[TYPO3] keyword field for search

[Ilaria De Marinis]

Hi list,
I need to implement a search feature for my site.

Is there a plugin which can sort search results by something like page 
rank or page keywords?

The latter is a field in "pages" table.

Thank in advance
Ilaria

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De Marinis Ilaria
Settore Automazione Biblioteche
Phone: +3906-44486052
CASPUR - Via dei Tizii ,6b - 00185 Roma
e-mail: demarinis at caspur.it
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