-Original Message-
From: Simon Willnauer [mailto:simon.willna...@googlemail.com]
Sent: Thursday, December 01, 2011 11:34 AM
To: Zhang, Lisheng
Cc: java-user@lucene.apache.org
Subject: Re: Boost more recent document
On Thu, Dec 1, 2011 at 8:30 PM, Zhang, Lisheng
wrote:
> Hi Simon,
>
>
;
> -Original Message-
> From: Simon Willnauer [mailto:simon.willna...@googlemail.com]
> Sent: Thursday, December 01, 2011 11:21 AM
> To: Zhang, Lisheng
> Cc: java-user@lucene.apache.org
> Subject: Re: Boost more recent document
>
>
> On Thu, Dec 1, 2011 at 7:36 AM,
adapt a few query classes?
>
> Thanks very much for helps, Lisheng
>
> -Original Message-
> From: Simon Willnauer [mailto:simon.willna...@googlemail.com]
> Sent: Wednesday, November 30, 2011 1:02 PM
> To: java-user@lucene.apache.org
> Subject: Re: Boost more recent document
>
>
helps, please point out if you see wrong
> in above statements?
>
> Best regards, Lisheng
>
> -Original Message-
> From: Zhang, Lisheng [mailto:lisheng.zh...@broadvision.com]
> Sent: Wednesday, November 30, 2011 1:40 PM
> To: java-user@lucene.apache.org; simon.willna...@
apache.org; simon.willna...@gmail.com
Subject: RE: Boost more recent document
Hi,
Thanks for the very interesting idea!
Currently we use lucene 2.3.2 and we just use default merge policy (at
any time we have a few segments and after some accumulation small segments
are merged into big ones). I need to do
: Wednesday, November 30, 2011 1:02 PM
To: java-user@lucene.apache.org
Subject: Re: Boost more recent document
If you use LogMergePolicy ie. do merges in order you could use the
absolute docID as a relative age value. Smaller docIDs mean younger
documents. Maybe this works for you?
simon
On Wed, Nov 30
esday, November 30, 2011 11:40 AM
> To: java-user@lucene.apache.org
> Subject: Re: Boost more recent document
>
>
> On Wed, Nov 30, 2011 at 6:59 PM, Zhang, Lisheng
> wrote:
>> Hi,
>>
>> We need to boost document which is more recent (each doc has time stamp
&
...@googlemail.com]
Sent: Wednesday, November 30, 2011 11:40 AM
To: java-user@lucene.apache.org
Subject: Re: Boost more recent document
On Wed, Nov 30, 2011 at 6:59 PM, Zhang, Lisheng
wrote:
> Hi,
>
> We need to boost document which is more recent (each doc has time stamp
> attribute). I
On Wed, Nov 30, 2011 at 6:59 PM, Zhang, Lisheng
wrote:
> Hi,
>
> We need to boost document which is more recent (each doc has time stamp
> attribute). It seems that
> we cannot use doc boost at index time because it will be condensed into one
> byte (cannot differentiate
> 365 days), so we may u
