Peter Klügl created UIMA-2980:
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Summary: Add concept of optional annotations in Ruta for empty
wildcard matches
Key: UIMA-2980
URL: https://issues.apache.org/jira/browse/UIMA-2980
Project: UIMA
Issue Type: Improvement
Components: ruta
Affects Versions: 2.0.2ruta
Reporter: Peter Klügl
Assignee: Peter Klügl
Priority: Minor
Fix For: 2.0.2ruta
Add concept of optional annotations in Ruta: wildcards sometimes need to match
on invisible parts of the document, e.g., FirstToken # SecondToken;
There should not be an annotation for the wildcard match, but it needed for
possible conditions on the element. If there is a matched annotation, then
possible mark actions use the wrong offsets for new annotations. Use a new
optional annotation that will be filtered in the rule match.
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