tag2id.json

{
  "O": 0,
  "B-DESTINATION": 1,
  "I-DESTINATION": 2,
  "B-CATEGORY": 3,
  "I-CATEGORY": 4,
  "B-LOCATION": 5,
  "I-LOCATION": 6,
  "B-TIME": 7,
  "I-TIME": 8,
  "B-PRICE": 9,
  "I-PRICE": 10
}