I thought that the search textbox can be of use. Imagine - the reseul of your query is a filtered interface and you can even search through its results.

Yury Katkov

On Fri, Oct 12, 2012 at 7:38 PM, Yury Katkov <katkov.juriy@gmail.com> wrote:
On Sun, Sep 30, 2012 at 10:00 PM, Krabina Bernhard <krabina@kdz.or.at> wrote:

> http://kalmar12.fzi.de/testskinwiki/index.php/Spezial:Anwendungsliste

that's great! Is the skin available somewhere?
I asked the developer, she said that they no plans in opening the source code of the skin :( .  

> Who is interested in adding the following features of filtered in a
> Roadmap [1]?
> 1) support more than 'list' value in 'list view type'. For example
> what about make filters on a maps, wouldn't that be useful in any
> wiki
> with maps? Or timelines? Or the most powerful 'template' output?

I would need the possibility of exporting the filtered entries to an csv file!
This is very application specific feature, or so it seems to me.