Lafferty, McCallum and Pereira: conditional random fields for sequence labeling

What changed

Introduced conditional random fields for sequence segmentation and labeling.

Scientific scope

The record is the exact three-author ICML 2001 paper. It does not absorb hidden Markov models, every discriminative sequence model, later neural CRFs or claims beyond the paper's formulations and evaluations.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact three-author ICML 2001 paper. It does not absorb hidden Markov models, every discriminative sequence model, later neural CRFs or claims beyond the paper's formulations and evaluations.

Contributors

• John D. Lafferty · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Andrew McCallum · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Fernando C. N. Pereira · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Columbia-hosted CRF paper

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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