Triple

T15521960
Position Surface form Disambiguated ID Type / Status
Subject nitrogen-13 E368990 entity
Predicate instanceOf P0 FINISHED
Object nitrogen isotope C18589 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: nitrogen isotope
Context triple: [nitrogen-13, instanceOf, nitrogen isotope]
  • A. chemical isotope chosen
    A chemical isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons in its nucleus, resulting in a different atomic mass.
  • B. carbon isotope excursion
    A carbon isotope excursion is a geologically rapid, significant shift in the ratio of stable carbon isotopes (typically δ13C) recorded in sediments or fossils, reflecting major changes in the global carbon cycle and often associated with climatic or biotic events.
  • C. helium isotope
    A helium isotope is a variant of the helium atom that has the same number of protons (two) but a different number of neutrons, resulting in distinct atomic masses and nuclear properties.
  • D. nickel-iron meteorite
    A nickel-iron meteorite is a dense, metallic meteorite composed primarily of iron and nickel alloys, typically originating from the cores of differentiated asteroids.
  • E. global biogeochemical perturbation
    A global biogeochemical perturbation is a large-scale, often rapid disruption of Earth's elemental cycles (such as carbon, nitrogen, or sulfur) that significantly alters environmental conditions and ecosystem functioning worldwide.
  • 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_69d85a1794cc8190b0b428716296e63e completed April 10, 2026, 2:01 a.m.
Created at: April 10, 2026, 4:04 a.m.