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1_Pooling/config.json

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+{
+  "word_embedding_dimension": 768,
+  "pooling_mode_cls_token": false,
+  "pooling_mode_mean_tokens": true,
+  "pooling_mode_max_tokens": false,
+  "pooling_mode_mean_sqrt_len_tokens": false,
+  "pooling_mode_weightedmean_tokens": false,
+  "pooling_mode_lasttoken": false
+}

README.md

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+---
+pipeline_tag: sentence-similarity
+language: fr
+license: apache-2.0
+datasets:
+- unicamp-dl/mmarco
+metrics:
+- recall
+- posicube/mean_reciprocal_ranktags:
+
+tags:
+- sentence-transformers
+- feature-extraction
+- sentence-similarity
+- transformers
+
+---
+
+# biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR
+
+This is a [sentence-transformers](https://www.SBERT.net) model: It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. The model was trained on the **French** portion of the [mMARCO](https://huggingface.co/datasets/unicamp-dl/mmarco) dataset.
+
+## Usage
+***
+
+#### Sentence-Transformers
+
+Using this model becomes easy when you have [sentence-transformers](https://www.SBERT.net) installed:
+
+```
+pip install -U sentence-transformers
+```
+
+Then you can use the model like this:
+
+```python
+from sentence_transformers import SentenceTransformer
+sentences = ["This is an example sentence", "Each sentence is converted"]
+
+model = SentenceTransformer('antoinelouis/biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR')
+embeddings = model.encode(sentences)
+print(embeddings)
+```
+
+
+
+#### 🤗 Transformers
+
+Without [sentence-transformers](https://www.SBERT.net), you can use the model like this: First, you pass your input through the transformer model, then you have to apply the right pooling-operation on-top of the contextualized word embeddings.
+
+```python
+from transformers import AutoTokenizer, AutoModel
+import torch
+
+
+#Mean Pooling - Take attention mask into account for correct averaging
+def mean_pooling(model_output, attention_mask):
+    token_embeddings = model_output[0] #First element of model_output contains all token embeddings
+    input_mask_expanded = attention_mask.unsqueeze(-1).expand(token_embeddings.size()).float()
+    return torch.sum(token_embeddings * input_mask_expanded, 1) / torch.clamp(input_mask_expanded.sum(1), min=1e-9)
+
+
+# Sentences we want sentence embeddings for
+sentences = ['This is an example sentence', 'Each sentence is converted']
+
+# Load model from HuggingFace Hub
+tokenizer = AutoTokenizer.from_pretrained('antoinelouis/biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR')
+model = AutoModel.from_pretrained('antoinelouis/biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR')
+
+# Tokenize sentences
+encoded_input = tokenizer(sentences, padding=True, truncation=True, return_tensors='pt')
+
+# Compute token embeddings
+with torch.no_grad():
+    model_output = model(**encoded_input)
+
+# Perform pooling. In this case, mean pooling.
+sentence_embeddings = mean_pooling(model_output, encoded_input['attention_mask'])
+
+print("Sentence embeddings:")
+print(sentence_embeddings)
+```
+
+
+
+## Evaluation
+***
+
+
+
+We evaluated our model on the smaller development set of mMARCO-fr, which consists of 6,980 queries for a corpus of 8.8M candidate passages.
+|   MRR@10 |   NDCG@10 |   MAP@10 |   Recall@10 |   Recall@100 |   Recall@500 |
+|---------:|----------:|---------:|------------:|-------------:|-------------:|
+|    23.38 |     27.97 |    22.91 |        43.5 |        68.96 |        81.61 |
+
+
+Below, we compared its results with other biencoder models fine-tuned on the same dataset:
+|    | model                                                                                                                                                                  |   MRR@10 |   NDCG@10 |   MAP@10 |   Recall@10 |   Recall@100 (↑) |   Recall@500 |
+|---:|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------:|----------:|---------:|------------:|-------------:|-------------:|
+|  0 | [biencoder-camembert-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-camembert-base-mmarcoFR)                                                             |    28.53 |     33.72 |    27.93 |       51.46 |        77.82 |        89.13 |
+|  1 | [biencoder-all-mpnet-base-v2-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-all-mpnet-base-v2-mmarcoFR)                                                       |    28.04 |     33.28 |    27.5  |       51.07 |        77.68 |        88.67 |
+|  2 | [biencoder-multi-qa-mpnet-base-cos-v1-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-multi-qa-mpnet-base-cos-v1-mmarcoFR)                                     |    27.6  |     32.92 |    27.09 |       50.97 |        77.41 |        87.79 |
+|  3 | [biencoder-sentence-camembert-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-sentence-camembert-base-mmarcoFR)                                           |    27.63 |     32.7  |    27.01 |       50.1  |        76.85 |        88.73 |
+|  4 | [biencoder-distilcamembert-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-distilcamembert-base-mmarcoFR)                                                 |    26.8  |     31.87 |    26.23 |       49.2  |        76.44 |        87.87 |
+|  5 | [biencoder-mpnet-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-mpnet-base-mmarcoFR)                                                                     |    27.2  |     32.22 |    26.63 |       49.41 |        75.71 |        86.88 |
+|  6 | [biencoder-multi-qa-distilbert-cos-v1-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-multi-qa-distilbert-cos-v1-mmarcoFR)                                     |    26.36 |     31.26 |    25.82 |       47.93 |        75.42 |        86.78 |
+|  7 | [biencoder-bert-base-uncased-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-bert-base-uncased-mmarcoFR)                                                       |    26.3  |     31.14 |    25.74 |       47.67 |        74.57 |        86.33 |
+|  8 | [biencoder-msmarco-distilbert-cos-v5-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-msmarco-distilbert-cos-v5-mmarcoFR)                                       |    25.75 |     30.63 |    25.24 |       47.22 |        73.96 |        85.64 |
+|  9 | [biencoder-all-distilroberta-v1-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-all-distilroberta-v1-mmarcoFR)                                                 |    26.17 |     30.91 |    25.67 |       47.06 |        73.5  |        85.69 |
+| 10 | [biencoder-all-MiniLM-L6-v2-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-all-MiniLM-L6-v2-mmarcoFR)                                                         |    25.49 |     30.39 |    24.99 |       47.1  |        73.48 |        86.09 |
+| 11 | [biencoder-distilbert-base-uncased-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-distilbert-base-uncased-mmarcoFR)                                           |    25.18 |     29.83 |    24.64 |       45.77 |        73.16 |        85.13 |
+| 12 | [biencoder-msmarco-MiniLM-L12-cos-v5-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-msmarco-MiniLM-L12-cos-v5-mmarcoFR)                                       |    26.22 |     30.99 |    25.69 |       47.29 |        73.09 |        84.95 |
+| 13 | [biencoder-roberta-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-roberta-base-mmarcoFR)                                                                 |    25.94 |     30.72 |    25.43 |       46.98 |        73.07 |        84.76 |
+| 14 | [biencoder-distiluse-base-multilingual-cased-v1-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-distiluse-base-multilingual-cased-v1-mmarcoFR)                 |    24.57 |     29.08 |    24.04 |       44.51 |        72.54 |        85.13 |
+| 15 | [biencoder-multi-qa-MiniLM-L6-cos-v1-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-multi-qa-MiniLM-L6-cos-v1-mmarcoFR)                                       |    24.72 |     29.58 |    24.25 |       46.05 |        72.19 |        84.6  |
+| 16 | [biencoder-MiniLM-L12-H384-uncased-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-MiniLM-L12-H384-uncased-mmarcoFR)                                           |    25.43 |     30.1  |    24.88 |       46.13 |        72.16 |        83.84 |
+| 17 | [biencoder-mMiniLMv2-L12-H384-distilled-from-XLMR-Large-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-mMiniLMv2-L12-H384-distilled-from-XLMR-Large-mmarcoFR) |    24.74 |     29.41 |    24.23 |       45.4  |        71.52 |        84.42 |
+| 18 | [biencoder-electra-base-discriminator-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-electra-base-discriminator-mmarcoFR)                                     |    24.77 |     29.37 |    24.21 |       45.2  |        70.84 |        83.25 |
+| 19 | [biencoder-bert-medium-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-bert-medium-mmarcoFR)                                                                   |    23.86 |     28.56 |    23.39 |       44.47 |        70.57 |        83.58 |
+| 20 | [biencoder-msmarco-MiniLM-L6-cos-v5-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-msmarco-MiniLM-L6-cos-v5-mmarcoFR)                                         |    24.39 |     28.96 |    23.91 |       44.58 |        70.36 |        82.88 |
+| 21 | [biencoder-distilroberta-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-distilroberta-base-mmarcoFR)                                                     |    23.94 |     28.44 |    23.46 |       43.77 |        70.08 |        82.86 |
+| 22 | [biencoder-camemberta-base-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-camemberta-base-mmarcoFR)                                                           |    24.78 |     29.24 |    24.23 |       44.58 |        69.59 |        82.18 |
+| 23 | **biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR**                                                                                               |    23.38 |     27.97 |    22.91 |       43.5  |        68.96 |        81.61 |
+| 24 | [biencoder-bert-small-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-bert-small-mmarcoFR)                                                                     |    22.4  |     26.84 |    21.95 |       41.96 |        68.88 |        82.14 |
+| 25 | [biencoder-mMiniLM-L6-v2-mmarcoFR-v2-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-mMiniLM-L6-v2-mmarcoFR-v2-mmarcoFR)                                       |    22.87 |     27.26 |    22.37 |       42.3  |        68.78 |        81.39 |
+| 26 | [biencoder-MiniLM-L6-H384-uncased-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-MiniLM-L6-H384-uncased-mmarcoFR)                                             |    22.86 |     27.34 |    22.41 |       42.62 |        68.4  |        81.54 |
+| 27 | [biencoder-deberta-v3-small-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-deberta-v3-small-mmarcoFR)                                                         |    22.44 |     26.84 |    21.97 |       41.84 |        68.17 |        80.9  |
+| 28 | [biencoder-mMiniLMv2-L6-H384-distilled-from-XLMR-Large-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-mMiniLMv2-L6-H384-distilled-from-XLMR-Large-mmarcoFR)   |    22.29 |     26.57 |    21.8  |       41.25 |        66.78 |        79.83 |
+| 29 | [biencoder-bert-mini-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-bert-mini-mmarcoFR)                                                                       |    20.06 |     24.09 |    19.66 |       37.78 |        64.27 |        77.39 |
+| 30 | [biencoder-electra-small-discriminator-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-electra-small-discriminator-mmarcoFR)                                   |    20.32 |     24.36 |    19.9  |       38.16 |        63.98 |        77.23 |
+| 31 | [biencoder-deberta-v3-xsmall-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-deberta-v3-xsmall-mmarcoFR)                                                       |    17.7  |     21.29 |    17.31 |       33.59 |        58.76 |        73.45 |
+| 32 | [biencoder-bert-tiny-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-bert-tiny-mmarcoFR)                                                                       |    14.94 |     18.22 |    14.59 |       29.46 |        51.94 |        66.3  |
+| 33 | [biencoder-t5-small-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-t5-small-mmarcoFR)                                                                         |    12.44 |     15.1  |    12.14 |       24.28 |        47.82 |        63.37 |
+| 34 | [biencoder-bert-small-mmarcoFR](https://huggingface.co/antoinelouis/biencoder-bert-small-mmarcoFR)                                                                     |     0.22 |      0.28 |     0.21 |        0.5  |         1.25 |         2.34 |
+
+
+
+## Training
+***
+
+#### Background
+
+We used the [dbmdz/electra-base-french-europeana-cased-discriminator](https://huggingface.co/dbmdz/electra-base-french-europeana-cased-discriminator) model and fine-tuned it on a 500K sentence pairs dataset in French. We used a contrastive learning objective: given a sentence from the pair, the model should predict which out of a set of randomly sampled other sentences, was actually paired with it in our dataset. Formally, we compute the cos similarity from each possible sentence pairs from the batch. We then apply the cross entropy loss with a temperature of 0.05 by comparing with true pairs.
+
+#### Hyperparameters
+
+We trained the model on a single Tesla V100 GPU with 32GBs of memory during 20 epochs (i.e., 62.4k steps) using a batch size of 160. We used the AdamW optimizer with an initial learning rate of 2e-05, weight decay of 0.01, learning rate warmup over the first 500 steps, and linear decay of the learning rate. The sequence length was limited to 128 tokens.
+
+#### Data
+
+We used the French version of the [mMARCO](https://huggingface.co/datasets/unicamp-dl/mmarco) dataset to fine-tune our model. mMARCO is a multi-lingual machine-translated version of the MS MARCO dataset, a large-scale IR dataset comprising:
+- a corpus of 8.8M passages;
+- a training set of ~533k queries (with at least one relevant passage);
+- a development set of ~101k queries;
+- a smaller dev set of 6,980 queries (which is actually used for evaluation in most published works).
+Link: [https://ir-datasets.com/mmarco.html#mmarco/v2/fr/](https://ir-datasets.com/mmarco.html#mmarco/v2/fr/)
+
+
+
+## Citation
+
+```bibtex
+@online{louis2023,
+   author    = 'Antoine Louis',
+   title     = 'biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR: A Biencoder Model Trained on French mMARCO',
+   publisher = 'Hugging Face',
+   month     = 'may',
+   year      = '2023',
+   url       = 'https://huggingface.co/antoinelouis/biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR',
+}
+```

config.json

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+{
+  "_name_or_path": "dbmdz/electra-base-french-europeana-cased-discriminator",
+  "architectures": [
+    "ElectraModel"
+  ],
+  "attention_probs_dropout_prob": 0.1,
+  "classifier_dropout": null,
+  "embedding_size": 768,
+  "hidden_act": "gelu",
+  "hidden_dropout_prob": 0.1,
+  "hidden_size": 768,
+  "initializer_range": 0.02,
+  "intermediate_size": 3072,
+  "layer_norm_eps": 1e-12,
+  "max_position_embeddings": 512,
+  "model_type": "electra",
+  "num_attention_heads": 12,
+  "num_hidden_layers": 12,
+  "pad_token_id": 0,
+  "position_embedding_type": "absolute",
+  "summary_activation": "gelu",
+  "summary_last_dropout": 0.1,
+  "summary_type": "first",
+  "summary_use_proj": true,
+  "torch_dtype": "float32",
+  "transformers_version": "4.26.1",
+  "type_vocab_size": 2,
+  "use_cache": true,
+  "vocab_size": 32000
+}

config_sentence_transformers.json

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+{
+  "__version__": {
+    "sentence_transformers": "2.2.2",
+    "transformers": "4.26.1",
+    "pytorch": "2.1.0.dev20230321+cu117"
+  }
+}

dev_scores.csv

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+MRR@10,NDCG@10,MAP@10,Recall@10,Recall@100,Recall@500,model
+23.38,27.97,22.91,43.50,68.96,81.61,biencoder-electra-base-french-europeana-cased-discriminator-mmarcoFR

modules.json

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+[
+  {
+    "idx": 0,
+    "name": "0",
+    "path": "",
+    "type": "sentence_transformers.models.Transformer"
+  },
+  {
+    "idx": 1,
+    "name": "1",
+    "path": "1_Pooling",
+    "type": "sentence_transformers.models.Pooling"
+  }
+]

pytorch_model.bin

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+version https://git-lfs.github.com/spec/v1
+oid sha256:19c1a49347204358f56d6592d53bc1e4521a2ddeae3b47620066969f400b249f
+size 440177573

sentence_bert_config.json

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+{
+  "max_seq_length": 128,
+  "do_lower_case": false
+}

special_tokens_map.json

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+{
+  "cls_token": "[CLS]",
+  "mask_token": "[MASK]",
+  "pad_token": "[PAD]",
+  "sep_token": "[SEP]",
+  "unk_token": "[UNK]"
+}

tokenizer_config.json

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+{
+  "cls_token": "[CLS]",
+  "do_basic_tokenize": true,
+  "do_lower_case": false,
+  "mask_token": "[MASK]",
+  "max_len": 512,
+  "model_max_length": 128,
+  "name_or_path": "dbmdz/electra-base-french-europeana-cased-discriminator",
+  "never_split": null,
+  "pad_token": "[PAD]",
+  "sep_token": "[SEP]",
+  "special_tokens_map_file": null,
+  "strip_accents": null,
+  "tokenize_chinese_chars": true,
+  "tokenizer_class": "ElectraTokenizer",
+  "unk_token": "[UNK]"
+}