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Posted to user@nutch.apache.org by og...@yahoo.com on 2007/02/02 17:23:33 UTC

Re: [Nutch-general] Implement crawler with custom lucene VS use nutch?

Sucks to have a complicated surname :)

Spamsucks: if all you have to do is index your own site with a few thousand pages, Nutch is an overkill.  Get/write a simple crawler and feed that you fetch+parse to your Lucene-based API.

Otis

----- Original Message ----
From: Iain <ia...@idcl.co.uk>
To: nutch-user@lucene.apache.org
Sent: Friday, February 2, 2007 9:40:32 AM
Subject: Re: [Nutch-general] Implement crawler with custom lucene VS use nutch?

Gospedetic and Hatchers book includes some code which will process html.

If you already know what the html files are (you have access to the web site
as a file system), then you should be able to knock something up quickly.

If you have to extract the links and crawl that way, it's probably easier to
use nutch and if necessary reprocess the indexes into your own format.

IAIN

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Iain Downs (Microsoft MVP)
Commercial Software Therapist
E:  iain@idcl.co.uk     T:+44 (0) 1423 872988
W: www.idcl.co.uk
http://mvp.support.microsoft.com
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697 3775 64
-----Original Message-----
From: spamsucks [mailto:spamsucks@rhoderunner.com] 
Sent: 01 February 2007 21:15
To: nutch-user@lucene.apache.org
Subject: Implement crawler with custom lucene VS use nutch?

I posted this on the lucene list a week ago and haven't heard anything, so 
please don't give me the cross-post slap;)

I am successfully using lucene in our application to index 12 different
types of objects located in a database, and their relationships to each
other to provide some nice search functionality for our website.  We are
building lots of lucene queries programmatically to filter based upon
categories, regions, zip codes, scoring, long/lats...

My problem is that there is content that is not in the database which we
have a lot of... (about 3000+ pages) that we need to also include in the
search results.  It's a whole lot of jsp's.

As I see this, I can either
a) Migrate this application to nutch
b) Write/Implement a web crawler to crawl our site and inject the crawl 
results into
our lucene index.

I am leaning towards option B, since I think it
would only take me a couple of days of implement/write a simple crawler and 
I wouldn't
have to change much else.

Can anyone think of any points/counterpoints for using Nutch vs. writing a
crawler to extend our already used lucene framework?

Thanks. 



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