Triple

T21186818

Position	Surface form	Disambiguated ID	Type / Status
Subject	Cassini meridian line	`E522102`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	meridian line	`C6125`	CONCEPT FINISHED

How this triple was built (1 step)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

CD Concept disambiguation gpt-5-mini-2025-08-07

Target class: meridian line
Context triple: [Cassini meridian line, instanceOf, meridian line]

A. reference meridian chosen
A reference meridian is a designated line of longitude used as a starting point for measuring geographic coordinates and establishing time zones.
B. principal meridian
A principal meridian is a primary north–south reference line used in land surveying to establish a coordinate framework for mapping and property boundaries within a specific region.
C. circle of latitude
A circle of latitude is an imaginary horizontal line encircling the Earth, connecting all points at the same angular distance north or south of the Equator.
D. great circle route
A great circle route is the shortest path between two points on the surface of a sphere, following the arc of a circle whose center coincides with the sphere’s center.
E. fall line
A fall line is the path on a slope that follows the steepest descent, indicating the natural direction water or an object would travel downhill.
F. None of above.

Provenance (1 batch)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step	Stage	Batch ID	Status	When
creating	Elicitation	`batch_69e0b50ef1d48190b063aa342667df22`	completed	April 16, 2026, 10:08 a.m.

Created at: April 16, 2026, 3:07 p.m.