🚀 CShorten/CORD-19-Title-Abstracts-1-more-epoch
这是一个句子转换器模型,它能将句子和段落映射到一个384维的密集向量空间,可用于聚类或语义搜索等任务。
🚀 快速开始
当你安装了句子转换器后,使用这个模型就变得很容易:
pip install -U sentence-transformers
然后你可以像这样使用该模型:
from sentence_transformers import SentenceTransformer
sentences = ["This is an example sentence", "Each sentence is converted"]
model = SentenceTransformer('CShorten/CORD-19-Title-Abstracts-1-more-epoch')
embeddings = model.encode(sentences)
print(embeddings)
📚 详细文档
评估结果
要对该模型进行自动化评估,请查看句子嵌入基准测试:https://seb.sbert.net
训练情况
该模型使用以下参数进行训练:
数据加载器:
torch.utils.data.dataloader.DataLoader
,长度为3750,参数如下:
{'batch_size': 32, 'sampler': 'torch.utils.data.sampler.RandomSampler', 'batch_sampler': 'torch.utils.data.sampler.BatchSampler'}
损失函数:
sentence_transformers.losses.MultipleNegativesRankingLoss.MultipleNegativesRankingLoss
,参数如下:
{'scale': 20.0, 'similarity_fct': 'cos_sim'}
fit()
方法的参数:
{
"epochs": 1,
"evaluation_steps": 0,
"evaluator": "NoneType",
"max_grad_norm": 1,
"optimizer_class": "<class 'torch.optim.adamw.AdamW'>",
"optimizer_params": {
"lr": 2e-05
},
"scheduler": "WarmupLinear",
"steps_per_epoch": null,
"warmup_steps": 10000,
"weight_decay": 0.01
}
完整模型架构
SentenceTransformer(
(0): Transformer({'max_seq_length': 256, 'do_lower_case': False}) with Transformer model: BertModel
(1): Pooling({'word_embedding_dimension': 384, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False})
(2): Normalize()
)
引用与作者