2vec algorithm
Lectures · 84 · 1 · 11 Jan '21
Hello, I'm afraid I don't understand the word2vec algorithm. For the positive sampling do we jus…
function (matrix) convexity
Lectures · 66 · 1 · 11 Jan '21
Hi, I am a bit confused as to how convexity is defined with respect to 2 matrices Z,W. Even just…
loss function and sgd
Lectures · 100 · 3 · 11 Jan '21
Hello, I remember in the labs sometimes emphasis was placed on how to implement SGD based on the…
log of count for co-occurence matrix
Lectures · 111 · 3 · 7 Jan '21
Hello, If we used log(#occurence) then the sparse count matrix will have lots of undefined log(0…
Cost of ALS
Lectures · 120 · 1 · 4 Jan '21
Hi, I have a few questions regarding the lecture notes of ALS: First of all, what is the cost of…
text classification using matrix factorization
Lectures · 93 · 2 · 29 Dec '20
Hi there :) I was asking myself how to deal with the test set when using matrix factorization. …
GloVe
Lectures · 108 · 2 · 20 Dec '20
Could we learn GloVe word vectors using SVD? If so, what modifications would we have to do? - …