Re: Why it's boosted up?

2010-08-24 Thread 朱炎詹
Thanks! That' make sense :) - Original Message - From: "Ahmet Arslan" To: Sent: Tuesday, August 24, 2010 4:30 PM Subject: Re: Why it's boosted up? Then why short fields are boost up? In other words longer documents are punished. Because they contain possi

Re: Why it's boosted up?

2010-08-24 Thread 朱炎詹
Thanks for your clear explanation! I got it :) - Original Message - From: "MitchK" To: Sent: Tuesday, August 24, 2010 3:37 PM Subject: Re: Why it's boosted up? Hi Scott, (so shorter fields are automatically boosted up). " The theory behind that is th

Re: Why it's boosted up?

2010-08-24 Thread Ahmet Arslan
> Then why short fields are boost up? In other words longer documents are punished. Because they contain possibly many terms/words. If this mechanism does not exist, longer documents takes over and pops up usually in the first page.

Re: Why it's boosted up?

2010-08-24 Thread MitchK
Hi Scott, > (so shorter fields are automatically boosted up). " > The theory behind that is the following (in easy words): Let's say you got two documents, each doc contains on 1 field (like it was in my example). Additionally we got a query that contains two words. Let's say doc1 contains o

Why it's boosted up?

2010-08-23 Thread 朱炎詹
In Lucene's web page, there's a paragraph: "Indexing time boosts are preprocessed for storage efficiency and written to the directory (when writing the document) in a single byte (!) as follows: For each field of a document, all boosts of that field (i.e. all boosts under the same field name i