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From "Erick Erickson" <erickerick...@gmail.com>
Subject Re: Combining keyword queries with database-style queries
Date Fri, 24 Oct 2008 15:59:51 GMT
Is this an inadvertent re-post or is there still something you're wondering
about?

Erick

On Wed, Oct 22, 2008 at 9:14 AM, Niels Ott <niels@drni.de> wrote:

> Hi everybody,
>
> I need to query for documents not only for search terms but also for
> numeric values (or other general types). Let me try to explain with a
> hypothetical example.
>
> Assuming there is a value for the number words in each document (or the
> number of person names, or whatever), I would want to formulate a query like
> "Give me documents containing 'jack johnson' AND with token_count > 250".
>
> I've been working with Lucene before and the keyword part is easy, but what
> would be a good solution to query for numbers etc.?
>
> One first idea I had was storing the numbers (which are basically a
> HashMap<String,Double>) in the index in some way or the other. But it is not
> at all obvious for me how to query them then.
>
> Another thing I could think of would be using a separate database of any
> type, but then how to bring those two together in a way that makes sense?
>
> Any pointers to useful resources and any types of hints are welcome! :-)
>
> Best,
>
>  Niels
>
>
> --
> Niels Ott
> Computational Linguist (B.A.)
> http://www.drni.de/niels/
>
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