Cited by 7,405Natural Language Processing TechniquesSyntax, Semantics, Linguistic VariationLinguistic Studies and Language Acquisition

Building a Large Annotated Corpus of English: The Penn Treebank

Open access
Marcus, Mitch·1993

Abstract

As a result of this grant, the researchers have now published oil CDROM a corpus of over 4 million words of running text annotated with part-of- speech (POS) tags, with over 3 million words of that material assigned skeletal grammatical structure. This material now includes a fully hand-parsed version of the classic Brown corpus. About one half of the papers at the ACL Workshop on Using Large Text Corpora this past summer were based on the materials generated by this grant.

Integrity signals

Registry

Crossref · 10.21236/ada273556

Cites

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

We couldn’t retrieve this paper’s full text, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • CAINS, BNSS, and SSPA are screenings used to evaluate schizophrenia and bipolar disorder.

    “Other forms of disorders, i.e. schizophrenia and bipolar disorder, can be evaluated with screenings such as the Clinical Assessment Interview for Negative Symptoms (CAINS) [60], Brief Negative Symptom Scale (BNSS) [61], the Social Skills Performance Assessment (SSPA) [53], and several others that measure the effects of thought and mood disorders.”

Cited by

Sorted by citations

Authors
Marcus, M.
Published
1993-04-30
OpenAlex
W1632114991
Cited by
7,405
References
0
Citations by year
2026: 30 · 2025: 92 · 2024: 134 · 2023: 189 · 2022: 202 · 2021: 346 · 2020: 430 · 2019: 471 · 2018: 439 · 2017: 354 · 2016: 330 · 2015: 364 · 2014: 423 · 2013: 378 · 2012: 340
Type
report
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • Defense Technical Information Center (DTIC) (publishedVersion)
  • ScholarlyCommons (University of Pennsylvania) (submittedVersion)
  • OLAC - Open Language Archives Community (submittedVersion)
  • Americanae (AECID Library) (submittedVersion, cc-by-nc-sa)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Natural Language Processing Techniques
  • Social Sciences › Arts and Humanities › Language and Linguistics › Syntax, Semantics, Linguistic Variation
  • Physical Sciences › Computer Science › Artificial Intelligence › Linguistic Studies and Language Acquisition
Keywords
Penn Treebank, annotated corpus, English language, part-of-speech tagging, syntactic analysis, Brown Corpus, large text corpora, corpus annotation

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review