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---
language:
- en
pretty_name: qangaroo
dataset_info:
- config_name: masked_medhop
  features:
  - name: query
    dtype: string
  - name: supports
    sequence: string
  - name: candidates
    sequence: string
  - name: answer
    dtype: string
  - name: id
    dtype: string
  splits:
  - name: train
    num_bytes: 95813556
    num_examples: 1620
  - name: validation
    num_bytes: 16800542
    num_examples: 342
  download_size: 58801723
  dataset_size: 112614098
- config_name: masked_wikihop
  features:
  - name: query
    dtype: string
  - name: supports
    sequence: string
  - name: candidates
    sequence: string
  - name: answer
    dtype: string
  - name: id
    dtype: string
  splits:
  - name: train
    num_bytes: 348073986
    num_examples: 43738
  - name: validation
    num_bytes: 43663600
    num_examples: 5129
  download_size: 211302995
  dataset_size: 391737586
- config_name: medhop
  features:
  - name: query
    dtype: string
  - name: supports
    sequence: string
  - name: candidates
    sequence: string
  - name: answer
    dtype: string
  - name: id
    dtype: string
  splits:
  - name: train
    num_bytes: 93937294
    num_examples: 1620
  - name: validation
    num_bytes: 16461612
    num_examples: 342
  download_size: 57837760
  dataset_size: 110398906
- config_name: wikihop
  features:
  - name: query
    dtype: string
  - name: supports
    sequence: string
  - name: candidates
    sequence: string
  - name: answer
    dtype: string
  - name: id
    dtype: string
  splits:
  - name: train
    num_bytes: 325777822
    num_examples: 43738
  - name: validation
    num_bytes: 40843303
    num_examples: 5129
  download_size: 202454962
  dataset_size: 366621125
configs:
- config_name: masked_medhop
  data_files:
  - split: train
    path: masked_medhop/train-*
  - split: validation
    path: masked_medhop/validation-*
- config_name: masked_wikihop
  data_files:
  - split: train
    path: masked_wikihop/train-*
  - split: validation
    path: masked_wikihop/validation-*
- config_name: medhop
  data_files:
  - split: train
    path: medhop/train-*
  - split: validation
    path: medhop/validation-*
- config_name: wikihop
  data_files:
  - split: train
    path: wikihop/train-*
  - split: validation
    path: wikihop/validation-*
---

# Dataset Card for "qangaroo"

## Table of Contents
- [Dataset Description](#dataset-description)
  - [Dataset Summary](#dataset-summary)
  - [Supported Tasks and Leaderboards](#supported-tasks-and-leaderboards)
  - [Languages](#languages)
- [Dataset Structure](#dataset-structure)
  - [Data Instances](#data-instances)
  - [Data Fields](#data-fields)
  - [Data Splits](#data-splits)
- [Dataset Creation](#dataset-creation)
  - [Curation Rationale](#curation-rationale)
  - [Source Data](#source-data)
  - [Annotations](#annotations)
  - [Personal and Sensitive Information](#personal-and-sensitive-information)
- [Considerations for Using the Data](#considerations-for-using-the-data)
  - [Social Impact of Dataset](#social-impact-of-dataset)
  - [Discussion of Biases](#discussion-of-biases)
  - [Other Known Limitations](#other-known-limitations)
- [Additional Information](#additional-information)
  - [Dataset Curators](#dataset-curators)
  - [Licensing Information](#licensing-information)
  - [Citation Information](#citation-information)
  - [Contributions](#contributions)

## Dataset Description

- **Homepage:** [http://qangaroo.cs.ucl.ac.uk/index.html](http://qangaroo.cs.ucl.ac.uk/index.html)
- **Repository:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
- **Paper:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
- **Point of Contact:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
- **Size of downloaded dataset files:** 1.36 GB
- **Size of the generated dataset:** 981.89 MB
- **Total amount of disk used:** 2.34 GB

### Dataset Summary

  We have created two new Reading Comprehension datasets focussing on multi-hop (alias multi-step) inference.

Several pieces of information often jointly imply another fact. In multi-hop inference, a new fact is derived by combining facts via a chain of multiple steps.

Our aim is to build Reading Comprehension methods that perform multi-hop inference on text, where individual facts are spread out across different documents.

The two QAngaroo datasets provide a training and evaluation resource for such methods.

### Supported Tasks and Leaderboards

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Languages

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

## Dataset Structure

### Data Instances

#### masked_medhop

- **Size of downloaded dataset files:** 339.84 MB
- **Size of the generated dataset:** 112.63 MB
- **Total amount of disk used:** 452.47 MB

An example of 'validation' looks as follows.
```

```

#### masked_wikihop

- **Size of downloaded dataset files:** 339.84 MB
- **Size of the generated dataset:** 391.98 MB
- **Total amount of disk used:** 731.82 MB

An example of 'validation' looks as follows.
```

```

#### medhop

- **Size of downloaded dataset files:** 339.84 MB
- **Size of the generated dataset:** 110.42 MB
- **Total amount of disk used:** 450.26 MB

An example of 'validation' looks as follows.
```

```

#### wikihop

- **Size of downloaded dataset files:** 339.84 MB
- **Size of the generated dataset:** 366.87 MB
- **Total amount of disk used:** 706.71 MB

An example of 'validation' looks as follows.
```

```

### Data Fields

The data fields are the same among all splits.

#### masked_medhop
- `query`: a `string` feature.
- `supports`: a `list` of `string` features.
- `candidates`: a `list` of `string` features.
- `answer`: a `string` feature.
- `id`: a `string` feature.

#### masked_wikihop
- `query`: a `string` feature.
- `supports`: a `list` of `string` features.
- `candidates`: a `list` of `string` features.
- `answer`: a `string` feature.
- `id`: a `string` feature.

#### medhop
- `query`: a `string` feature.
- `supports`: a `list` of `string` features.
- `candidates`: a `list` of `string` features.
- `answer`: a `string` feature.
- `id`: a `string` feature.

#### wikihop
- `query`: a `string` feature.
- `supports`: a `list` of `string` features.
- `candidates`: a `list` of `string` features.
- `answer`: a `string` feature.
- `id`: a `string` feature.

### Data Splits

|     name     |train|validation|
|--------------|----:|---------:|
|masked_medhop | 1620|       342|
|masked_wikihop|43738|      5129|
|medhop        | 1620|       342|
|wikihop       |43738|      5129|

## Dataset Creation

### Curation Rationale

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Source Data

#### Initial Data Collection and Normalization

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

#### Who are the source language producers?

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Annotations

#### Annotation process

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

#### Who are the annotators?

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Personal and Sensitive Information

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

## Considerations for Using the Data

### Social Impact of Dataset

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Discussion of Biases

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Other Known Limitations

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

## Additional Information

### Dataset Curators

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Licensing Information

[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)

### Citation Information

```

```


### Contributions

Thanks to [@thomwolf](https://github.com/thomwolf), [@jplu](https://github.com/jplu), [@lewtun](https://github.com/lewtun), [@lhoestq](https://github.com/lhoestq), [@mariamabarham](https://github.com/mariamabarham) for adding this dataset.