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From Peter Carlson <carl...@bookandhammer.com>
Subject Re: Comparing Intermedia and Lucene
Date Wed, 25 Sep 2002 19:39:20 GMT
Can you share you code? We would love to add it to the contributions 
area.

--Peter


On Wednesday, September 25, 2002, at 11:39 AM, Joshua O'Madadhain wrote:

> On Wed, 25 Sep 2002, Peter Carlson wrote:
>
>> I have used intermedia in the past and found that it had a few
>> advantages and disadvantages compared to Lucene.
>>
>> Advantages of Intermedia
>> 4) Supports term expansion and contraction
>>
>> Now items 3 and 4 of Intermedia advantages can be added as Features to
>> Lucene, but are not currently.
>
> I'm not sure what you mean by "supports term expansion".  In the IR
> community, there are many different mechanisms for term expansion; 
> perhaps
> in the database community the term is more restrictive.  My 
> understanding
> is that the only thing you need in order to be able to expand terms (or
> queries) is to be able to modify queries, which you can certainly do 
> under
> Lucene.  (A research project of mine uses Lucene as the core for a 
> search
> engine that does query expansion, among other things.)  Yes, I had to
> write some code to do this, but static term expansion, in which each 
> term
> is expanded to a fixed list of other terms (which may be
> specifiable/modifiable by administrators or users), is pretty
> straightforward to code (my project used a considerably more 
> sophisticated
> mechanism).
>
> If what you mean is that there is no specific API for term expansion in
> Lucene, that's true, but I'm not sure how much value such an API would 
> add
> to Lucene.
>
> Joshua O'Madadhain
>
>  jmadden@ics.uci.edu...Obscurium Per 
> Obscurius...www.ics.uci.edu/~jmadden
>   Joshua O'Madadhain: Information Scientist, Musician, 
> Philosopher-At-Tall
>  It's that moment of dawning comprehension that I live for--Bill 
> Watterson
> My opinions are too rational and insightful to be those of any 
> organization.
>
>
>
>
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