[Gate-users] Schema annotation editor capabitlity

[Alex Tantos]

Hi there!

First of all, congrats to the developers and the head(s) of the GATE team! The tool is very useful and mature. One simply needs some time to find her way to it.. 
Lately, we got a fund for a research project for annotating and analysing a learner corpus (a corpus that consists of second language learner productions) (along with 3 online experiments: http://lal2a.lit.auth.gr/).

So, our scenario is to annotate a learner corpus in the following way:

We would like to explore the possibility to annotate for the same span of text 2 different paths; namely, I would like to be able to say that a specific span of text is either an error in domain A in grammar OR in domain B. The reason is that learners are making grammar errors on word/phrases types, but it is not possible to say the domain of grammatical error due to the mapping of one word/phrase type to two different domains.

Let’s take the attached screenshot:




As you can see, I loaded 3 annotation schemas (by "including" aspect.xml and voice.xml in the xml declaration of the annotation schema agreement.xml). Now, let's assume that a learner made a grammatical error on a word that, due to syncretism, you cannot be sure whether they are ill-formed type related to aspect or voice). In this case, we would like to add an annotation on the same word that would include both voice and aspect. Now, practically, a possible solution would be to have a separate new button (probably with the name “unspecified”) on the schema editor dialog that when you press on it, either a popup window appears or on the same window below, three buttons appear:  “agreement”, “aspect” and “voice”. Then, when you press 2 or even all 3 of them they would become activated and allow you to further choose among their own respective features. 

I know it is possibly too much (what I ask) and what I need to know is whether one can do it within GATE or if one should seek other software that could do what I ask. Also, any other type of solution that solves this type of problem, namely to represent a set of (disjunctive) annotations on the same span of text is more than welcome. 

Best!

Alex Tantos
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