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End-to-end probabilistic entity resolution via implicit differentiation.

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Probabilistic Entity Resolution

Setup the Conda Environment

To install this package, run the following:

conda create -y --name s2and python==3.7
conda activate s2and
pip install -r requirements.in
pip install -e .

If you run into cryptic errors about GCC on macOS while installing the requirments, try this instead:

CFLAGS='-stdlib=libc++' pip install -r requirements.in

Download S2AND Data

To obtain the S2AND dataset, run the following command after the package is installed (from inside the S2AND directory):
[Expected download size is: 50.4 GiB]

aws s3 sync --no-sign-request s3://ai2-s2-research-public/s2and-release data/

Note that this software package comes with tools specifically designed to access and model the dataset.

Setup Configuration

Modify the config file at data/path_config.json. This file should look like this

{
    "main_data_dir": "absolute path to wherever you downloaded the data to",
    "internal_data_dir": "ignore this one unless you work at AI2"
}

As the dummy file says, main_data_dir should be set to the location of wherever you downloaded the data to, and internal_data_dir can be ignored, as it is used for some scripts that rely on unreleased data, internal to Semantic Scholar.

Preprocess Dataset

Run the Preprocessing step for each dataset, this step creates the following directory structure:

/data
 -> /{dataset}
    -> /seed{seed #}
        -> pickle files stored here

2 kinds of pickle files are created and stored for each split of the data (train/test/val), following this naming convention: train_features.pkl, train_signatures.pkl.

The features pickle contains a dictionary of type: Dict[block_id: str, Tuple[features: np.ndarray, labels: np.ndarray, cluste_ids: np.ndarray]]. NOTE: The pairwise features are compressed in order to be stored as a n(n-1)/2 matrix rather than an nxn symmetric matrix. The signatures pickle contains all the metadata for each signature in a block.

Sample command:

python e2e_scripts/preprocess_s2and_data.py --data_home_dir="./data" --dataset_name="pubmed"

End-to-end model training

The end-to-end model is defined in file e2e_pipeline/model.py. For training this model, run e2e_scripts/train.py

Sample command for a single-run (i.e. not a sweep):

python e2e_scripts/train.py --overfit_batch_idx=0

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