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Display profiles control how the Solr search results are displayed to users who search Islandora.

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Primary display profiles

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This section has options for which fields display and how they display in Solr search results for the "List" and "Table" display profiles. The "Grid" and "Bookmark" profiles are not affected by these settings.

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Display fields

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1. In the "Add another item" box, begin typing a Solr field name (the box will provide suggestions as you type). See Appendix D for a list of eligible field names. 
2. Click Add to add the field to the display.
3. Once a field has been added, click Configure for more options. Different field types will have different options for configuration.
   
   1. Label: Enter a user-friendly display label to represent the field in the search results.
   2. Linking: Link this field to the object it describes (use for fairly unique values, like titles or identifiers). With some fields it can be used as a link to perform a new search based on the value of the field (such as author names, subject terms, or series titles for a related items search).
   3. Highlight: Check this box to enable highlighting the search term in the field(s) where it is found (keyword in context). Only works on tokenized fields. See Appendix D where this is explained. 
   4. Maximum length: Truncate field values in the search results display. Useful for longer fields such as notes, descriptions, or full text.
   5. Permissions: Specify which users by Drupal roles who should have access to this field.

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Limit results to field listed above?

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The default sort field is "score" which is a relevancy ranking based on how well the search query matches each result. The way that different fields are valued is configurable in Solr. 

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Facet settings

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you can expose the facet to users by adding the Islandora facets block to a region (such as a sidebar) in admin/structure/block.

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• Minimum limit: There must be at least this number of values in the search results before the facet displays on the search results page. A higher minimum limit will result in fewer facets displaying.
• Soft limit: The number of facet values to display above the "Show more" link. If you enter 0, all facet values between the minimum and maximum limits will be displayed.
• Maximum limit: The maximum number of values to display for each facet. Entering 20 would display the 20 most frequently occurring values in each facet and a "Show more" link would be automatically added to provide access to the rest of the values.

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Advanced search fields in Solr should be tokenized fields. All Dublin Core fields, for example, are tokenized. For more on this see Appendix D.

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Default boolean operator - An option for whether search results must contain all terms entered in the advanced search (AND) or any term entered in the advanced search (OR) in order to display.

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The values appearing in the figure below serve only as examples.

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Required Solr fields

These Solr fields are required by Islandora in order to create a repository browse interface and manage Fedora objects. These fields are populated with default values and should probably not be changed.

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Other (debugging Solr)

This section contains a checkbox to turn "debug mode" on or off. Debug mode for Solr will show the text of Solr queries in the Drupal display, and generally should not be used in a production site.

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New in Islandora 7.x-1.10 is the tab Solr Breadrumbs.

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