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我已经从这个链接http://sourceforge.net/projects/crf/下载了 CRF 包。不幸的是,当我运行它时,我遇到了这个错误。我试图更改类路径,但它仍然无法正常工作。

错误:

  C:\NER\CRF-1.3\CRF\src\iitb\Segment>java iitb.Segment.Segment all -f samples/us50.conf
  Exception in thread "main" java.lang.NoClassDefFoundError: iitb/Segment/S
  Caused by: java.lang.ClassNotFoundException: iitb.Segment.Segment
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
  Could not find the main class: iitb.Segment.Segment.  Program will exit.
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