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Introduction

This repository is for our ACL2023 findings paper:

OpenPI-C: A Better Benchmark and Stronger Baseline for Open-Vocabulary State Tracking

The code is based on the original OpenPI dataset: https://allenai.org/data/openpi

Dataset

OpenPI Dataset files are available in JSON format under data. There are four files: {train,dev,test}.jsonl and test.jsonl.clustered.

The three files {train,dev,test}.jsonl are of the same format representing the training, development and test sets respectively. Each line is a json representing a data point, i.e., one step in a process. An example is as follows:

{
  "id": [
    "www.wikihow.com/Stop-a-Mosquito-Bite-from-Itching-Using-a-Spoon",
    1
  ],
  "query": "It\u2019s always a good idea to disinfect an area that has been bitten or stung by an insect.",
  "answers": [
    [
      "skin",
      "cleanness",
      "clean",
      "covered in disinfectant"
    ],
    [
      "disinfectant",
      "location",
      "in bottle",
      "on bite"
    ]
  ]
}

The json contains three fields:

  1. id: a two-tuple. The first item of the tuple is the ID for the process, and the second item represents which step it is in the process.
  2. query: the description of the current step.
  3. answers: the 4-tuples state tracking results. This field is a list where each item is a 4-tuple representing (entity, attribute, pre-state, post-state).

To facilitate cluster-based F1 evaluation, we pre-cluster test.jsonl into test.jsonl.clustered. It's basically the same as test.jsonl except an additional field named answer_clusters. The field is a list of integers with the same length as answers. Each item in answer_clusters represents which cluster the corresponding item in answers belongs to.

Environment Setup

To set up the environment, it's recommended to create a new conda environment as follows:

conda create -y -n openpi-c python=3.8
conda activate openpi-c

Then install pytorch==1.7.0 as in https://pytorch.org/get-started/previous-versions/. For example, with CUDA 10.1:

conda install pytorch==1.7.0 torchvision==0.8.0 torchaudio==0.7.0 cudatoolkit=10.1 -c pytorch

Finally, install the requirements via pip:

pip install -r requirements.txt

Unfortunately, due to version conflict, this environment doesn't support installing sentence-transformers and thus doesn't support cluster-based F1 evaluation. We need to create a separate environment for cluster-based evaluation. The requirements for this environment are in requirements.cluster-f1.txt. I'll recommend creating the environment as follows:

conda create -y -n cluster-f1 python=3.8
conda activate cluster-f1
conda install pytorch==1.7.0 torchvision==0.8.0 torchaudio==0.7.0 cudatoolkit=10.1 -c pytorch # depending on your cuda version
pip install -r requirements.cluster-f1.txt

Before running cluster-based F1 scripts (as in Cluster-based F1), you should first activate this cluster-f1 environment.

Training and Evaluation

BART

For quickly reproducing our experiments, you can run the following scripts:

bash scripts/train_baseline.sh  # for training BART baseline
bash scripts/train_concat-states.sh  # for training BART+concat states model
bash scripts/train_econd.sh  # for training ECond model
bash scripts/train_emem.sh  # for training EMem model

Similarly, for evaluating BART baseline, BART+concat states and EMem model, simply run:

bash scripts/infer_baseline.sh  # for evaluating BART baseline
bash scripts/infer_concat-states.sh  # for evaluating BART+concat states model
bash scripts/infer_emem.sh  # for evaluating EMem model

However, for evaluating BART+ECond, you first need to run evaluation for the BART baseline. Then, the generation outputs would be at exps/baseline_facebook-bart-large/gen-out.formatted.jsonl. Then run evaluation for BART+ECond as follows:

bash scripts/infer_econd.sh exps/baseline_facebook-bart-large/gen-out.formatted.jsonl

Similarly, for evaluating BART+EMem+ECond, first run evaluation for BART+EMem and get the generation outputs at exps/emem_facebook-bart-large/gen-out.formatted.jsonl. Then, run evaluation for BART+EMem+ECond as follows:

bash scripts/infer_econd.sh exps/emem_facebook-bart-large/gen-out.formatted.jsonl

Cluster-based F1

Unfortunately, due to the version conflict mentioned in the Environment Setup section, previous scripts are unable to produce cluster-based F1 numbers. To calculate cluster-based F1 results, first activate the corresponding environment such as:

conda activate cluster-f1

Then run scripts/cluster-based-f1.sh based on the generation outputs. For example, for the BART baseline:

bash scripts/cluster-based-f1.sh exps/baseline_facebook-bart-large/gen-out.formatted.jsonl

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