GLGE: A New General Language Generation Evaluation Benchmark

Tasks | Dataset | Leaderboard | Baselines | Paper

Updates

• 2020-10-14: Initialization.

Introduction

This repository contains information about the general langugae generation evaluation benchmark GLGE, which is composed of 8 language generation tasks, including Abstractive Text Summarization (CNN/DailyMail, Gigaword, XSUM, MSNews), Answer-aware Question Generation (SQuAD 1.1, MSQG), Conversational Question Answering (CoQA), and Personalizing Dialogue (Personachat). In order to provide more diversified difficulty challenges, we provide 3 different difficulty versions (easy, medium, and hard) for each task.

The 8 NLG tasks in GLGE:

Tasks

The 8 tasks in GLGE can be categorized into 4 groups: Abstractive Text Summarization tasks, Answer-aware Question Generation tasks, Conversational Question Answering task, and Personalizing Dialogue task.

Abstractive Text Summarization Tasks

CNN/DailyMail

CNN/DailyMail \cite{hermann2015cnndm} dataset contains 220K articles from the Daily Mail newspapers, and 93K articles from the CNN. Each article contains a bullet point summary. GLGE use the non-anonymized variant used in \cite{see2017get}. After the pre-processing, there are 311,971 <article, summary> data pairs, where the source input is the article, and the target output is the summary which consists of multiple sentences. ROUGE-1, ROUGE-2, and ROUGE-L are used as the metrics.

Gigaword

Gigaword \cite{rush2015neural} contains 4M examples extracted from the news articles of the Gigaword corpus \cite{graff2003gigaword}. After the pre-processing, there are 3,995,559 <article, summary> data pairs, where the source input is the the first sentence of the article, and the target output is the headline that often only contains a single sentence. ROUGE-1, ROUGE-2, and ROUGE-L are used as the metrics.

XSUM

XSUM \cite{narayan2018don} consists of 227K online articles from the British Broadcasting Corporation (BBC), which contains professionally written single-sentence summaries. After the pre-processing, there are 226,677 <article, summary> data pairs, where the source input is the the news article, and the target output is a single summary sentence. ROUGE-1, ROUGE-2, and ROUGE-L are used as the metrics.

MSNews

We collect 202K online news articles from a real world search engine. Each article contains a professionally written single-sentence headline. After the pre-processing, there are 201,947 <article, headline> data pairs, where the source input is the news article, and the target output is a news headline. ROUGE-1, ROUGE-2, and ROUGE-L are used as the evaluation metrics.

Answer-aware Question Generation Tasks

SQuAD 1.1

SQuAD 1.1 cite{rajpurkar2016squad} dataset contains 536 Wikipedia articles with over 100k Amazon Mechanical Turks crowd-worker created questions posed about the articles with the corresponding answer span. Since the original hidden test set of the SQuAD 1.1 is hidden, we re-split the dataset with the examples from the original training set and dev set. After the pre-processing, there are 98,169 <answer, passage, question> data triples the source input is a Wikipedia passage along with an answer span, and the target output is a question. ROUGE-L, BLEU-4, and METEOR are used as the metrics.

MSQG

We collect 222K passages from a real world search engine. Each passage contains a highlight span and a related query. After the pre-processing, there are 221,657 <highlight span, passage, question> data triples, where the source input is a news passage along with highlight span, and the target output is a user question. ROUGE-L, BLEU-4, and METEOR are used as the metrics.

Answer-aware Question Generation Tasks

CoQA

CoQA \cite{reddy2019coqa} dataset contains 127K questions with answers, obtained from 8k conversations about text passages from seven diverse domains. After the pre-processing, there are 116,630 <conversation history, passage, question, answer> data 4-tuples, where the source input is a sequence of conversation history along with a given question and a give passage, and the target output is a free-form answer text. F1-Score is used as the metrics.

Conversational Question Answering Task

PersonaChat

PersonaChat \cite{zhang2018personalizing} dataset is consist of 162,064 utterances, which require models generate responses according to given multi-turn conversations and persona profile. After the pre-processing, there are 151,157 <persona profile description text, conversation history, response> data triples, where the source input is a sequence of conversation history along with several sentences of persona profile description text, and the target output is a response. BLEU-1, BLEU-2, Distinct-1, and Distinct-2 are used as the metrics.

Get Dataset

In order to use our dataset, please navigate to GLGE Leaderboard and agree to our terms of service. After you do so a download link will be made available.

Get Baselines

We put the baselines to ProphetNet repo. It contains the pre-trained models, fine-tuning scripts, and evaluation scripts for GLGE.

Leaderboard Submission

Submissions

To submit your predictions for evaluation, please create a single folder which contains the prediction files (see submission_examples for an example). The prediction file shoud be named with the following format: {task}.{version}.test where {version} is the difficulty versions (easy, medium, and hard), task is the task name (cnndm, gigaword, xsum, msnews, sqaudqg, msqg, coqa, and personachat ). Please validate that you have done this correctly by evaluating against the development file. Once that is done email your submission. We will reply with your model performance.

Paper

If you use our benchmark or dataset, please cite our paper \cite{Liu2020GLGE}.

GLGE: A New General Language Generation Evaluation Benchmark

Additionally, since GLGE is also built out of exiting 6 datasets, please ensure you cite all of them.

An example: We evaluate our model using the GLGE benchmark \cite{Liu2020GLGE}, a general langugae generation evaluation benchmark consiting of CNN/DailyMail \cite{hermann2015cnndm} \cite{see2017get}, Gigaword \cite{rush2015neural} \cite{graff2003gigaword}, XSum \cite{narayan2018don}, MSNews, SQuAD 1.1 cite{rajpurkar2016squad}, MSQG, CoQA \cite{reddy2019coqa}, and PersonaChat \cite{zhang2018personalizing}.

Bibtex for external datasets used in GLGE:

@inproceedings{hermann2015cnndm,
  title={Teaching machines to read and comprehend},
  author={Hermann, Karl Moritz and Kocisky, Tomas and Grefenstette, Edward and Espeholt, Lasse and Kay, Will and Suleyman, Mustafa and Blunsom, Phil},
  booktitle={NIPS},
  pages={1693--1701},
  year={2015}
}

@inproceedings{see2017get,
  title={Get to the point: Summarization with pointer-generator networks},
  author={See, Abigail and Liu, Peter J and Manning, Christopher D},
  booktitle={ACL},
  pages={1073--1083},
  year={2017}
}

@inproceedings{rush2015neural,
  title={A neural attention model for abstractive sentence summarization},
  author={Rush, Alexander M and Chopra, Sumit and Weston, Jason},
  booktitle={EMNLP},
  pages={379-389},
  year={2015}
}

@article{graff2003gigaword,
  title={English gigaword},
  author={Graff, David and Kong, Junbo and Chen, Ke and Maeda, Kazuaki},
  journal={Linguistic Data Consortium, Philadelphia},
  volume={4},
  number={1},
  pages={34},
  year={2003}
}

@inproceedings{narayan2018don,
  title={Don't give me the details, just the summary! topic-aware convolutional neural networks for extreme summarization},
  author={Narayan, Shashi and Cohen, Shay B and Lapata, Mirella},
  booktitle={EMNLP},
  pages={1797--1807},
  year={2018}
}

@inproceedings{rajpurkar2016squad,
  title={Squad: 100,000+ questions for machine comprehension of text},
  author={Rajpurkar, Pranav and Zhang, Jian and Lopyrev, Konstantin and Liang, Percy},
  booktitle={EMNLP},
  pages={2383--2392},
  year={2016}
}

@article{reddy2019coqa,
  title={Coqa: A conversational question answering challenge},
  author={Reddy, Siva and Chen, Danqi and Manning, Christopher D},
  journal={TACL},
  volume={7},
  pages={249--266},
  year={2019}
}

@inproceedings{zhang2018personalizing,
  title={Personalizing dialogue agents: I have a dog, do you have pets too?},
  author={Zhang, Saizheng and Dinan, Emily and Urbanek, Jack and Szlam, Arthur and Kiela, Douwe and Weston, Jason},
  booktitle={ACL},
  pages={2204--2213},
  year={2018}
}

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