Triple

T21988785

Position	Surface form	Disambiguated ID	Type / Status
Subject	Long Shutdown 1	`E543030`	entity
Predicate	hasPart	`P35`	FINISHED
Object	LHC magnet quench protection upgrades	`—`	NE GENERATED

How this triple was built (2 steps)

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.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: LHC magnet quench protection upgrades
Context triple: [Long Shutdown 1, hasPart, LHC magnet quench protection upgrades]

A. LHC Phase-1 upgrades
LHC Phase-1 upgrades were an intermediate enhancement program of the Large Hadron Collider that improved its performance and detector capabilities in preparation for the more ambitious High-Luminosity LHC era.
B. LHC Injectors Upgrade (LIU)
The LHC Injectors Upgrade (LIU) is a major CERN project to modernize and enhance the performance of the accelerator chain feeding the Large Hadron Collider, enabling higher beam intensities and luminosities for future physics runs.
C. High-Luminosity LHC
The High-Luminosity LHC is a major upgrade of CERN’s Large Hadron Collider designed to significantly increase its collision rate and data output for more precise and rare particle physics measurements.
D. LHC injector chain
The LHC injector chain is the sequence of accelerators and beamlines at CERN that progressively boost and prepare particle beams before they are injected into the Large Hadron Collider.
E. LHC insertion region for CMS
The LHC insertion region for CMS is the specially designed section of the Large Hadron Collider where proton beams are focused and steered to collide inside the Compact Muon Solenoid detector for high-energy physics experiments.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: LHC magnet quench protection upgrades
Target entity description: LHC magnet quench protection upgrades were enhancements implemented during the LHC’s first long shutdown to improve the safety, reliability, and performance of its superconducting magnet system.

A. LHC Phase-1 upgrades
LHC Phase-1 upgrades were an intermediate enhancement program of the Large Hadron Collider that improved its performance and detector capabilities in preparation for the more ambitious High-Luminosity LHC era.
B. LHC Injectors Upgrade (LIU)
The LHC Injectors Upgrade (LIU) is a major CERN project to modernize and enhance the performance of the accelerator chain feeding the Large Hadron Collider, enabling higher beam intensities and luminosities for future physics runs.
C. High-Luminosity LHC
The High-Luminosity LHC is a major upgrade of CERN’s Large Hadron Collider designed to significantly increase its collision rate and data output for more precise and rare particle physics measurements.
D. LHC injector chain
The LHC injector chain is the sequence of accelerators and beamlines at CERN that progressively boost and prepare particle beams before they are injected into the Large Hadron Collider.
E. LHC insertion region for CMS
The LHC insertion region for CMS is the specially designed section of the Large Hadron Collider where proton beams are focused and steered to collide inside the Compact Muon Solenoid detector for high-energy physics experiments.
F. None of above. chosen

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_69e0c48136b081908831fa907cc02e18`	completed	April 16, 2026, 11:14 a.m.

Created at: April 16, 2026, 8:05 p.m.