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📖 Introduction

This is the official repository for the paper "Know What I don't Know: Handling Ambiguous and Unknown Questions for Text-to-SQL".

In this paper, we propose a simple yet effective counterfactual example generation approach that automatically produces ambiguous and unanswerable text-to-SQL examples. Furthermore, we propose a weakly supervised DTE (Detecting-Then-Explaining) model for error detection, localization, and explanation.

DTE aims to detect unanswerable and ambiguous spans in user question and give explainations to end-users by probing grounding knowledge from pretrained language models.

⚡️ Environment

config your local environment.

conda create -n dte python=3.7
conda activate dte
conda install pytorch==1.7.1    cudatoolkit=10.1 -c pytorch
pip install -r requirements.txt

set your own wandb key, get it from https://wandb.ai/home:

export WANDB_API_KEY=your_own_key_abcd

🔧 Data Preparation

We put the data in data folder. You can download the data from here. Unzip the data.zip and put the subfolders in data folder.

🔨 Model Training

Training scripts: run.sh. Before your training, please figure out every command and arguments, and change user-related, path-related and gpu-device-related arguments to your own environment. The training time is about 3 hours in 4 x 16G V100.

Usage:

chmod +x run.sh
./run.sh exp_name

💬 Citation

If you find our work is helpful, please cite as:

@inproceedings{wang-etal-2023-know,
    title = "Know What {I} don{'}t Know: Handling Ambiguous and Unknown Questions for Text-to-{SQL}",
    author = "Wang, Bing and Gao, Yan and Li, Zhoujun  and Lou, Jian-Guang",
    booktitle = "Findings of ACL 2023",
    address = "Toronto, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2023.findings-acl.352",
    doi = "10.18653/v1/2023.findings-acl.352",
    pages = "5701--5714"
}

👍 Contributing

We welcome contributions and suggestions!