/**
* get and refine tagged context
*/
for (int i = 0; i < tagger.size(); ++i) {
for (int j = 0; j < tagger.xsize(); ++j) {}
taggedResult += tagger.x(i, 0) + "\t" + tagger.y2(i) + "\n"; //get filename:TokenId and predicted label
}
tagger.delete();
return taggedResult;
}