« Représentation sémantique compacte » : différence entre les versions


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== Termes privilégiés ==
== Français ==


   
   

Version du 31 décembre 2018 à 14:45

Domaine

Vocabulary Apprentissage profond

Définition

Français

Anglais

Embedding

An embedding maps an input representation, such as a word or sentence, into a vector. A popular type of embedding are word embeddings such as word2vec or GloVe. We can also embed sentences, paragraphs or images. For example, by mapping images and their textual descriptions into a common embedding space and minimizing the distance between them, we can match labels with images. Embeddings can be learned explicitly, such as in word2vec, or as part of a supervised task, such as Sentiment Analysis. Often, the input layer of a network is initialized with pre-trained embeddings, which are then fine-tuned to the task at hand.