NewsMTSC: (Multi-)Target-dependent Sentiment Classification in News Articles
NewsMTSC is a dataset for target-dependent sentiment classification (TSC) on news articles reporting on policy issues. The dataset consists of more than 11k labeled sentences, which we sampled from news articles from online US news outlets. More information can be found in our paper published at the EACL 2021.
This repository contains the dataset for target-dependent sentiment classification in news articles reporting on policy issues. Additionally, the repository contains our model named GRU-TSC, which achieves state-of-the-art TSC classification performance on NewsMTSC. Check it out - it works out of the box :-)
This readme consists of the following parts:
If you are only looking for the dataset, you can download it here or view it here.
To make the model available also to users without programming skills, we aimed to make the installation and using the model as easy as possible. If you face any issue with using the model or notice an issue in our dataset, you are more than welcome to open an issue.
Installation
It's super easy, we promise!
To keep things easy, we use Anaconda for setting up requirements. If you do not have it yet, follow Anaconda's installation instructions. NewsMTSC was tested on MacOS and Ubuntu; other OS may work, too. Let us know :-)
1. Setup the conda environment:
conda create --yes -n newsmtsc python=3.7
conda activate newsmtsc
2. Clone the repository:
git clone [email protected]:fhamborg/NewsMTSC.git
cd NewsMTSC
3. Install pytorch:
Choose either of the following. Either use this command if your GPU supports CUDA:
conda install --yes "pytorch=1.7.1" torchvision cudatoolkit=10.1 -c pytorch
Or use this command if your GPU does not support CUDA, you don't know what CUDA is, or if the previous command gives you an error:
conda install --yes "pytorch=1.7.1" torchvision -c pytorch
4. Install remaining packages:
conda install --yes pandas tqdm scikit-learn
conda install --yes -c conda-forge boto3 regex sacremoses jsonlines matplotlib tabulate imbalanced-learn "spacy>=2.1,<3"
conda install --yes -c anaconda requests gensim openpyxl networkx
pip install "transformers>=3.1.0,<4"
python -m spacy download en_core_web_sm
5. Download our model:
python download.py
You're all set now :-)
Target-dependent Sentiment Classification
Target-dependent sentiment classification works out-of-the-box. Have a look at infer.py or give it a try:
python infer.py
Training
There are two entry points to the system. train.py is used to train and evaluate a specific model on a specific dataset using specific hyperparameters. We call a single run an experiment. controller.py is used to run multiple experiments automatically. This is for example useful for model selection and evaluating hundreds or thousands of combinations of models, hyperparameters, and datasets.
Running a single experiment
Goal: training a model with a user-defined (hyper)parameter combination.
train.py allows fine-grained control over the training and evaluation process, yet for most command line arguments we provide useful defaults. Two arguments are required:
--own_model_name(which model is used, e.g.,grutsc),--dataset_name(which dataset is used, e.g.,newsmtsc-rw).
For more information refer to train.py and combinations_absadata_0.py. If you just want to get started quickly, the command below should work out of the box.
python train.py --own_model_name grutsc --dataset_name newsmtsc-rw
Running multiple experiments
Goal: finding the (hyper)parameter combination to train a model that achieves the best performance.
controller.py takes a set of values for each argument, creates combinations of arguments, applies conditions to remove unnecessary combinations (e.g., some arguments may only be used for a specific model), and creates a multiprocessing pool to run experiments of these argument combinations in parallel. After completion, controller.py creates a summary, which contains detailed results, including evaluation performance, of all experiments. By using createoverview.py, you can export this summary into an Excel spreadsheet.
Acknowledgements
This repository is in part based on ABSA-PyTorch. We thank Song et al. for making their excellent repository open source.
How to cite
If you use the dataset or model, please cite our paper (PDF):
@InProceedings{Hamborg2021b,
author = {Hamborg, Felix and Donnay, Karsten},
title = {NewsMTSC: (Multi-)Target-dependent Sentiment Classification in News Articles},
booktitle = {Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2021)},
year = {2021},
month = {Apr.},
location = {Virtual Event},
}
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