[Tutor] Inverted Index
Dinesh B Vadhia
dineshbvadhia at hotmail.com
Wed Oct 31 19:02:16 CET 2007
A NumPy matrix (because we have to perform a dot matrix multiplication prior to creating an inverted index).
----- Original Message -----
From: Kent Johnson
To: Dinesh B Vadhia
Cc: tutor at python.org
Sent: Wednesday, October 31, 2007 8:16 AM
Subject: Re: [Tutor] Inverted Index
Dinesh B Vadhia wrote:
> Sure! To create an inverted index of a very large matrix (M x N with
> M<>N and M>10m rows). Most times the matrix will be sparse but
> sometimes it won't be. Most times the matrix will consist of 0's and
> 1's but sometimes it won't.
How is the matrix represented? Is it in a numpy array? a dict? or...
> Hope that helps.
> ----- Original Message -----
> *From:* Kent Johnson <mailto:kent37 at tds.net>
> *To:* Dinesh B Vadhia <mailto:dineshbvadhia at hotmail.com>
> *Cc:* tutor at python.org <mailto:tutor at python.org>
> *Sent:* Wednesday, October 31, 2007 7:48 AM
> *Subject:* Re: [Tutor] Inverted Index
> Dinesh B Vadhia wrote:
> > Hello! Anyone know of any example/cookbook code for implementing
> > inverted indexes?
> Can you say more about what you are trying to do?
> Maybe PyLucene is interesting:
> http://pylucene.osafoundationorg/ <http://pylucene.osafoundation.org/>
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