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From "Jasper Huzen (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5752) Problem with matching items in MarkTable with whitespacers visible
Date Mon, 19 Mar 2018 14:43:00 GMT
Jasper Huzen created UIMA-5752:
----------------------------------

             Summary: Problem with matching items in MarkTable with whitespacers visible
                 Key: UIMA-5752
                 URL: https://issues.apache.org/jira/browse/UIMA-5752
             Project: UIMA
          Issue Type: Bug
          Components: Ruta
    Affects Versions: 2.6.1ruta
            Reporter: Jasper Huzen


The change / fix in UIMA-4556 cause some problems when using a CSV file with whitespaces.

When we have a dictionary with whitespaces between words and
 * Param PARAM_DICT_REMOVE_WS is TRUE:

When WS are visible in the token stream:
- words with spacers are not recognized (as expected).

When WS are NOT visible in the token stream:
- all items in the dictionary will be recognized
- all items will also be recognized if you add whitespaces between words. For example: IlikeRUTA,
Ilike Ruta, I like Ruta all result in the same match.
 * Param PARAM_DICT_REMOVE_WS is FALSE:

When WS are visible in the token stream:
- not all entries in the dictionary will be recognized

When WS are NOT visible in the token stream:
- also not all entries in the dictionary will be recognized


The problem that this cause is that the default value to ignore whitespaces is always true
(hardcoded).
{code:java}
private IBooleanExpression ignoreWS = new SimpleBooleanExpression(true);
{code}
This is not correct because if you want to use whitespaces (if they are important) that won't 
work. The matcher should use the same value as set in the PARAM_DICT_REMOVE_WS parameter
or the value that is set via setIgnoreWS method.

I attached a patch to fix this issue.



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