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SpanEmo

Source code for the paper "SpanEmo: Casting Multi-label Emotion Classification as Span-prediction" in EACL2021.

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Dependencies

We used Python=3.6, torch=1.2.0. Other packages can be installed via:

pip install -r requirements.txt

The model was trained on an Nvidia GeForce GTX1080 with 11GB memory, Ubuntu 18.10.

Usage

You first need to download the dataset Link for the language of your choice (i.e., English, Arabic or Spanish) and then place them in the data directory data/.

Next, run the main script to do the followings:

  • data loading and preprocessing
  • model creation and training

Training

python scripts/train.py --train-path {} --dev-path {}

Options:
    -h --help                         show this screen
    --loss-type=<str>                 which loss to use cross-ent|corr|joint. [default: cross-entropy]
    --max-length=<int>                text length [default: 128]
    --output-dropout=<float>          prob of dropout applied to the output layer [default: 0.1]
    --seed=<int>                      fixed random seed number [default: 42]
    --train-batch-size=<int>          batch size [default: 32]
    --eval-batch-size=<int>           batch size [default: 32]
    --max-epoch=<int>                 max epoch [default: 20]
    --ffn-lr=<float>                  ffn learning rate [default: 0.001]
    --bert-lr=<float>                 bert learning rate [default: 2e-5]
    --lang=<str>                      language choice [default: English]
    --dev-path=<str>                  file path of the dev set [default: '']
    --train-path=<str>                file path of the train set [default: '']
    --alpha-loss=<float>              weight used to balance the loss [default: 0.2]

Once the above step is done, you can then evaluate on the test set using the trained model:

Evaluation

python scripts/test.py --test-path {} --model-path {}

Options:
    -h --help                         show this screen
    --model-path=<str>                path of the trained model
    --max-length=<int>                text length [default: 128]
    --seed=<int>                      seed [default: 0]
    --test-batch-size=<int>           batch size [default: 32]
    --lang=<str>                      language choice [default: English]
    --test-path=<str>                 file path of the test set [default: ]

Citation

Please cite the following paper if you found it useful. Thanks:)

@inproceedings{alhuzali-ananiadou-2021-spanemo,
    title = "{S}pan{E}mo: Casting Multi-label Emotion Classification as Span-prediction",
    author = "Alhuzali, Hassan  and
      Ananiadou, Sophia",
    booktitle = "Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume",
    month = apr,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://www.aclweb.org/anthology/2021.eacl-main.135",
    pages = "1573--1584",
}