FTS ranking for date and geographical distance

From: Brian Ghidinelli <brian(at)pukkasoft(dot)com>
To: SF Postgres <sfpug(at)postgresql(dot)org>
Subject: FTS ranking for date and geographical distance
Date: 2014-01-22 00:13:38
Message-ID: 52DF0D32.8080107@pukkasoft.com
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Do ts_rank or ts_rank_cd have min/max values? For any given normalization?

I am trying to (simply) enhance the score from ts_rank with date and
distance inputs and I'm struggling to scale those calculations so to not
overwhelm the ts_rank score. I can't find anything in Google but
thought someone here might have some ideas?

Thanks!

Brian

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