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From Urvashi Gadi <ug...@emory.edu>
Subject Re: using custom sort method
Date Wed, 19 Apr 2006 14:54:52 GMT
Yang,

If you could send some more details...it would be really helpful.

Thanks


Quoting Yang Sun <ysun@ist.psu.edu>:

> I have asked the exact same question a few weeks ago. I just follow 
> the customized distance example and loop the results again to get 
> another field and compute the scores. It will be painful if you need 
> more than 3 fields. So far I didn't find any other way to do it. Hope 
> we can see some new classes to address the problem. To be able to 
> customize ranking is very important to a search engine.
>
> Yang
>
> Urvashi Gadi wrote:
>
>> No...the information is available only at search time
>>
>> Quoting Erik Hatcher <erik@ehatchersolutions.com>:
>>
>>> Could your computation be done at indexing time rather than at 
>>> search  time?  If so, pre-compute the value and index that into a 
>>> single field.
>>>
>>>     Erik
>>>
>>>
>>> On Apr 18, 2006, at 3:46 PM, Urvashi Gadi wrote:
>>>
>>>> Hello All,
>>>>
>>>> My requirement is to combine 2 or more fields using some critera  
>>>> (for example weighted average) and sort the search results based 
>>>> on  the combined fields.
>>>>
>>>> I am looking at DistanceComparatorSource class to implement custom 
>>>>  sort but it takes only one field for calculation and then sorts 
>>>> the  result. Is there a way to use more than one field? I looked 
>>>> in  sorts in succession by the criteria in each SortField class 
>>>> but  this doesn't fulfill my requirement.
>>>>
>>>> Please suggest.
>>>>
>>>> Urvashi
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
>>>
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>>
>>
>>
>>
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>
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