# Hyperlinking and Suggestions

Hyperlinking refers to the ability for IDOL to connect related documents to results. This is implemented with the `Suggest` action.

The `Suggest` action picks the highest weighted terms for a specified document, and returns a set of documents based on those terms. The terms to suggest on are drawn from the configured source fields for the specified document.

Generally speaking there is a compromise between the quality of the suggested documents and the performance of the `Suggest` action. You might need to experiment with parameters to find the right settings for a particular application.

The fastest configuration has `AdvancedSuggest` turned off, and uses a small value for `SuggestTerms`.

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