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metadata
language:
  - en
license: mit
size_categories:
  - 10K<n<100K
pretty_name: Semantically-augmented FEVER for NLI
dataset_info:
  features:
    - name: id
      dtype: string
    - name: premise
      dtype: string
    - name: hypothesis
      dtype: string
    - name: label
      dtype: string
    - name: wsd
      struct:
        - name: premise
          list:
            - name: index
              dtype: int64
            - name: text
              dtype: string
            - name: pos
              dtype: string
            - name: lemma
              dtype: string
            - name: bnSynsetId
              dtype: string
            - name: wnSynsetOffset
              dtype: string
            - name: nltkSynset
              dtype: string
        - name: hypothesis
          list:
            - name: index
              dtype: int64
            - name: text
              dtype: string
            - name: pos
              dtype: string
            - name: lemma
              dtype: string
            - name: bnSynsetId
              dtype: string
            - name: wnSynsetOffset
              dtype: string
            - name: nltkSynset
              dtype: string
    - name: srl
      struct:
        - name: premise
          struct:
            - name: tokens
              list:
                - name: index
                  dtype: int64
                - name: rawText
                  dtype: string
            - name: annotations
              list:
                - name: tokenIndex
                  dtype: int64
                - name: verbatlas
                  struct:
                    - name: frameName
                      dtype: string
                    - name: roles
                      list:
                        - name: role
                          dtype: string
                        - name: score
                          dtype: float64
                        - name: span
                          sequence: int64
                - name: englishPropbank
                  struct:
                    - name: frameName
                      dtype: string
                    - name: roles
                      list:
                        - name: role
                          dtype: string
                        - name: score
                          dtype: float64
                        - name: span
                          sequence: int64
        - name: hypothesis
          struct:
            - name: tokens
              list:
                - name: index
                  dtype: int64
                - name: rawText
                  dtype: string
            - name: annotations
              list:
                - name: tokenIndex
                  dtype: int64
                - name: verbatlas
                  struct:
                    - name: frameName
                      dtype: string
                    - name: roles
                      list:
                        - name: role
                          dtype: string
                        - name: score
                          dtype: float64
                        - name: span
                          sequence: int64
                - name: englishPropbank
                  struct:
                    - name: frameName
                      dtype: string
                    - name: roles
                      list:
                        - name: role
                          dtype: string
                        - name: score
                          dtype: float64
                        - name: span
                          sequence: int64
  splits:
    - name: train
      num_bytes: 357653267
      num_examples: 51086
    - name: validation
      num_bytes: 15794078
      num_examples: 2288
    - name: test
      num_bytes: 15736002
      num_examples: 2287
  download_size: 77623798
  dataset_size: 389183347
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: validation
        path: data/validation-*
      - split: test
        path: data/test-*

Semantically-augmented FEVER for NLI

This dataset is a random downsample of the FEVER dataset adapted for NLI. We downsampled the training and development set to 25% of the original, and recovered labels for the development set from the original FEVER dataset.

The dataset is also augmented with semantic annotations such as Word Sense Disambiguation (WSD) and Semantic Role Labeling (SRL) information. We annotated the whole downsampled dataset (both premise and hypothesis) with AMuSE-WSD (Orlando et al., EMNLP 2021) and InVeRo (Conia et al., EMNLP 2020).

Dataset Creation

The idea was to curate a version of the FEVER dataset adapted to the NLI task for Homework 2 of the Multilingual Natural Language Processing 2024 course at Sapienza University of Rome.

We sourced the data following the instructions in this repo, modifying the labels to the following schema:

{
  "id": ..., # the FEVER dataset ID
  "premise": ..., # the context in FEVER
  "hypothesis": ..., # the query in FEVER
  "label": ..., # mapped version of FEVER, where 'supports' -> 'entailment', 'refutes' -> 'contradiction' and 'not enough info' -> 'neutral'
}

We filtered out any sample with an empty premise (a minority of the data) and downsampled both train_fitems.jsonl and dev_fitems.jsonl to 25% of their total size. We then recovered the labels for the development set from the labelled_dev split in the original FEVER and split the development set into the final dev.jsonl and test.jsonl.

Finally, we ran both AMuSE-WSD and InVeRo to augment our samples with WSD and SRL annotations, respectively.