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language-models

Sentence and document embeddings

taught

Extending a single word's embedding to a whole sentence or document -- pooling token embeddings or using a model trained specifically to produce one fixed-size vector per passage -- and why this is the representation retrieval systems actually search over.

Taught in

Requires

  • word-embeddings recommended

    deep-learning ch.17 teaches the word-level embedding; this course's sentence/document embeddings are the same vector-space idea at a coarser granularity.

Required by

Nothing in the catalog needs this yet.

Local knowledge map

Local knowledge map

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.