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InsGenEntityLinking

Official Implementation of the EMNLP 2023 paper on "Instructed Language Models with Retriever Are Powerful Entity Linkers". Code, checkpoints and documents are being organized and kept being updated.

Environment

During the time of development, the implementation of LLaMA in transformers is not stable, so we provided an adapted version in this repo. Be sure to uninstall the local transformers package before running the code, running it in a clean environment or changing the order of PYTHONPATH so that local packages have higher priority than the installed ones.

Dataset Preparation

Wikipedia Training Data

  1. Download the latest Wikipedia English dump from here.

  2. Install wikipedia2vec from PyPI.:

    pip install wikipedia2vec

  3. Run the following command to use wikipedia2vec to build dump db from the downloaded Wikipedia dump. Dump db allows parallel access to the Wikipedia dump.

    wikipedia2vec build-dump-db enwiki-latest-pages-articles.xml.bz2 enwiki-latest-pages-articles.db

  4. Run the following command to convert from dump db to jsonl input-output format of InsGenEL. You may need to change the hard-coded paths in the script.

    python data_scripts/wiki_dump.py

Now you have a jsonl file containing the training pairs for InsGenEL.

Entity Linking Evaluation Data

We follow the procedures of elevant to prepare the evaluation data. To begin, clone the repo first:

git clone https://github.com/ad-freiburg/elevant

Evaluation data should be in it. Run the following command to download the evaluation mappings:

make download_all

Training

deepspeed --num-gpus=8 universal_train.py --model_name_or_path ./llama_hf_7B --train_jsonl_path /home/v-zilinxiao/data/dataset/wiki_full_eval_only/wiki_eval_sample_0.2.jsonl --empty_instruction False --bf16 False --output_dir ./llama_7B_final_checkpoint/ --num_train_epochs 1 --per_device_train_batch_size 3 --per_device_eval_batch_size 3 --gradient_accumulation_steps 1 --save_strategy steps --save_steps 50000 --save_total_limit 10 --learning_rate 2e-5 --weight_decay 0. --lr_scheduler_type polynomial --warmup_ratio 0.03 --logging_steps 10 --deepspeed ./deepspeed_configs/ds_config_zero3.json --fp16 --report_to wandb --run_name llama_7B_final_checkpoint --tf32 False

Above command should take 61 hours on 8 V100-SXM-32GB GPUs with NVLink.

Evaluation

As we opt in the modern toolkit elevant for evaluating entity linking performance, we build an persistent API for elevant so that it receives the output of InsGenEL and returns the evaluation results.

First, open a terminal and run the following command to start the API server:

PYTHONPATH=. python eval/persistent_el_eval.py

To faciliate the evaluation, we provide a watch-dog script that consistently monitors the output directory of InsGenEL and evaluate the latest model on the evaluation data. To use it, open another terminal and run the following command:

CUDA_VISIBLE_DEVICES=0 PYTHONPATH=src/ python eval/universal_offline_eval.py --watch_path ./llama_7B_EL_full_evalsample_0.5 --checkpoint_name .

Result log files will be saved in the format of "elevant_results_*.log" in the checkpoint directory.

Acknowledgement

We thank the authors of elevant, wikipedia2vec and GENRE and parts of our code are borrowed from them with minor modifications.

Citation

@inproceedings{xiao-etal-2023-instructed,
    title = "Instructed Language Models with Retrievers Are Powerful Entity Linkers",
    author = "Xiao, Zilin  and
      Gong, Ming  and
      Wu, Jie  and
      Zhang, Xingyao  and
      Shou, Linjun  and
      Jiang, Daxin",
    editor = "Bouamor, Houda  and
      Pino, Juan  and
      Bali, Kalika",
    booktitle = "Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing",
    month = dec,
    year = "2023",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2023.emnlp-main.139",
    doi = "10.18653/v1/2023.emnlp-main.139",
    pages = "2267--2282"
}