Triple

T1166315
Position Surface form Disambiguated ID Type / Status
Subject North Area of CERN SPS E24806 entity
Predicate hasBeamLine P5353 FINISHED
Object K4 beam line
The K4 beam line is a high-energy particle beam line in CERN’s Super Proton Synchrotron North Area used to deliver secondary beams for fixed-target experiments.
 E137093 NE FINISHED

How this triple was built (4 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.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: K4 beam line | Statement: [North Area of CERN SPS, hasBeamLine, K4 beam line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: K4 beam line
Context triple: [North Area of CERN SPS, hasBeamLine, K4 beam line]
  • A. K6 beam line
    The K6 beam line is a dedicated particle beam transport line in CERN’s SPS North Area used to deliver high-energy secondary beams to experimental facilities.
  • B. T2 beam line
    The T2 beam line is a particle beam transport line in CERN’s Super Proton Synchrotron (SPS) North Area used to deliver high-energy beams to experimental facilities.
  • C. Linac4
    Linac4 is a linear accelerator at CERN that serves as the first stage of the proton acceleration chain for the Large Hadron Collider and other experiments.
  • D. M2 beam line
    M2 beam line is a high-energy particle beam facility at CERN’s Super Proton Synchrotron used to deliver intense hadron and muon beams for fixed-target experiments such as COMPASS.
  • E. SPEAR3 synchrotron light source
    The SPEAR3 synchrotron light source is a third-generation storage-ring facility at SLAC that produces intense, highly focused X-ray beams for advanced materials and biological research.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: K4 beam line
Triple: [North Area of CERN SPS, hasBeamLine, K4 beam line]
Generated description
The K4 beam line is a high-energy particle beam line in CERN’s Super Proton Synchrotron North Area used to deliver secondary beams for fixed-target experiments.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: K4 beam line
Target entity description: The K4 beam line is a high-energy particle beam line in CERN’s Super Proton Synchrotron North Area used to deliver secondary beams for fixed-target experiments.
  • A. K6 beam line
    The K6 beam line is a dedicated particle beam transport line in CERN’s SPS North Area used to deliver high-energy secondary beams to experimental facilities.
  • B. T2 beam line
    The T2 beam line is a particle beam transport line in CERN’s Super Proton Synchrotron (SPS) North Area used to deliver high-energy beams to experimental facilities.
  • C. Linac4
    Linac4 is a linear accelerator at CERN that serves as the first stage of the proton acceleration chain for the Large Hadron Collider and other experiments.
  • D. M2 beam line
    M2 beam line is a high-energy particle beam facility at CERN’s Super Proton Synchrotron used to deliver intense hadron and muon beams for fixed-target experiments such as COMPASS.
  • E. SPEAR3 synchrotron light source
    The SPEAR3 synchrotron light source is a third-generation storage-ring facility at SLAC that produces intense, highly focused X-ray beams for advanced materials and biological research.
  • F. None of above. chosen

Provenance (5 batches)

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_69a494082a7c819095004f423f294a64 completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bf13ab648190931dea78202096e4 completed March 1, 2026, 10:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac7645abc8819086de42185bd403ed completed March 7, 2026, 7:02 p.m.
NEDg Description generation batch_69ac76f20f308190be3c831eb2d59763 completed March 7, 2026, 7:05 p.m.
NED2 Entity disambiguation (via description) batch_69ac77585c708190b5f4b239d9574cd7 completed March 7, 2026, 7:07 p.m.
Created at: March 1, 2026, 7:45 p.m.