tokens: I 've seen this in SQL SERVER , using checksum_binary , which is so fast but is there a better solution to apply a checksum value to individual fields for comparison or should I stick with trying to modify the above ?
ner_tags: O O O O O B-Application I-Application O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O