t;> So my question is that why did the rows containing the word "impression"
> >> got
> >> ranked higher than the rows containing the word "impress" when I
> searched
> >> for "impress"?
> >>
> >>
> > The "text&
On 09.03.2010 16:01 Ahmet Arslan wrote:
>
>> I kind of suspected stemming to be the reason behind this.
>> But I consider stemming to be a good feature.
>
> This is the side effect of stemming. Stemming increases recall while harming
> precision.
But most people want the best possible combinat
than the rows containing the word "impress" when I searched
>> for "impress"?
>>
>>
> The "text" type is configured to do stemming on the input. So I'm guessing
> that "impression" and "impress" both stem to the same form. You can remove
> the EnglishPorterFilterFactory from the text type if you don't need
> stemming.
>
> --
> Regards,
> Shalin Shekhar Mangar.
>
>
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> I kind of suspected stemming to be the reason behind this.
> But I consider stemming to be a good feature.
This is the side effect of stemming. Stemming increases recall while harming
precision.
On Tue, Mar 9, 2010 at 4:38 PM, abhishes wrote:
>
> I am indexing a column in a database. I have chosen field type of text for
> this column (this type was defined in the sample schema file which comes in
> the Solr Example).
>
> When I search for the word "impress" and top 3 results. I get these
>
>
> > I kind of suspected stemming to be the reason behind this.
> > But I consider stemming to be a good feature.
>
> This is the side effect of stemming. Stemming increases recall while
> harming precision.
>
This is a side effect of stemming, the way it is currently implemented in
Lucene. Ste
when I searched
for "impress"?
My field type Text is defined as follows in the schema.
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