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metadata
language:
- en
license: apache-2.0
base_model: bert-base-uncased
pipeline_tag: text-classification
tags:
- text-classification
- bert
- disaster-tweets
- kaggle
datasets:
- startificial/nlp-getting-started
metrics:
- accuracy
- f1
Disaster Tweet Detection(灾难推文检测)
基于 bert-base-uncased 微调的英文推文二分类模型,判断一条推文是否关于真实灾难
(Kaggle 竞赛 Real or Not? NLP with Disaster Tweets,nlp-getting-started)。
训练数据
- 来源:Kaggle 灾难推文数据集(7613 条训练样本)
- 标签:0 = 非灾难推文,1 = 灾难推文
- 训练:2 个 epoch,lr=2e-5,batch=16,max_len=128
验证集指标
| 指标 | 数值 |
|---|---|
| Accuracy | 0.8451 |
| F1 (binary) | 0.8168 |
| Precision | 0.8297 |
| Recall | 0.8043 |
使用方式
from transformers import AutoTokenizer, AutoModelForSequenceClassification
import torch
model_id = "Operaer/disaster-tweet-bert"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForSequenceClassification.from_pretrained(model_id)
model.eval()
text = "Forest fire near La Ronge Sask. Canada"
enc = tokenizer(text, truncation=True, padding=True,
max_length=128, return_tensors="pt")
with torch.no_grad():
logits = model(**enc).logits
pred = int(torch.argmax(logits, dim=1))
print("灾难推文" if pred == 1 else "非灾难推文")
说明
- 本模型为《自然语言处理》课程作业产物;
- 微调代码:
train.py;交互式 Demo:app.py/ Gradio Space。