21 lines
971 B
Markdown
21 lines
971 B
Markdown
The index construction process is responsible for creating the indexes
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used by the search engine.
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There are three types of indexes:
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* The forward index, which maps documents to words.
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* The full reverse index, which maps words to documents; and includes all words.
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* The priority reverse index, which maps words to documents; but includes only the most "important" words (such as
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those appearing in the title, or with especially high TF-IDF scores).
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This is a very light-weight module that delegates the actual work to the modules:
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* [features-index/index-reverse](../../features-index/index-reverse)
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* [features-index/index-forward](../../features-index/index-forward)
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Their respective readme files contain more information about the indexes themselves
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and how they are constructed.
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The process is glued together within [IndexConstructorMain](src/main/java/nu/marginalia/index/IndexConstructorMain.java),
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which is the only class of interest in this module.
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