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Speech parts as Poisson processes.

A F Badalamenti1

  • 1The Nathan Kline Institute for Psychiatric Research, Orangeburg, New York 10962, USA. afjb@ix.netcom.com

Journal of Psycholinguistic Research
|September 1, 2001
PubMed
Summary
This summary is machine-generated.

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Written text, excluding interjections, follows Poisson processes for parts of speech. Nouns may be primitive organizers, as their rate constants relate to maximum entropy achieved in word use.

Area of Science:

  • Computational Linguistics
  • Statistical Analysis of Language
  • Literary Analysis

Background:

  • Understanding the statistical properties of written language is crucial for linguistic theory.
  • Previous studies have explored word frequency distributions but less so the stochastic processes governing parts of speech.

Purpose of the Study:

  • To investigate whether parts of speech in written text can be modeled as stochastic processes.
  • To analyze authorial differences in word usage and sentence structure.
  • To explore the organizational role of nouns in written text.

Main Methods:

  • Analysis of over 5000 words from four major authors, with parts of speech and sentence terminators coded.
  • Application of Poisson process models to six major parts of speech (nouns, verbs, adjectives, adverbs, prepositions, conjunctions).

Related Experiment Videos

  • Measurement of sentence length distribution and calculation of Shannon entropy for word type variety.

    • Main Results:

    • Six parts of speech (nouns, verbs, adjectives, adverbs, prepositions, conjunctions) were found to follow Poisson processes.
    • Sentence length is normally distributed, without an identified stochastic model.
    • Authorial distinctions were found in the usage of most word types and sentence length, with nouns showing unique characteristics.
    • Noun rate constants correlate with achieved maximum entropy, suggesting a primitive organizational role.

    Conclusions:

    • Written text exhibits stochastic properties in the occurrence of major parts of speech.
    • Nouns appear to play a fundamental role in organizing written text, supported by their relationship to entropy.
    • Statistical analysis of language provides insights into authorship attribution and text structure.