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From: Silvestre Losada <silvestre.losada@gmail.com>
Date: Wed, 7 Jan 2015 15:50:33 +0100
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Subject: Re: Ruta check if feature is null.
To: user@uima.apache.org
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Hi peter,

I think your assumptions are ok.

Best

On 7 January 2015 at 14:26, Peter Kl=C3=BCgl <pkluegl@uni-wuerzburg.de> wro=
te:

> Hi,
>
> I assume that this will only affect feature (match/assignment)
> expressions concerning non-primitive values for now. So we could add a
> new type of (dummy) expression only in combination with complex features.
>
> I further assume that we do not need null-expression in combinations
> with primitive values, right?
>
> Thanks for the offer, but maybe it's better if I implement the changes
> since I am not sure yet which and how many consequences the changes will
> have, e.g., the compare method of FeatureMatchExpressions does not work
> yet with complex features.
>
> Best,
>
> Peter
>
> Am 06.01.2015 um 19:54 schrieb Silvestre Losada:
> > Hi Peter,
> >
> > I opened new feature request, so if you wish you can explain to me the
> > ideas that you have and I can implement it.
> >
> >
> > Best.
> >
> > On 5 January 2015 at 11:38, Peter Kl=C3=BCgl <pkluegl@uni-wuerzburg.de>
> wrote:
> >
> >> Hi,
> >>
> >> that's not (yet) supported. You can open a feature request if you want=
.
> >> This shouldn't be too complicated to implement. I already have some
> ideas...
> >>
> >> This functionality is specified right now in ruta by using an addition=
al
> >> boolean feature, which stores whether the original feature was set.
> >>
> >> Best,
> >>
> >> Peter
> >>
> >> Am 05.01.2015 um 10:41 schrieb Silvestre Losada:
> >>
> >>  Hi all,
> >>> I was looking into the UIMA ruta documentation and I dont know how to
> >>> check
> >>> in ruta script a feature of given annotation is null. Something like
> this
> >>>
> >>> MyAnnotation.feature=3D=3D NULL{-> ...}
> >>>
> >>>
> >>> is that possible?
> >>>
> >>> Kind regards.
> >>>
> >>>
>
>
>

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