Update files from the datasets library (from 1.3.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.3.0

README.md

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+---
+---
+
+# Dataset Card for "wiki_dpr"
+
+## Table of Contents
+- [Dataset Description](#dataset-description)
+  - [Dataset Summary](#dataset-summary)
+  - [Supported Tasks](#supported-tasks)
+  - [Languages](#languages)
+- [Dataset Structure](#dataset-structure)
+  - [Data Instances](#data-instances)
+  - [Data Fields](#data-fields)
+  - [Data Splits Sample Size](#data-splits-sample-size)
+- [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](#dataset-description)
+
+- **Homepage:** [https://github.com/facebookresearch/DPR](https://github.com/facebookresearch/DPR)
+- **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:** 406068.98 MB
+- **Size of the generated dataset:** 448718.73 MB
+- **Total amount of disk used:** 932739.13 MB
+
+### [Dataset Summary](#dataset-summary)
+
+This is the wikipedia split used to evaluate the Dense Passage Retrieval (DPR) model.
+It contains 21M passages from wikipedia along with their DPR embeddings.
+The wikipedia articles were split into multiple, disjoint text blocks of 100 words as passages.
+
+### [Supported Tasks](#supported-tasks)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+### [Languages](#languages)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+## [Dataset Structure](#dataset-structure)
+
+We show detailed information for up to 5 configurations of the dataset.
+
+### [Data Instances](#data-instances)
+
+#### psgs_w100.multiset.compressed
+
+- **Size of downloaded dataset files:** 67678.16 MB
+- **Size of the generated dataset:** 74786.45 MB
+- **Total amount of disk used:** 145204.14 MB
+
+An example of 'train' looks as follows.
+```
+This example was too long and was cropped:
+
+{
+    "embeddings": "[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1....",
+    "id": "0",
+    "text": "his is the text of a dummy passag",
+    "title": "Title of the article"
+}
+```
+
+#### psgs_w100.multiset.exact
+
+- **Size of downloaded dataset files:** 67678.16 MB
+- **Size of the generated dataset:** 74786.45 MB
+- **Total amount of disk used:** 178700.81 MB
+
+An example of 'train' looks as follows.
+```
+This example was too long and was cropped:
+
+{
+    "embeddings": "[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1....",
+    "id": "0",
+    "text": "his is the text of a dummy passag",
+    "title": "Title of the article"
+}
+```
+
+#### psgs_w100.multiset.no_index
+
+- **Size of downloaded dataset files:** 67678.16 MB
+- **Size of the generated dataset:** 74786.45 MB
+- **Total amount of disk used:** 142464.62 MB
+
+An example of 'train' looks as follows.
+```
+This example was too long and was cropped:
+
+{
+    "embeddings": "[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1....",
+    "id": "0",
+    "text": "his is the text of a dummy passag",
+    "title": "Title of the article"
+}
+```
+
+#### psgs_w100.nq.compressed
+
+- **Size of downloaded dataset files:** 67678.16 MB
+- **Size of the generated dataset:** 74786.45 MB
+- **Total amount of disk used:** 145204.14 MB
+
+An example of 'train' looks as follows.
+```
+This example was too long and was cropped:
+
+{
+    "embeddings": "[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1....",
+    "id": "0",
+    "text": "his is the text of a dummy passag",
+    "title": "Title of the article"
+}
+```
+
+#### psgs_w100.nq.exact
+
+- **Size of downloaded dataset files:** 67678.16 MB
+- **Size of the generated dataset:** 74786.45 MB
+- **Total amount of disk used:** 178700.81 MB
+
+An example of 'train' looks as follows.
+```
+This example was too long and was cropped:
+
+{
+    "embeddings": "[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1....",
+    "id": "0",
+    "text": "his is the text of a dummy passag",
+    "title": "Title of the article"
+}
+```
+
+### [Data Fields](#data-fields)
+
+The data fields are the same among all splits.
+
+#### psgs_w100.multiset.compressed
+- `id`: a `string` feature.
+- `text`: a `string` feature.
+- `title`: a `string` feature.
+- `embeddings`: a `list` of `float32` features.
+
+#### psgs_w100.multiset.exact
+- `id`: a `string` feature.
+- `text`: a `string` feature.
+- `title`: a `string` feature.
+- `embeddings`: a `list` of `float32` features.
+
+#### psgs_w100.multiset.no_index
+- `id`: a `string` feature.
+- `text`: a `string` feature.
+- `title`: a `string` feature.
+- `embeddings`: a `list` of `float32` features.
+
+#### psgs_w100.nq.compressed
+- `id`: a `string` feature.
+- `text`: a `string` feature.
+- `title`: a `string` feature.
+- `embeddings`: a `list` of `float32` features.
+
+#### psgs_w100.nq.exact
+- `id`: a `string` feature.
+- `text`: a `string` feature.
+- `title`: a `string` feature.
+- `embeddings`: a `list` of `float32` features.
+
+### [Data Splits Sample Size](#data-splits-sample-size)
+
+|            name             | train  |
+|-----------------------------|-------:|
+|psgs_w100.multiset.compressed|21015300|
+|psgs_w100.multiset.exact     |21015300|
+|psgs_w100.multiset.no_index  |21015300|
+|psgs_w100.nq.compressed      |21015300|
+|psgs_w100.nq.exact           |21015300|
+
+## [Dataset Creation](#dataset-creation)
+
+### [Curation Rationale](#curation-rationale)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+### [Source Data](#source-data)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+### [Annotations](#annotations)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+### [Personal and Sensitive Information](#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](#considerations-for-using-the-data)
+
+### [Social Impact of Dataset](#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](#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](#other-known-limitations)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+## [Additional Information](#additional-information)
+
+### [Dataset Curators](#dataset-curators)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+### [Licensing Information](#licensing-information)
+
+[More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+
+### [Citation Information](#citation-information)
+
+```
+
+@misc{karpukhin2020dense,
+    title={Dense Passage Retrieval for Open-Domain Question Answering},
+    author={Vladimir Karpukhin and Barlas Oğuz and Sewon Min and Patrick Lewis and Ledell Wu and Sergey Edunov and Danqi Chen and Wen-tau Yih},
+    year={2020},
+    eprint={2004.04906},
+    archivePrefix={arXiv},
+    primaryClass={cs.CL}
+}
+
+```
+
+
+### Contributions
+
+Thanks to [@thomwolf](https://github.com/thomwolf), [@lewtun](https://github.com/lewtun), [@lhoestq](https://github.com/lhoestq) for adding this dataset.