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From Grant Ingersoll <gsing...@apache.org>
Subject Re: mahout PLSI (with some lucene, thrown in)
Date Wed, 24 Jun 2009 11:34:46 GMT
Random FYI: http://code.google.com/p/semanticvectors/ came up on the  
Lucene mailing list yesterday and it sounds interesting, plus BSD  
license...

-Grant

On Jun 23, 2009, at 7:56 PM, Paul Jones wrote:

> Yup, I see that wordnet has also been "ported" to a lucene index,  
> and hence pulling the hyponyms works great.
>
> tks
>
> Paul
>
>
>
>
> ________________________________
> From: Tommy Chheng <tommy@peoplejar.com>
> To: mahout-user@lucene.apache.org
> Sent: Tuesday, 23 June, 2009 23:19:25
> Subject: Re: mahout PLSI (with some lucene, thrown in)
>
> Have you looked at WordNet to get the hypohyms?
>
> Tommy
>
> On Jun 23, 2009, at 3:09 PM, Paul Jones wrote:
>
>> Okay, have seen the difficulty (apart from the maths :-)).
>>
>> I guess "similar" can mean many things, i.e hypohyms, but also  
>> words such as hot...cold are also "related", hence to solve my  
>> little problem I am wondering if there is a easier way, i.e to use  
>> things like existing hyponyms relations which exist (wordnet and  
>> the like) , and/or if they do not then I guess using something  
>> similar to a "google distance measure" may help in "adding" new  
>> words to the system....
>>
>> Paul
>>
>>
>>
>>
>> ________________________________
>> From: Ted Dunning <ted.dunning@gmail.com>
>> To: mahout-user@lucene.apache.org
>> Sent: Tuesday, 23 June, 2009 18:00:12
>> Subject: Re: mahout PLSI (with some lucene, thrown in)
>>
>> Yes.  This can be done.  It isn't necessarily real simple to do.
>>
>> See http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.56.7275  
>> for an
>> old (but still pretty good) example.
>>
>> On Tue, Jun 23, 2009 at 6:45 AM, Paul Jones  
>> <paul_jonez99@yahoo.co.uk>wrote:
>>
>>> Imagine we have crawled 100K webpages, and we have 100 pages which  
>>> show
>>> "red" and 100 which show "crimson" and then 100 which show both  
>>> "red and
>>> crimson" is there a way to deduce that there maybe (albeit weak)
>>> relationship between red AND crimson. Of course we can pre-seed  
>>> this info,
>>> which then gets weighted by actual results.
>>>
>>
>>
>>
>
>

--------------------------
Grant Ingersoll
http://www.lucidimagination.com/

Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids)  
using Solr/Lucene:
http://www.lucidimagination.com/search


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