README.md

metadata

annotations_creators:
  - expert-generated
language_creators:
  - found
language:
  - en
license:
  - other
license_details: LDC User Agreement for Non-Members
multilinguality:
  - monolingual
size_categories:
  - 10K<n<100K
source_datasets:
  - original
task_categories:
  - text-generation
  - fill-mask
task_ids:
  - language-modeling
  - masked-language-modeling
paperswithcode_id: null
pretty_name: Penn Treebank
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: test
        path: data/test-*
      - split: validation
        path: data/validation-*
dataset_info:
  features:
    - name: sentence
      dtype: string
  config_name: default
  splits:
    - name: train
      num_bytes: 5143706
      num_examples: 42068
    - name: test
      num_bytes: 453710
      num_examples: 3761
    - name: validation
      num_bytes: 403156
      num_examples: 3370
  download_size: 5951345
  dataset_size: 6000572

Dataset Card for Penn Treebank

Table of Contents

• Dataset Description
  • Dataset Summary
  • Supported Tasks and Leaderboards
  • Languages
• Dataset Structure
  • Data Instances
  • Data Fields
  • Data Splits
• Dataset Creation
  • Curation Rationale
  • Source Data
  • Annotations
  • Personal and Sensitive Information
• Considerations for Using the Data
  • Social Impact of Dataset
  • Discussion of Biases
  • Other Known Limitations
• Additional Information
  • Dataset Curators
  • Licensing Information
  • Citation Information
  • Contributions

Dataset Description

• Homepage: https://catalog.ldc.upenn.edu/LDC99T42

• Repository: 'https://raw.githubusercontent.com/wojzaremba/lstm/master/data/ptb.train.txt', 'https://raw.githubusercontent.com/wojzaremba/lstm/master/data/ptb.valid.txt', 'https://raw.githubusercontent.com/wojzaremba/lstm/master/data/ptb.test.txt'

• Paper: https://www.aclweb.org/anthology/J93-2004.pdf

• Leaderboard: [Needs More Information]

• Point of Contact: [Needs More Information]

Dataset Summary

This is the Penn Treebank Project: Release 2 CDROM, featuring a million words of 1989 Wall Street Journal material. The rare words in this version are already replaced with token. The numbers are replaced with token.

Supported Tasks and Leaderboards

Language Modelling

Languages

The text in the dataset is in American English

Dataset Structure

Data Instances

An example instance:

{"sentence": "pierre <unk> N years old will join the board as a nonexecutive director nov. N"}

Data Fields

• sentence (string): A sentence from the Wall Street Journal corpus with rare words replaced by <unk> and numbers by <N>.

Data Splits

Split	Examples
train	42,068
test	3,761
validation	3,370

Dataset Creation

Curation Rationale

[Needs More Information]

Source Data

Initial Data Collection and Normalization

[Needs More Information]

Who are the source language producers?

[Needs More Information]

Annotations

Annotation process

[Needs More Information]

Who are the annotators?

[Needs More Information]

Personal and Sensitive Information

[Needs More Information]

Considerations for Using the Data

Social Impact of Dataset

[Needs More Information]

Discussion of Biases

[Needs More Information]

Other Known Limitations

[Needs More Information]

Additional Information

Dataset Curators

[Needs More Information]

Licensing Information

Dataset provided for research purposes only. Please check dataset license for additional information.

Citation Information

@article{marcus-etal-1993-building,
    title = "Building a Large Annotated Corpus of {E}nglish: The {P}enn {T}reebank",
    author = "Marcus, Mitchell P.  and
      Santorini, Beatrice  and
      Marcinkiewicz, Mary Ann",
    journal = "Computational Linguistics",
    volume = "19",
    number = "2",
    year = "1993",
    url = "https://www.aclweb.org/anthology/J93-2004",
    pages = "313--330",
}

Contributions

Thanks to @harshalmittal4 for adding this dataset.