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To: cs551@merlot.usc.edu
Subject: Re: bit vector on keywords 
Date: Tue, 17 Apr 2007 15:36:11 -0700
From: william@bourbon.usc.edu

Someone wrote:

  > If the user enters:
  > 
  > store chess.jpg 1 categories="audio mp3" artist="Blondie"
  > 
  > Should we compute bit-vector for, in this case, each of the
  > 6 keywords above *ONE BY ONE*, or for the following
  > concatenated, quote-free string in *ONE PASS* ?
  > 
  > "category audio mp3 artisti Blondie"

One by one and then OR'ed the results together.  Please
remember to make everything lowercase before you do compute
the bit-vector for a keyword.
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>