Renaud,

Can you provide a brief synopsis of how your system works?

Jason

On Wed, Apr 27, 2011 at 11:17 AM, Renaud Delbru <renaud.del...@deri.org> wrote:
> Hi,
>
> you might want to look at the SIREn plugin [1,2], which allows you to index
> and query 1:N relationships such as yours, in a tabular data format [3].
>
> [1] http://siren.sindice.com/
> [2] https://github.com/rdelbru/SIREn
> [3]
> https://dev.deri.ie/confluence/display/SIREn/Indexing+and+Searching+Tabular+Data
>
> Kind Regards,
> --
> Renaud Delbru
>
> On 27/04/11 18:30, ronotica wrote:
>>
>> The nature of my project is such that search is needed and specifically
>> search across related entities. We want to perform several queries
>> involving
>> a correlation between two or more properties of a given entity in a
>> collection.
>>
>> To put things in context, here is a snippet of the domain:
>>
>> Student { firstname, lastname }
>> Education { degreeCode, degreeYear, institution }
>>
>> The database tables look like so:
>>
>> STUDENT
>> ----------
>> STUDENT_ID     FNAME      LNAME
>> 100                 John          Doe
>> 200                 Rasheed     Jones
>> 300                 Mary          Hampton
>>
>> EDUCATION
>> -------------
>> EDUCATION_ID      DEGREE_CODE       DEGREE_YR       INSTITUTION
>> STUDENT_ID
>> 1                         MD                      2008
>> OHIO_ST                100
>> 2                         PHD                     2010
>> YALE
>> 100
>> 3                         MS                      2007
>> OHIO_ST               200
>> 4                         MD                      2010
>>  YALE
>> 300
>>
>> A student can have many educations. Currently, our documents look like
>> this
>> in solr:
>>
>> DOC_ID       STUDENT_ID    FNAME       LNAME      DEGREE_CODE    DEGREE_YR
>> INSTITUTION
>> 100             100                John          Doe          MD PHD
>> 2008 2010     OHIO_ST YALE
>> 101             200                Rasheed     Jones        MS
>> 2007             OHIO_ST
>> 102             300                Mary          Hampton   MD
>> 2010             YALE
>>
>> Searching for all students who graduated from OHIO_ST in 2010 currently
>> gives a hit (John Doe) when it shouldn't.
>>
>> What is the best way to have overcome this issue in Solr? This is only
>> happening when I am searching across correlated fields, mainly because the
>> data has been denormalized and Lucene has no notion of relationships
>> between
>> the various fields.
>>
>> One way that as come to mind is to have separate documents for "education"
>> and perform multiple searches to get at an answer. Besides this, is there
>> any other way? Does Solr provide any elegant solution for this?
>>
>> Any help will be greatly appreciated.
>>
>> Thanks.
>>
>> PS: We have about 15 of these kind of relationships all relating to the
>> student and will like to perform search on each of them.
>>
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://lucene.472066.n3.nabble.com/Search-across-related-correlated-multivalue-fields-in-Solr-tp2871176p2871176.html
>> Sent from the Solr - User mailing list archive at Nabble.com.
>
>

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