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semantic-drift

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PromptGuard is a pragmatic, opinionated framework for establishing continuous integration for LLM behavior. It operates on a simple, verifiable principle: run the same prompts across multiple model configurations, compare outputs against defined expectations, and flag semantic regressions.

  • Updated Jan 17, 2026
  • Python

ModelPulse helps maintain model reliability and performance by providing early warning signals for these issues, allowing teams to address them before they impact users significantly.

  • Updated Jan 20, 2026
  • Python

Predicting Semantic Drift from Polysemy Density A cognitive modeling project for APLN-552 (Spring 2025) exploring the relationship between a word's polysemy (number of noun senses) and its tendency to change meaning over time. Combines WordNet sense counts with diachronic word embeddings (HistWords) to compute polysemy density and semantic drift.

  • Updated Dec 17, 2025
  • Jupyter Notebook

Governance infrastructure for LLM-mediated knowledge work. Prevents semantic drift through strict separation of concerns (interpretation v execution), artifact contracts, and operator termination. Theoretical foundations + working implementation (devOs). Open source framework.

  • Updated Jan 11, 2026

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