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[EMNLP Findings 2022] ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs

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ReaRev [EMNLP 2022]

This is the code for the EMNLP 2022 Findings paper: ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs.

PWC

Overview

Our methods improves instruction decoding and execution for KGQA via adaptive reasoning, as shown:

Get Started

We have simple requirements in `requirements.txt'. You can always check if you can run the code immediately.

We use the pre-processed data from: https://drive.google.com/drive/folders/1qRXeuoL-ArQY7pJFnMpNnBu0G-cOz6xv Download it and extract it to a folder named "data".

Acknowledgements:

NSM: Datasets (webqsp, CWQ, MetaQA) / Code.

GraftNet: Datasets (webqsp incomplete, MetaQA) / Code.

Training

To run Webqsp:

python main.py ReaRev --entity_dim 50 --num_epoch 200 --batch_size 8 --eval_every 2 \ 
--data_folder data/webqsp/ --lm sbert --num_iter 3 --num_ins 2 --num_gnn 2 \
--relation_word_emb True --experiment_name Webqsp322 --name webqsp

To run CWQ:

python main.py ReaRev --entity_dim 50 --num_epoch 100 --batch_size 8 --eval_every 2 \
--data_folder data/CWQ/ --lm sbert --num_iter 2 --num_ins 3 --num_gnn 3 \
--relation_word_emb True --experiment_name CWQ --name cwq

To run MetaQA-3:

python main.py ReaRev --entity_dim 50 --num_epoch 10 --batch_size 8 --eval_every 2  \
--data_folder data/metaqa-3hop/  --lm lstm --num_iter 2 --num_ins 3 --num_gnn 3  \
--relation_word_emb False --experiment_name metaqa3 --name metaqa 

For incomplete Webqsp, see 'data/incomplete/' (after obtaining them by GraftNet). If you cannot afford a lot of memory for CWQ, use the '--data_eff' argument (see our arguments in `parsing.py').

Results

We also provide some pretrained ReaRev models (ReaRev_webqsp.ckpt, ReaRev_webqsp_v2.ckpt, ReaRev_CWQ.ckpt). You can download them from here. Please extract them to a folder `checkpoint/pretrain/'.

To reproduce Webqsp results, run:

python main.py ReaRev --entity_dim 50 --num_epoch 200 --batch_size 8 --eval_every 2 --data_folder data/webqsp/ --lm sbert --num_iter 3 --num_ins 2 --num_gnn 3 --relation_word_emb True --load_experiment ReaRev_webqsp.ckpt --is_eval --name webqsp

or

python main.py ReaRev --entity_dim 50 --num_epoch 200 --batch_size 8 --eval_every 2 --data_folder data/webqsp/ --lm sbert --num_iter 3 --num_ins 2 --num_gnn 2 --relation_word_emb True --load_experiment ReaRev_webqsp_v2.ckpt --is_eval --name webqsp

To reproduce CWQ results, run:

python main.py ReaRev --entity_dim 50 --num_epoch 100 --batch_size 8 --eval_every 2 --data_folder .data/CWQ/ --lm sbert --num_iter 2 --num_ins 3 --num_gnn 3 --relation_word_emb True --load_experiment ReaRev_CWQ.ckpt --is_eval --name cwq
Models Webqsp CWQ MetaQA-3hop
KV-Mem 46.7 21.1 48.9
GraftNet 66.4 32.8 77.7
PullNet 68.1 45.9 91.4
NSM-distill 74.3 48.8 98.9
ReaRev 76.4 52.9 98.9

Cite

If you find our code or method useful, please cite our work as

@article{mavromatis2022rearev,
  title={ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs},
  author={Mavromatis, Costas and Karypis, George},
  journal={arXiv preprint arXiv:2210.13650},
  year={2022}
}

or

@inproceedings{mavromatis-karypis-2022-rearev,
    title = "{R}ea{R}ev: Adaptive Reasoning for Question Answering over Knowledge Graphs",
    author = "Mavromatis, Costas  and
      Karypis, George",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2022",
    month = dec,
    year = "2022",
    address = "Abu Dhabi, United Arab Emirates",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2022.findings-emnlp.181",
    pages = "2447--2458",
}

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