tokens: See in the example above , you have an edge going from vertex 1 to 2 , so there is a 1 at the index [ 1 ] [ 2 ] of adjacency matrix , similar is the case with [ 1 ] [ 3 ] and so on .
ner_tags: O O O O O O O O O O O O B-Variable B-Value O O B-Value O O O O B-Value O O O B-Value I-Value I-Value B-Value I-Value I-Value O O B-Data_Structure O O O O O O B-Value I-Value I-Value B-Value I-Value I-Value O O O O