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syndi-models/
ms-marco-MiniLM-L-12-v2

Name: ms-marco-MiniLM-L-12-v2
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Cross-Encoder for MS Marco

This model was trained on the MS Marco Passage Ranking task.

The model can be used for Information Retrieval: Given a query, encode the query will all possible passages (e.g. retrieved with ElasticSearch). Then sort the passages in a decreasing order. See SBERT.net Retrieve & Re-rank for more details. The training code is available here: SBERT.net Training MS Marco

Usage with Transformers

python

from transformers import AutoTokenizer, AutoModelForSequenceClassification
import torch

model = AutoModelForSequenceClassification.from_pretrained('model_name')
tokenizer = AutoTokenizer.from_pretrained('model_name')

features = tokenizer(['How many people live in Berlin?', 'How many people live in Berlin?'], ['Berlin has a population of 3,520,031 registered inhabitants in an area of 891.82 square kilometers.', 'New York City is famous for the Metropolitan Museum of Art.'],  padding=True, truncation=True, return_tensors="pt")

model.eval()
with torch.no_grad():
    scores = model(**features).logits
    print(scores)

Usage with SentenceTransformers

The usage becomes easier when you have SentenceTransformers installed. Then, you can use the pre-trained models like this:

python

from sentence_transformers import CrossEncoder
model = CrossEncoder('model_name', max_length=512)
scores = model.predict([('Query', 'Paragraph1'), ('Query', 'Paragraph2') , ('Query', 'Paragraph3')])

Performance

In the following table, we provide various pre-trained Cross-Encoders together with their performance on the TREC Deep Learning 2019 and the MS Marco Passage Reranking dataset.

Model-Name	NDCG@10 (TREC DL 19)	MRR@10 (MS Marco Dev)	Docs / Sec
Version 2 models
cross-encoder/ms-marco-TinyBERT-L-2-v2	69.84	32.56	9000
cross-encoder/ms-marco-MiniLM-L-2-v2	71.01	34.85	4100
cross-encoder/ms-marco-MiniLM-L-4-v2	73.04	37.70	2500
cross-encoder/ms-marco-MiniLM-L-6-v2	74.30	39.01	1800
cross-encoder/ms-marco-MiniLM-L-12-v2	74.31	39.02	960
Version 1 models
cross-encoder/ms-marco-TinyBERT-L-2	67.43	30.15	9000
cross-encoder/ms-marco-TinyBERT-L-4	68.09	34.50	2900
cross-encoder/ms-marco-TinyBERT-L-6	69.57	36.13	680
cross-encoder/ms-marco-electra-base	71.99	36.41	340
Other models
nboost/pt-tinybert-msmarco	63.63	28.80	2900
nboost/pt-bert-base-uncased-msmarco	70.94	34.75	340
nboost/pt-bert-large-msmarco	73.36	36.48	100
Capreolus/electra-base-msmarco	71.23	36.89	340
amberoad/bert-multilingual-passage-reranking-msmarco	68.40	35.54	330
sebastian-hofstaetter/distilbert-cat-margin_mse-T2-msmarco	72.82	37.88	720

Note: Runtime was computed on a V100 GPU.

syndi-models/ms-marco-MiniLM-L-12-v2

Cross-Encoder for MS Marco

Usage with Transformers

Usage with SentenceTransformers

Performance

syndi-models/
ms-marco-MiniLM-L-12-v2