4 posts tagged with "vocabulary"

Parthenon's Vocabulary Search now provides 100% navigational coverage of all 105,324 standard SNOMED CT Condition concepts through 27 curated clinical groupings — achieving functional parity with MedDRA's System Organ Class navigation while preserving SNOMED's superior clinical granularity. This is the story of diagnosing the SNOMED-OMOP domain boundary problem, engineering a cross-domain hierarchy builder, curating a clinically intelligent grouping layer, and systematically closing every coverage gap until no standard concept was left behind.

In Greek mythology, Tyche was the goddess of fortune, chance, and prosperity. Depicted with a cornucopia of abundance and the wheel of fate, she governed the unpredictable forces that determined whether a city would flourish or fall. The ancient Greeks understood that outcomes are shaped by forces beyond individual control — health, circumstance, and probability. In the Parthenon pantheon, Tyche presides over population risk scoring: the quantification of clinical probability, the stratification of patients by the likelihood of outcomes they cannot fully control, and the transformation of uncertainty into actionable intelligence.

We built a population risk scoring engine that runs 20 validated clinical risk calculators against any OMOP CDM dataset — then immediately realized the approach was wrong. This post covers what we built, why we tore it apart, and the v2 architecture that replaced "run everything on everyone" with cohort-scoped, recommendation-driven clinical risk analysis.

In Greek mythology, the great temple atop the Acropolis housed not just Athena, but an entire pantheon of divine figures — each wielding a unique gift. Parthenon, our unified OHDSI outcomes research platform, follows the same philosophy. Behind the scenes, four mythological women power the intelligence layer that transforms raw clinical data into actionable research: Hecate, Phoebe, Ariadne, and Arachne.

Abby now understands that metformin is a drug used for Type 2 diabetes mellitus, which is a subtype of diabetes mellitus. She traverses OMOP concept hierarchies, finds siblings and related concepts, and warns researchers when they're building on sparse data. Phase 3 turns keyword matching into relational understanding.