Is Deep Learning Really Necessary for Word Embeddings?
Word embeddings resulting from neural language models have been shown to be successful for a large variety of NLP tasks. However, such architecture might be difficult to train and time-consuming. Instead, we propose to drastically sim- plify the word embeddings computation through a Hellinger PCA of the word co-occurence matrix. We compare those new word embeddings with some well- known embeddings on NER and movie review tasks and show that we can reach similar or even better performance. Although deep learning is not really necessary for generating good word embeddings, we show that it can provide an easy way to adapt embeddings to specific tasks.
Lebret_Idiap-RR-44-2013.pdf
openaccess
596.41 KB
Adobe PDF
de3cbf7a73008ee60324b40a0a7f7105