Triple

T192627
Position Surface form Disambiguated ID Type / Status
Subject NA62 E3752 entity
Predicate hasDetectorComponent P4718 FINISHED
Object Gigatracker beam spectrometer
The Gigatracker beam spectrometer is a high-precision silicon pixel tracking system used in the NA62 experiment at CERN to measure the momentum and timing of individual particles in the high-intensity kaon beam.
E24807 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: Gigatracker beam spectrometer | Statement: [NA62, hasDetectorComponent, Gigatracker beam spectrometer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gigatracker beam spectrometer
Context triple: [NA62, hasDetectorComponent, Gigatracker beam spectrometer]
  • A. Time Projection Chamber
    The Time Projection Chamber is a large gaseous detector used in particle physics experiments to track and identify charged particles in three dimensions with high precision.
  • B. Photon Spectrometer
    The Photon Spectrometer is a specialized detector subsystem of the ALICE experiment at CERN designed to precisely measure and analyze high-energy photons produced in heavy-ion collisions.
  • C. Transition Radiation Detector
    The Transition Radiation Detector is a particle physics instrument that identifies high-energy charged particles—especially electrons—by detecting the X-ray photons they emit when crossing boundaries between materials at relativistic speeds.
  • D. Common Muon and Proton Apparatus for Structure and Spectroscopy
    The Common Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS) is a fixed-target experiment at CERN designed to investigate the internal structure and dynamics of hadrons using high-intensity muon and hadron beams.
  • E. Isotope Separator On-Line Device
    The Isotope Separator On-Line Device (ISOLDE) is a CERN facility that produces and studies a wide range of radioactive ion beams for nuclear physics, astrophysics, and materials science 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: Gigatracker beam spectrometer
Triple: [NA62, hasDetectorComponent, Gigatracker beam spectrometer]
Generated description
The Gigatracker beam spectrometer is a high-precision silicon pixel tracking system used in the NA62 experiment at CERN to measure the momentum and timing of individual particles in the high-intensity kaon beam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gigatracker beam spectrometer
Target entity description: The Gigatracker beam spectrometer is a high-precision silicon pixel tracking system used in the NA62 experiment at CERN to measure the momentum and timing of individual particles in the high-intensity kaon beam.
  • A. Time Projection Chamber
    The Time Projection Chamber is a large gaseous detector used in particle physics experiments to track and identify charged particles in three dimensions with high precision.
  • B. Photon Spectrometer
    The Photon Spectrometer is a specialized detector subsystem of the ALICE experiment at CERN designed to precisely measure and analyze high-energy photons produced in heavy-ion collisions.
  • C. Transition Radiation Detector
    The Transition Radiation Detector is a particle physics instrument that identifies high-energy charged particles—especially electrons—by detecting the X-ray photons they emit when crossing boundaries between materials at relativistic speeds.
  • D. Common Muon and Proton Apparatus for Structure and Spectroscopy
    The Common Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS) is a fixed-target experiment at CERN designed to investigate the internal structure and dynamics of hadrons using high-intensity muon and hadron beams.
  • E. Isotope Separator On-Line Device
    The Isotope Separator On-Line Device (ISOLDE) is a CERN facility that produces and studies a wide range of radioactive ion beams for nuclear physics, astrophysics, and materials science 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_69a2548debd48190ae3a06d6e65b53c6 completed Feb. 28, 2026, 2:35 a.m.
NER Named-entity recognition batch_69a25bc96aa081908ef74c9827c9aa48 completed Feb. 28, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3115a91148190b554ca5fe372569c completed Feb. 28, 2026, 4:01 p.m.
NEDg Description generation batch_69a31440a8e08190b8e7bdd67646899f completed Feb. 28, 2026, 4:13 p.m.
NED2 Entity disambiguation (via description) batch_69a31493e0008190a0e58d9d9d7cfa39 completed Feb. 28, 2026, 4:15 p.m.
Created at: Feb. 28, 2026, 2:41 a.m.