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Corpus of naturalistic stories with annotation and psycholinguistic measures
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Natural Stories Corpus

This is a corpus of naturalistic stories meant to contain varied, low-frequency syntactic constructions. There are a variety of annotations and psycholinguistic measures available for the stories.

The stories in with their various annotations are coordinated around the file words.tsv, which specifies a unique code for each token in the story under a variety of different tokenization schemes. For example, the following lines in words.tsv cover the phrase the long-bearded mill owners.:

1.54.whole      the
1.54.word       the
1.54.1  the
1.55.whole      long - bearded
1.55.word       long - bearded
1.55.1  long
1.55.2  -
1.55.3  bearded
1.56.whole      mill
1.56.word       mill
1.56.1  mill
1.57.whole      owners .
1.57.word       owners
1.57.1  owners
1.57.2  .

The first column is the token code; the second is the token itself. For example, 1.57.whole represents the token owners. and 1.57.word represents the token owners. The token code consists of three fields:

  1. The id of the story the token is found in,
  2. The number of the token in the story,
  3. An additional field whose value is whole for the entire token including punctuation, word for the token stripped of punctuation to the left and right, and then 1 through n for each sub-token in whole as segmented by NLTK's TreebankWordTokenizer.

The various annotations (frequencies, parses, RTs, etc.) should reference these codes so that we can track tokens uniformly.

If you use the corpus please cite:

author={Richard Futrell and Edward Gibson and Harry J. Tily and Idan Blank and Anastasia Vishnevetsky and Steven T. Piantadosi and Evelina Fedorenko},
title={The Natural Stories Corpus},
booktitle={Proceedings of LREC 2018, Eleventh International Conference on Language Resources and Evaluation},
address={Miyazaki, Japan}}

Deep syntactic annotations following a categorial grammar are also available here (see paper).

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