Boosting favourite media class/agency/language and publication date

In several portlets you can set the favourite (preferred) media class, language and/or agency. That is, the media class/language/agency that should be prioritized when presenting a search results list. Connected to this, you also set the boost factor for the preferred selection. You can also set the boost factor for publication date (rank newer titles higher). The value can be set between 0 and 25; the closer to 25, the higher prioritized. Default is 0.

The following portlets have the favourite and boost value settings: