Triple

T22382018
Position Surface form Disambiguated ID Type / Status
Subject X-ray free-electron lasers E553296 entity
Predicate notableFacility P105 FINISHED
Object PAL-XFEL
PAL-XFEL is a major South Korean X-ray free-electron laser facility that provides ultra-bright, ultra-short X-ray pulses for cutting-edge research in physics, chemistry, materials science, and biology.
E1534428 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: PAL-XFEL | Statement: [X-ray free-electron lasers, notableFacility, PAL-XFEL]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: PAL-XFEL
Context triple: [X-ray free-electron lasers, notableFacility, PAL-XFEL]
  • A. European XFEL (in cooperation)
    The European XFEL is a large-scale international research facility in Germany that produces ultra-intense X-ray flashes for cutting-edge experiments in physics, chemistry, materials science, and biology.
  • B. SwissFEL free-electron laser
    The SwissFEL free-electron laser is a cutting-edge X-ray research facility in Switzerland that generates ultra-short, high-brilliance pulses for advanced studies in physics, chemistry, biology, and materials science.
  • C. FERMI free-electron laser
    FERMI is a state-of-the-art free-electron laser facility in Italy that provides ultra-bright, tunable X-ray and ultraviolet light pulses for advanced research in physics, chemistry, and materials science.
  • D. X-ray free-electron lasers
    X-ray free-electron lasers are powerful research instruments that generate extremely bright, ultrashort X-ray pulses for probing matter and high-field quantum phenomena at atomic and subatomic scales.
  • E. LCLS-II
    LCLS-II is an advanced next-generation X-ray free-electron laser facility designed to produce extremely bright, ultrafast X-ray pulses for cutting-edge scientific 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: PAL-XFEL
Triple: [X-ray free-electron lasers, notableFacility, PAL-XFEL]
Generated description
PAL-XFEL is a major South Korean X-ray free-electron laser facility that provides ultra-bright, ultra-short X-ray pulses for cutting-edge research in physics, chemistry, materials science, and biology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: PAL-XFEL
Target entity description: PAL-XFEL is a major South Korean X-ray free-electron laser facility that provides ultra-bright, ultra-short X-ray pulses for cutting-edge research in physics, chemistry, materials science, and biology.
  • A. European XFEL (in cooperation)
    The European XFEL is a large-scale international research facility in Germany that produces ultra-intense X-ray flashes for cutting-edge experiments in physics, chemistry, materials science, and biology.
  • B. SwissFEL free-electron laser
    The SwissFEL free-electron laser is a cutting-edge X-ray research facility in Switzerland that generates ultra-short, high-brilliance pulses for advanced studies in physics, chemistry, biology, and materials science.
  • C. FERMI free-electron laser
    FERMI is a state-of-the-art free-electron laser facility in Italy that provides ultra-bright, tunable X-ray and ultraviolet light pulses for advanced research in physics, chemistry, and materials science.
  • D. X-ray free-electron lasers
    X-ray free-electron lasers are powerful research instruments that generate extremely bright, ultrashort X-ray pulses for probing matter and high-field quantum phenomena at atomic and subatomic scales.
  • E. LCLS-II
    LCLS-II is an advanced next-generation X-ray free-electron laser facility designed to produce extremely bright, ultrafast X-ray pulses for cutting-edge scientific 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_69e11e4c03248190a26a5060ea6973ee completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f1582cce608190b5324b30f349a3ff completed April 29, 2026, 1 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0ae9b5fccc8190acc5ea778e19f7d5 completed May 18, 2026, 10:28 a.m.
NEDg Description generation batch_6a0aeabb52008190b62e3a83dbc3419b completed May 18, 2026, 10:32 a.m.
NED2 Entity disambiguation (via description) batch_6a0aeb6252248190a7cb0df06afd4db2 completed May 18, 2026, 10:35 a.m.
Created at: April 16, 2026, 8:45 p.m.