Triple

T1274875
Position Surface form Disambiguated ID Type / Status
Subject National Institute of Standards and Technology E15790 entity
Predicate operates P24 FINISHED
Object NIST-F2 cesium fountain clock E116184 NE FINISHED

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.

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: NIST-F2 cesium fountain clock | Statement: [National Institute of Standards and Technology, operates, NIST-F2 cesium fountain clock]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NIST-F2 cesium fountain clock
Context triple: [National Institute of Standards and Technology, operates, NIST-F2 cesium fountain clock]
  • A. cesium atomic clocks chosen
    Cesium atomic clocks are ultra-precise timekeeping devices that use the microwave frequency of cesium atoms’ electron transitions to define and maintain the international standard for the second.
  • B. International Atomic Time
    International Atomic Time is a high-precision time standard based on the combined output of atomic clocks worldwide, serving as the fundamental reference for modern civil and scientific timekeeping.
  • C. Kennedy–Thorndike experiment
    The Kennedy–Thorndike experiment is a classic test of special relativity that examined the constancy of the speed of light using an interferometer with unequal arm lengths and varying laboratory velocity.
  • D. Ives–Stilwell experiment
    The Ives–Stilwell experiment is a classic test of special relativity that measured the relativistic Doppler effect to confirm time dilation for fast-moving ions.
  • E. The Time Regulation Institute
    The Time Regulation Institute is a satirical novel by Turkish author Ahmet Hamdi Tanpınar that critiques modernization and bureaucracy in early 20th-century Turkey.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c06ee22081908141868b57596e35 completed March 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69acacb7ee8c819084ef29881b2274cb completed March 7, 2026, 10:54 p.m.
Created at: March 1, 2026, 7:50 p.m.