tokens: One suggestion is that when you use the traversal framework in java , basically you can build a TraversalDescription and then iterate through what comes back from it by relationships , rather than by Paths or by Nodes .
ner_tags: O O O O O O O O B-Library I-Library O B-Language O O O O O O B-Function O O O O O O O O O O O O O O O O O O O O