What question did this study set out to answer?

To determine whether a mathematical model based on latent semantic analysis can explain how humans acquire extensive vocabulary and general knowledge from limited text exposure.

January 1, 1997Psychological Review

A solution to Plato's problem: The latent semantic analysis theory of acquisition, induction, and representation of knowledge.

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Authors

TLThomas K. LandauerUniversity of Colorado Boulder SDSusan DumaisAustralian National University

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Implication

Computational simulation demonstrates human-scale vocabulary acquisition from text co-occurrence data, indicating that mathematical dimensionality reduction can solve Plato's problem of learning.

Key Points

To determine whether a mathematical model based on latent semantic analysis can explain how humans acquire extensive vocabulary and general knowledge from limited text exposure.
Developed a computational latent semantic analysis (LSA) framework to extract global semantic relationships from local word co-occurrences in large text corpora.
Applied mathematical dimensionality reduction to project words and text contexts into an optimal multi-dimensional vector space (approximately 300 dimensions) without prior linguistic knowledge.
LSA acquired English vocabulary knowledge at a rate comparable to the estimated learning trajectory observed in schoolchildren.
The model successfully simulated multiple psycholinguistic phenomena by inferring the meanings of unencountered words indirectly through contextual similarity.

Cite This Study

Landauer et al. (1997) studied this question.

synapsesocial.com/papers/6a12c53917455f99e89e3b96 https://doi.org/10.1037//0033-295x.104.2.211

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Implication

Computational simulation demonstrates human-scale vocabulary acquisition from text co-occurrence data, indicating that mathematical dimensionality reduction can solve Plato's problem of learning.

A solution to Plato's problem: The latent semantic analysis theory of acquisition, induction, and representation of knowledge.

Discussion

Member takes

Implication

Key Points

Cite This Study

A solution to Plato's problem: The latent semantic analysis theory of acquisition, induction, and representation of knowledge.

Discussion

Member takes

Implication

Key Points

Cite This Study

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