![]() ![]() APIs for search-as-you-typeįollow these links for the REST and. A partial query of "quick br" will match on "quick brown" or "quick bread", but neither "brown" or "bread" by themselves would be match unless "quick" precedes them. Furthermore, each match sets the scope for downstream expansions. Given "the quick brown fox", both autocomplete and suggestions will match on partial versions of "the", "quick", "brown", or "fox" but not on partial infix terms like "rown" or "ox". Matches are on the beginning of a term anywhere in the input string. A minimum of two or three characters is typical. However, jQuery Autocomplete provides a minimum length. The APIs do not impose minimum length requirements on the partial query it can be as little as one character. In the above example, "minecraf" is a static illustration of what the control might have passed in. The "search" parameter provides the partial query, where characters are fed to the query request through the jQuery Autocomplete control. ![]() On a site that sells computer games, the field might be the game title. For suggestions in particular, the field list should be composed of those that offer clear choices among matching results. The "suggesterName" gives you the suggester-aware fields used to complete terms or suggestions. POST /indexes/myxboxgames/docs/autocomplete?search&api-version= ![]() The following script illustrates components of a request, using the Autocomplete REST API as an example. Set up a requestĮlements of a request include one of the search-as-you-type APIs, a partial query, and a suggester. ![]() For links to end-to-end code samples, see Next steps. REST API examples are used to concisely present each operation. It uses JavaScript and C# to illustrate key points. The remainder of this article is focused on queries and client code. For more information, see Create a suggester. For suggestions, choosing suitable fields that are unique, or at least not repetitive, is essential to the experience. When the index is created and loaded, a suggester data structure is created internally to store prefixes used for matching on partial queries. A suggester is part of the index, and it specifies which fields will provide content that either completes a query, suggests a result, or does both. In Azure Cognitive Search, autocompleted queries and suggested results are retrieved from the search index, from selected fields that you have registered with a suggester. We recommend using an existing JavaScript library for this purpose. A UI control to handle search-as-you-type interactions in your client app.A query specifying Autocomplete or Suggestions API on the request.A suggester definition that's embedded in the index schema.To implement these experiences in Azure Cognitive Search, you will need: The service won't offer queries that return zero results. Both autocomplete and suggestions are predicated on a match in the index. A second user experience is suggestions, or a short list of matching documents (returning book titles with an ID so that you can link to a detail page about that book). In Azure Cognitive Search, this experience is supported through autocomplete, which finishes a term or phrase based on partial input (completing "micro" with "microsoft"). Search-as-you-type is a common technique for improving query productivity. ![]()
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