500AI
← People

Peter Lofgren

  • Information retrieval
  • Efficient ML

Selected work

5
  1. Constitutional Classifiers: Defending against Universal Jailbreaks across Thousands of Hours of Red TeamingAuthor · 2025
  2. Efficient Algorithms for Personalized PageRankContributor · 2015
  3. Personalized PageRank Estimation and Search: A Bidirectional ApproachContributor · 2015
  4. FAST-PPR: Scaling Personalized PageRank Estimation for Large GraphsContributor · 2014
  5. Fast Bidirectional Probability Estimation in Markov ModelsContributor · 2015