[CWB] How to use text categories?

[Hardie, Andrew]

Changing the XML data setting doesn’t affect the text metadata, which is a separate data table. You have to set the datatype of text metadata fields when you import said text metadata (to either "classification" or "free text"). Since you didn't, thus the message "No text classification schemes exist for this corpus."

You need to scrub your text metadata table and generate it again, specifying the classification datatype where appropriate (importing the text metadata either from the XML attributes, or from a separate file).

best

Andrew.

-----Original Message-----
From: cwb-bounces at sslmit.unibo.it [mailto:cwb-bounces at sslmit.unibo.it] On Behalf Of Stefan Fischer
Sent: 26 October 2016 16:01
To: Open source development of the Corpus WorkBench
Subject: Re: [CWB] How to use text categories?

Thanks for your explanation, Andrew!

Our production server is still running on v3.2.6. If I click on  
"Manage text categories", the following message is shown:
   "No text classification schemes exist for this corpus."
I set several text attributes to "Classifiction" on the "Manage corpus  
XML" page. So, is this due to bad settings or did text categories not  
work on that version?

Best,
Stefan

Quoting "Hardie, Andrew" <a.hardie at lancaster.ac.uk>:

> Hi Stefan,
>
> Briefly,
>
> - this page will give you a form for each text-metadata field that  
> was installed with the datatype "classification"
> - each of these forms will list all the category handles that exist  
> within the given classification
> - by default, category handles are mapped to a "description" that is  
> the same as the category handle itself
> - BUT you can use the forms here to change the category descriptions  
> to something more user-friendly
> - since category handles are limited to short codes with no spacing  
> or punctuation this is often useful
> - if you do this, then the "descriptions" will show up in a whole  
> lot of different places in the user interface instead of the  
> category handles, including:
> -- restricted query form
> -- concordance header for a restricted query
> -- distribution display
> -- text metadata page.
>
> Hope this helps!
>
> best
>
> Andrew.
>
> -----Original Message-----
> From: cwb-bounces at sslmit.unibo.it  
> [mailto:cwb-bounces at sslmit.unibo.it] On Behalf Of Stefan Fischer
> Sent: 21 October 2016 17:01
> To: cwb at sslmit.unibo.it
> Subject: [CWB] How to use text categories?
>
> Hello all,
>
> I was wondering where I could find more information about the "Manage
> text categories" page. All I found was a placeholder in the
> administrator's manual.
>
> Best,
> Stefan
>
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