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Multiple Sources of Truth: An Assumption Audit
A 2026 assumption audit for multi-truth data integration, comparing LTM, MBM, and DART with worked claim matrices, omission semantics, provenance, and evaluation metrics.
Open World Assumption: Why Unknown Is Not False
A 2026 evidence guide to open-world negation, explicit negative knowledge, five epistemic states, local closure, negative sampling, and evaluation protocols.
Merge or Relate? A Framework for Organization Records
A 2026 evidence framework for deciding when organization records share one identity or require a typed link, with a decision tree, five synthetic cases, invariants, and error-cost analysis.
Valid Time vs Transaction Time: Which Clock Proves What?
A 2026 guide to valid time, transaction time, observation time, and source publication time, with a delayed correction, four as-of tests, and a bitemporality decision matrix.
Truth Discovery with Copying Sources: Benchmark Guide
A 2026 assumptions-first guide to truth discovery benchmarks, comparing 12-method studies, copying detection above 95% in one setup, sparse labels, metrics, and method selection.
RAG Fault Isolation: Is the Answer Defensible?
A 2026 fault-isolation protocol for RAG answers, covering six observable boundaries, claim-level metrics, controlled evidence tests, source currency, and paired evaluation.
Entity Resolution Evaluation Beyond Pairwise F1
A 2026 decision framework for entity resolution evaluation, with pairwise and cluster metrics, an eight-record example, sampling design, uncertainty, and acceptance evidence.
How to Evaluate LLM Citations at the Claim Level
A 2026 protocol for evaluating LLM citations with atomic claims, support and completeness metrics, confidence intervals, perturbation tests, provenance, and risk-based release gates.