Jeff Zemerick created OPENNLP-1189:
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Summary: 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
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:
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>.
Replacing the <SPLIT> tags with whitespace causes the training to fail with
InsufficientTrainingDataException:
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 .
Modifying the training data to contain a single <SPLIT> tag causes training to
complete successfully:
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 .
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