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README.md
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- accuracy
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tags:
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- chemistry
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---
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- accuracy
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tags:
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- chemistry
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---
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# Molecular BERT Pretrained Using ChEMBL Database
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This model has been pretrained based on the methodology outlined in the paper [Pushing the Boundaries of Molecular Property Prediction for Drug Discovery with Multitask Learning BERT Enhanced by SMILES Enumeration](https://spj.science.org/doi/10.34133/research.0004). While the original model was initially trained using custom code, it has been adapted for use within the Hugging Face Transformers framework in this project.
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## Model Details
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The model architecture utilized is based on BERT. Here are the key configuration details:
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```
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BertConfig(
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vocab_size=len(tokenizer_pretrained.vocab),
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hidden_size=256,
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num_hidden_layers=8,
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num_attention_heads=8,
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intermediate_size=1024,
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hidden_act="gelu",
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hidden_dropout_prob=0.1,
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attention_probs_dropout_prob=0.1,
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max_position_embeddings=max_seq_len,
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type_vocab_size=1,
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pad_token_id=tokenizer_pretrained.vocab["[PAD]"],
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position_embedding_type="absolute"
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)
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```
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## Pretraining Database
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The model was pretrained using data from the ChEMBL database, specifically version 33. You can download the database from [ChEMBL](https://ftp.ebi.ac.uk/pub/databases/chembl/ChEMBLdb/latest/).
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## Performance
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The accuracy score achieved by the pretrained model is 0.9672. The testing dataset used for evaluation constitutes 10% of the ChEMBL dataset.
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