Triple

T20034006
Position Surface form Disambiguated ID Type / Status
Subject IAU 1991 Resolution A4 E497210 entity
Predicate defines P264 FINISHED
Object Barycentric Celestial Reference System — NE NERFINISHED

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: Barycentric Celestial Reference System | Statement: [IAU 1991 Resolution A4, defines, Barycentric Celestial Reference System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Barycentric Celestial Reference System
Context triple: [IAU 1991 Resolution A4, defines, Barycentric Celestial Reference System]
  • A. Barycentric Celestial Reference System chosen
    The Barycentric Celestial Reference System is a relativistic, solar-system–centered coordinate framework used in astronomy and astrometry to precisely describe the positions and motions of celestial bodies with respect to the solar system’s center of mass.
  • B. International Celestial Reference System
    The International Celestial Reference System is the standard, high-precision coordinate framework used in astronomy and geodesy to define positions of celestial objects relative to distant quasars.
  • C. Barycentric Dynamical Time
    Barycentric Dynamical Time is a relativistic time scale used in celestial mechanics and ephemerides, defined for an observer at the solar system’s barycenter to accurately model planetary and spacecraft motions.
  • D. IERS ICRS Centre
    The IERS ICRS Centre is the component of the International Earth Rotation and Reference Systems Service responsible for realizing, maintaining, and providing access to the International Celestial Reference System used for precise astronomical and geodetic measurements.
  • E. International VLBI Service for Geodesy and Astrometry
    The International VLBI Service for Geodesy and Astrometry is an international organization that coordinates Very Long Baseline Interferometry observations to provide precise measurements of Earth’s rotation, reference frames, and celestial positions.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69da627278c88190babe4297a9df1236 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e662e6a7e481908069c1de2b3f94e0 completed April 20, 2026, 5:31 p.m.
Created at: April 11, 2026, 3:36 p.m.