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Posted to issues@opennlp.apache.org by "Jeff Zemerick (JIRA)" <ji...@apache.org> on 2018/03/17 17:44:00 UTC
[jira] [Updated] (OPENNLP-1189) Token model creation fails without
at least one tag
[ https://issues.apache.org/jira/browse/OPENNLP-1189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeff Zemerick updated OPENNLP-1189:
-----------------------------------
Priority: Minor (was: Major)
> Token model creation fails without at least one <SPLIT> tag
> -----------------------------------------------------------
>
> Key: OPENNLP-1189
> URL: https://issues.apache.org/jira/browse/OPENNLP-1189
> Project: OpenNLP
> Issue Type: Bug
> Components: Tokenizer
> Affects Versions: 1.8.4
> Reporter: Jeff Zemerick
> Priority: Minor
>
> The tokenizer training documentation for 1.8.4 states that "Tokens are either separated by a whitespace or by a special <SPLIT> tag." However, it appears that training files if the training data does not contain at least one <SPLIT> tag. To reproduce:
> Training on the sample data works fine:
> {quote}Pierre Vinken<SPLIT>, 61 years old<SPLIT>, will join the board as a nonexecutive director Nov. 29<SPLIT>.
> Mr. Vinken is chairman of Elsevier N.V.<SPLIT>, the Dutch publishing group<SPLIT>.
> Rudolph Agnew<SPLIT>, 55 years old and former chairman of Consolidated Gold Fields PLC<SPLIT>,
> was named a nonexecutive director of this British industrial conglomerate<SPLIT>.
> {quote}
> Replacing the <SPLIT> tags with whitespace causes the training to fail with InsufficientTrainingDataException:
> {quote}Pierre Vinken , 61 years old , will join the board as a nonexecutive director Nov. 29 .
> Mr. Vinken is chairman of Elsevier N.V. , the Dutch publishing group .
> Rudolph Agnew , 55 years old and former chairman of Consolidated Gold Fields PLC ,
> was named a nonexecutive director of this British industrial conglomerate .
> {quote}
> Modifying the training data to contain a single <SPLIT> tag allows model training to complete successfully:
> {quote}Pierre Vinken<SPLIT>, 61 years old , will join the board as a nonexecutive director Nov. 29 .
> Mr. Vinken is chairman of Elsevier N.V. , the Dutch publishing group .
> Rudolph Agnew , 55 years old and former chairman of Consolidated Gold Fields PLC ,
> was named a nonexecutive director of this British industrial conglomerate .
> {quote}
>
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