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#probability-distributions News & Analysis

2 articles tagged with #probability-distributions. AI-curated summaries with sentiment analysis and key takeaways from 50+ sources.

2 articles
AINeutralarXiv – CS AI · Jun 235/10
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From numerical proportions to analogical proportions between probabilities

This academic paper extends analogical proportion theory from numerical and vector-based representations to probabilistic settings, investigating whether probability distributions associated with analogically proportional profiles maintain proportional relationships. The research bridges formal logic with statistical inference, potentially enabling more sophisticated classification methods that operate on probabilistic data.

AINeutralarXiv – CS AI · May 276/10
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Lost in Sampling: Assessing Lexical Reachability in LLMs via the Word Coverage Score (WCS)

Researchers introduce the Word Coverage Score (WCS), a metric revealing how standard LLM sampling filters (Top-p, Top-k, Min-p) mathematically suppress contextually appropriate vocabulary choices, rendering linguistically valid words unreachable despite existing in the probability space. The study demonstrates that industry-standard decoding defaults unintentionally homogenize text output, acting as hidden censorship mechanisms that limit lexical diversity in generated content.