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https://issues.apache.org/jira/browse/OPENNLP-1512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Zowalla closed OPENNLP-1512.
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Resolution: Fixed
> Fix incorrect encoding used in Conll02NameSampleStream
> ------------------------------------------------------
>
> Key: OPENNLP-1512
> URL: https://issues.apache.org/jira/browse/OPENNLP-1512
> Project: OpenNLP
> Issue Type: Improvement
> Components: Formats, Name Finder
> Affects Versions: 2.3.0
> Reporter: Martin Wiesner
> Assignee: Martin Wiesner
> Priority: Minor
> Fix For: 2.3.1
>
>
> While investigating OPENNLP-1190, I tested the example from the OpenNLP
> documentation to convert the Esp.train example to the OpenNLP format, see:
> [https://opennlp.apache.org/docs/2.3.0/manual/opennlp.html#tools.corpora.conll.2002]
> I ran: {{opennlp TokenNameFinderConverter conll02 -data esp.train -lang es
> -types per > es_corpus_train_persons.txt}}
> When I checked the output corpus (txt) file, I noticed incorrect symbols
> being written there.
> A quick debugging session revealed that the original files where ISO_8859_1
> encoded. However, in line 94 of Conll02NameSampleStream, UTF-8 encoding was
> assumed. This results in accents or other special symbols of the spanish
> alphabet being converted to garbage in the resulting UTF-8 encoded file
> (reason: input character-set interpretation inconsistent).
> Therefore, _Conll02NameSampleStream_ needs a fix to read the original files
> in ISO_8859_1.
> With this measure in place, the accents á, é, ... are correctly written to
> the resulting converted training corpus file.
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