---
language: "en"
tags:
- dstc9
widget:
- text: "i want to book the hilton hotel near china town."
- text: "can you reserve A & B restaurant for me?"
---

Only restaurant, hotel, and attraction names are tagged based on the following data and knowledge base.

Data link: https://github.com/alexa/alexa-with-dstc9-track1-dataset

Label map:

"O": 0
"B-hotel": 1
"I-hotel": 2
"B-restaurant": 3 
"I-restaurant": 4
"B-attraction": 5
"I-attraction": 6

```python
from transformers import AutoConfig, AutoModelForTokenClassification, BertTokenizer
from transformers import TokenClassificationPipeline
import json

model_path = "wilsontam/dstc9_ner"

config = AutoConfig.from_pretrained(
  model_path,
  num_labels=7,
)   
model = AutoModelForTokenClassification.from_pretrained(
  model_path,
  from_tf=False,
  config=config,
)   
tokenizer = BertTokenizer.from_pretrained(
  model_path,
)

# device=-1: cpu, device=0: gpu
pipeline = TokenClassificationPipeline(model, tokenizer, device=-1)

tokens = pipeline(["i want to book the hilton hotel near china town.", "can you reserve A & B restaurant for me?"])
```

Credit: Jia-Chen Jason Gu, Wilson Tam