Confidential — Stefan Michaelcheck Only

A phenotype-driven and evidence-governed framework for knowledge graph enrichment and hypotheses discovery in population data

2026methodological guidancenovelframework

Adela BÂRA, Simona-Vasilica Oprea

arXiv (Cornell University)

https://doi.org/10.48550/arxiv.2604.16982OpenAlex: W7155106843arXiv: 2604.16982
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Problems Identified (4)

Confirmatory KG Construction: Current knowledge graph construction methods focus on recovering known relationships rather than identifying novel or context-dependent nodes.

Controlled KG Expansion: The work addresses the need for structured hypothesis discovery and controlled knowledge graph expansion.

Confirmatory KG Construction: Current knowledge graph construction methods focus on recovering known relationships rather than identifying novel or context-dependent nodes.

Controlled KG Expansion: The work addresses the need for structured hypothesis discovery and controlled knowledge graph expansion.

Proposed Solutions (5)

Phenotype-Driven Evidence-Governed KG Framework: The paper proposes a phenotype-driven and evidence-governed framework for structured hypothesis discovery and controlled KG expansion.

GNN Causal Probabilistic LLM Pipeline: The approach integrates GNNs, causal inference, probabilistic reasoning, and LLMs for phenotype discovery, hypothesis generation, and claim extraction in a unified pipeline.

Multi-Objective Pareto Claim Selection: KG expansion is formulated as a multi-objective optimization problem that evaluates candidate claims for relevance, structural validation, and novelty using Pareto-optimal selection.

Phenotype-Driven Evidence-Governed KG Framework: The paper proposes a phenotype-driven and evidence-governed framework for structured hypothesis discovery and controlled KG expansion.

GNN Causal Probabilistic LLM Pipeline: The approach integrates GNNs, causal inference, probabilistic reasoning, and LLMs for phenotype discovery, hypothesis generation, and claim extraction in a unified pipeline.

Results (3)

More Interpretable Phenotypes:

Context-Dependent Causal Structures Revealed:

High-Quality Evidence-Aligned Claims:

Research Domain

knowledge graph enrichment and hypothesis discovery in population data

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