readme: ---
  language: en
  datasets:
  - emo
  ---
  
  ## Emo-MobileBERT: a thin version of BERT LARGE, trained on the EmoContext Dataset from scratch
  
  ### Details of MobileBERT
  
  The **MobileBERT** model was presented in [MobileBERT: a Compact Task-Agnostic BERT for Resource-Limited Devices](https://arxiv.org/abs/2004.02984) by *Zhiqing Sun, Hongkun Yu, Xiaodan Song, Renjie Liu, Yiming Yang, Denny Zhou* and here is the abstract:
  
  Natural Language Processing (NLP) has recently achieved great success by using huge pre-trained models with hundreds of millions of parameters. However, these models suffer from heavy model sizes and high latency such that they cannot be deployed to resource-limited mobile devices. In this paper, we propose MobileBERT for compressing and accelerating the popular BERT model. Like the original BERT, MobileBERT is task-agnostic, that is, it can be generically applied to various downstream NLP tasks via simple fine-tuning. Basically, MobileBERT is a thin version of BERT_LARGE, while equipped with bottleneck structures and a carefully designed balance between self-attentions and feed-forward networks. To train MobileBERT, we first train a specially designed teacher model, an inverted-bottleneck incorporated BERT_LARGE model. Then, we conduct knowledge transfer from this teacher to MobileBERT. Empirical studies show that MobileBERT is 4.3x smaller and 5.5x faster than BERT_BASE while achieving competitive results on well-known benchmarks. On the natural language inference tasks of GLUE, MobileBERT achieves a GLUEscore o 77.7 (0.6 lower than BERT_BASE), and 62 ms latency on a Pixel 4 phone. On the SQuAD v1.1/v2.0 question answering task, MobileBERT achieves a dev F1 score of 90.0/79.2 (1.5/2.1 higher than BERT_BASE).
  
  ### Details of the downstream task (Emotion Recognition) - Dataset 📚
  
  SemEval-2019 Task 3: EmoContext Contextual Emotion Detection in Text
  
  In this dataset, given a textual dialogue i.e. an utterance along with two previous turns of context, the goal was to infer the underlying emotion of the utterance by choosing from four emotion classes:
  
   - sad 😢
   - happy 😃
   - angry 😡
   - others
  
  ### Model training
  
  The training script is present [here](https://github.com/lordtt13/transformers-experiments/blob/master/Custom%20Tasks/emo-mobilebert.ipynb).
  
  ### Pipelining the Model
  
  ```python
  from transformers import AutoTokenizer, AutoModelForSequenceClassification, pipeline
  
  tokenizer = AutoTokenizer.from_pretrained("lordtt13/emo-mobilebert")
  
  model = AutoModelForSequenceClassification.from_pretrained("lordtt13/emo-mobilebert")
  
  nlp_sentence_classif = transformers.pipeline('sentiment-analysis', model = model, tokenizer = tokenizer)
  nlp_sentence_classif("I've never had such a bad day in my life")
  # Output: [{'label': 'sad', 'score': 0.93153977394104}]
  ```
  
  > Created by [Tanmay Thakur](https://github.com/lordtt13) | [LinkedIn](https://www.linkedin.com/in/tanmay-thakur-6bb5a9154/)
  