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Static rank (quality rank) (FAST Search Server 2010 for SharePoint)

FAST Search Server 2010

Published: March 31, 2011

Static rank points, also known as quality rank points, are added to search items before it is indexed. The number of points given is based on boost values that are stored in predefined static/quality rank components. You can decide which of these components to use at search time so that you only get the rank points from the components that you specify. You can control the effect of the static rank points by modifying the weight of the different components. Static rank points assigned to an indexed item are independent of the search words that are used, so static rank only indicates something about the general importance of an item. Adding static rank points is efficient from a search performance point of view because it does not add any complexity to the search evaluation.

Static rank points are derived from multiple managed properties. The following sets of managed properties are predefined for static ranking:

  • Urldepthrank: Rank points given to boost shorter URLs.

  • Docrank: Rank points given based on the number of and relative importance of links pointing to an item.

  • Siterank: Rank points given based on the number of and relative importance of links pointing to the items on a site.

  • Hwboost: FAST Search Server 2010 for SharePoint placeholder for generic usage of quality rank points.

In addition to these managed properties, you can add any custom integer managed property to the list of static/quality rank properties.

See also

For information about how to tune static rank, see Tune static rank (quality rank) (FAST Search Server 2010 for SharePoint).

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