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https://issues.apache.org/jira/browse/UIMA-2758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13655241#comment-13655241
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Peter Klügl commented on UIMA-2758:
-----------------------------------
A short update:
Annoyingly, I see no way how type references with the complete namespace and
feature references can be distinguished in the grammar without having access to
the list of available types. Please correct me if I am wrong, but I fear that
the types of an AE cannot be computed in the initialize method (where the
script should be parsed once, normally).
I will resolve the semantics of the matching conditions now during runtime,
something I was trying to avoid...
> TextMarker: Provide support for tree structures and parse trees in rule
> language
> --------------------------------------------------------------------------------
>
> Key: UIMA-2758
> URL: https://issues.apache.org/jira/browse/UIMA-2758
> Project: UIMA
> Issue Type: New Feature
> Components: ruta
> Reporter: Peter Klügl
> Assignee: Peter Klügl
>
> Manipulation of features which refer to annotations and matching on simple
> features is currently supported, but matching on the complex values of some
> feature is not. A first step can be something like (Type Person with feature
> "title" of type Annotation):
> Person.title;
> This rule matches on all annotations, which are values of features of
> annotations of the type Person.
> This new language element can also be used for syntactic sugar when checking
> primitive feature values:
> Person.begin=0 (A Person annotation, which starts a offset 0)
> This can only be a first step towards supporting tree structures. Maybe there
> is no way around something for explicitly and directly referring to certain
> annotations (which is not possible right now, but is done by using the type).
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