[OPENNLP-9] Training name finder only with names fails

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: tools-1.5.0-sourceforge
• Fix Version/s: tools-1.5.1-incubating
• Component/s: Name Finder
• Assignee: William Colen
• Reporter: Jörn Kottmann
• Created: 09/Dec/10 23:40
• Updated: 13/Jan/11 20:39
• Resolved: 15/Dec/10 17:56

Description

A. Allen:
"I followed the instructions
in the wiki and used pieces of the sample code, but keep getting the
following:

Indexing events using cutoff of 5

Computing event counts... done. 29376 events
Indexing... done.
Sorting and merging events... done. Reduced 29376 events to 8313.
Done indexing.
Incorporating indexed data for training...
done.
Number of Event Tokens: 8313
Number of Outcomes: 1
Number of Predicates: 11869
...done.
Computing model parameters...
Performing 100 iterations.
1: .. loglikelihood=0.0 1.0
2: .. loglikelihood=0.0 1.0
Exception in thread "main" java.lang.IllegalArgumentException: Model not
compatible with name finder!
at
opennlp.tools.namefind.TokenNameFinderModel.<init>(TokenNameFinderModel.java:50)
at opennlp.tools.namefind.NameFinderME.train(NameFinderME.java:350)
at opennlp.tools.namefind.NameFinderME.train(NameFinderME.java:356)
at NameTrainer.main(NameTrainer.java:21)

My training data looks like this:
<START:person>Neil Abercrombie<END>
<START:person>Anibal Acevedo-Vila<END>
<START:person>Gary Ackerman<END>
<START:person>Robert Aderholt<END>
<START:person>Daniel Akaka<END>
<START:person>Todd Akin<END>
<START:person>Lamar Alexander<END>
<START:person>Rodney Alexander<END>
"