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From Steven Rowe <sar...@syr.edu>
Subject Re: Concept Search
Date Wed, 16 May 2007 13:55:54 GMT
That's not precisely what I was imagining, although it does sound viable
- I was thinking of using standard indexing, and then generating concept
instantiations ("synonyms") at query time. - Steve

Erick Erickson wrote:
> That's interesting. I suppose you could add the "synonym" of
> WildAnimals$ whenever you encountered any of the items in your
> list, then when concept searching is called for, search on
> WildAnimals$.
> 
> Highlighting might be tricky, but certainly do-able, especially with
> the capabilities of a MemoryIndex......
> 
> Erick
> 
> On 5/16/07, Steven Rowe <sarowe@syr.edu> wrote:
>>
>> Hi Charles,
>>
>> The need presented by your use case sounds very similar to that served
>> by the SynonymAnalyzer given in Erik Hatcher's and Otis Gospodnetic's
>> excellent book "Lucene in Action" - take a look:
>>
>>     http://lucenebook.com/
>>
>> Steve
>>
>> Charles Patridge wrote:
>> >   I have looked around on Lucene web site as well as some documentation
>> > but have not found anything to do with Concept Search.
>> >
>> >     My definition of Concept Search is as follows:
>> >
>> >   1.  I would have a file (list) of various phrases / N-grams which I
>> > would like to Lucene to use as a search basis without having to type in
>> > all these phrases manually, and have Lucene return the results as it
>> > would normally if a single search query was entered.
>> >
>> >     2.  An example would be - find !Wild_Animals! - where the "!" would
>> > indicate that this is a search that would use a file (ie
>> > Wild_Animals.txt) and read in the various phrases within this file and
>> perform the
>> > search in the corpus for these phrases.
>> >
>> >     3.  The contents of Wild_Animals.txt could look like this:
>> >   BUFFALO
>> >   BEAR
>> >   MOOSE
>> >   COYOTE
>> >   WOLF
>> >   MOUNTAIN GOAT
>> >   MOUNTAIN SHEEP
>> >   DALL SHEEP
>> >   DEER
>> >   KODIAK BEAR
>> >   BROWN BEAR
>> >   BLACK BEAR
>> >   etc etc etc
>> >
>> >     4.  Is my idea of a Concept Search feasible / doable???  If so, can
>> > you point me to any documentation that exists whereby this could be
>> done
>> > within Lucene
>> >
>> >     Please send any info you have on this to me -
>> > Charles_S_Patridge@prodigy.net
>> >
>> >   Thank you in advance for your time and efforts.
>> >
>> >
>> >
>> > Charles S Patridge - PDPC, Ltd.
>> > 172 Monce Road - Burlington, CT 06013 USA
>> > Email: Charles_S_Patridge@prodigy.net
>> > Web: http://www.sconsig.com
>> > Web: http://pages.prodigy.net/charles_s_patridge
>> > Web: http://www.munic.state.ct.us/burlington


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