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# Specify the Language Type of a Query

When you send a query to IDOL Server, by default it reads the query language type as the `DefaultLanguageType` defined in the IDOL Server configuration file.

You must correctly set the language type of any query text so that IDOL Server can handle the query text correctly (for example, stemming correctly). If you want to send a query that does not use the default language type, you must add the `LanguageType` parameter to your query action. This parameter specifies that the query uses the language and encoding set in the IDOL Server configuration file for the specified `LanguageType`.

For example:

The following query uses the language and encoding specified for the `DefaultLanguageType`, so you can send it to IDOL Server without adding the `LanguageType` parameter:

    http://12.3.4.56:4000/action=Query&Text=The Bayes theory of probability

The following query uses the language and encoding specified for the `German` language type:

    http://12.3.4.56:4000/action=Query&Text=Einsteins Relativitätstheorie&LanguageType=German

Related Topics

- Define a Default Language Type

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