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arXiv · 2609.22209

Schematize: An Agentic System for Generating and Refining Information-Extraction Schemas for Legal Research

Albert Sawczyn·Jakub Binkowski·Kamil Tagowski·Łukasz Augustyniak·Berenika Kaczmarek-Templin·Tomasz Kajdanowicz
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Abstract

Empirical legal research often relies on turning research questions into structured data extracted from large collections of rulings and judgments. Designing the extraction schema and then extracting the data remain a manual, expertise-heavy bottleneck. We present schematize, an open-source multi-agent system that interactively turns a researcher's problem statement into a validated extraction schema that can later be used for autonomous extraction. Schematize couples (i) a clarification dialogue that elicits implicit expert intent, (ii) iterative schema generation, (iii) data-grounded refinement that tests the schema against documents, and (iv) chat-based post-editing. We evaluated the system with human legal professional, introducing our novel methodology, and schematize achieves top performance in most of tested configurations. While the system is designed to be domain-agnostic and applicable to any document collection, we tailor and evaluate it on legal research problems. We release schematize as a pip-installable Python package with full documentation.

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Albert Sawczyn, Jakub Binkowski, Kamil Tagowski, Łukasz Augustyniak, Berenika Kaczmarek-Templin, Tomasz Kajdanowicz. 2026-09-01. Schematize: An Agentic System for Generating and Refining Information-Extraction Schemas for Legal Research. https://arxiv.org/abs/2609.22209

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