ResearchResearch paperLarge Language Models1 source · Oct 13, 2026

Pre-Trained Language Models as Zero-Shot Tools for Social Science Research

For record linkage, I introduce EnsembleLink, an algorithm that uses pre-trained embeddings alongside string-based scorers to retrieve a short list of candidates and then identify the likeliest matches.

Key points

  • Record linkage and demographic inference from names are routine demands in social science.
  • I show that pre-trained language models perform both tasks accurately without requiring task-specific training.
  • For ethnicity inference from names, I show that large language models (LLMs) achieve up to 83.8% accuracy on U.S. voter files, compared to 78.0% for name-supplemented BISG.
  • Open-weight models offer reproducible implementations that approach these models in accuracy.

Sources (1)

  • [1]Pre-Trained Language Models as Zero-Shot Tools for Social Science Research
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 13, 06:43 PM
    For record linkage, I introduce EnsembleLink, an algorithm that uses pre-trained embeddings alongside string-based scorers to retrieve a short list of candidates and then identify the likeliest matches.
    Record linkage and demographic inference from names are routine demands in social science.

Extractive summary: sentences quoted from the sources.

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