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Add Architecture 101 blurb

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Matthew Honnibal 2017-06-04 13:09:19 +02:00
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//- 💫 DOCS > USAGE > SPACY 101 > ARCHITECTURE
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| The central data structures in spaCy are the #[code Doc] and the #[code Vocab].
| The #[code doc] object owns the sequence of tokens and all their annotations.
| the #[code vocab] owns a set of look-up tables that make common information
| available across documents. By centralising strings, word vectors and lexical
| attributes, we avoid storing multiple copies of this data. This saves memory, and
| ensures there's a single source of truth. Text annotations are also designed to
| allow a single source of truth: the #[code Doc] object owns the data, and
| #[code Span] and #[code Token] are views that point into it. The #[code Doc]
| object is constructed by the #[code Tokenizer], and then modified in-place by
| the components of the pipeline. The #[code Language] object coordinates these
| components. It takes raw text and sends it through the pipeline, returning
| an annotated document. It also orchestrates training and serialisation.