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Sha-Ni Chen

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#natural language process... Preprint Sep 2026

Toward a Unified Mathematics of Concepts

An operation-based view that evaluates mathematical frameworks by the conceptual operations they support is proposed, identifying thirteen operations (including similarity, composition, generalization, and grounding) that recur across cognition, psychology, and AI.

Sha-Ni Chen · 0 citations
Jul 2026

From Found to Designed: Concepts as a Design Axis for Large Language Models

This taxonomy reveals three broad patterns: inference-time approaches remain comparatively underexplored, related ideas have developed largely in isolation across pipeline stages, and externally grounded methods span the entire pipeline despite often being described under different terminology.

Sha-Ni Chen · 0 citations
#natural language process... Preprint Mar 2026

Learning Concepts, Not Tokens: Self-Supervised Semantic Alignment for Language Models

This work explores a self-supervised framework that encourages models to predict concepts, approximated as sets of semantically equivalent tokens, suggesting that concepts enhance semantic alignment while preserving language modeling quality.

Christine Zhang, Daniel Jurafsky, Sha-Ni Chen · 1 citation · ⚡1
Preprint Aug 2026

Aligned Alone, Misaligned Together: Forecasting Adversarial Capture in LLM Agent Populations

It is found that two alerts a single agent judges almost identically on its own can drive collective behavior far apart, so auditing any one member need not reveal what the population will do, and that collective behavior can be predicted in advance.

Isotta Magistrali, Sha-Ni Chen · 1 citation

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