17 lines
801 B
Markdown
17 lines
801 B
Markdown
# Index
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These are components that offer functionality for the [index-service](../services-core/index-service).
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## Indexes
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There are two indexes with accompanying tools for constructing them.
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* [index-forward](index-forward/) is the `document->word` index containing metadata
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about each word, such as its position.
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* [index-reverse](index-reverse/) is the `word->document` index.
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These indices rely heavily on the [libraries/btree](../libraries/btree) and [libraries/array](../libraries/array) components.
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# Libraries
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* [index-query](index-query/) contains structures for evaluating search queries.
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* [index-journal](index-journal/) contains tools for writing and reading index data.
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* [lexicon](lexicon/) contains a mapping between words' string representation and an unique integer identifier. |