Triple
T20034007
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IAU 1991 Resolution A4 |
E497210
|
entity |
| Predicate | defines |
P264
|
FINISHED |
| Object | Geocentric Celestial Reference System |
—
|
NE NERFINISHED |
How this triple was built (3 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: Geocentric Celestial Reference System | Statement: [IAU 1991 Resolution A4, defines, Geocentric Celestial Reference System]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Geocentric Celestial Reference System Context triple: [IAU 1991 Resolution A4, defines, Geocentric Celestial Reference System]
-
A.
Barycentric Celestial Reference System
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.
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.
-
D.
Geocentric Coordinate Time
Geocentric Coordinate Time is a relativistic time scale used for calculations and measurements in the vicinity of Earth's center of mass, particularly in high-precision astronomy and satellite dynamics.
-
E.
IAU 1976 system of astronomical constants
The IAU 1976 system of astronomical constants is a standardized set of numerical values and definitions adopted by the International Astronomical Union to ensure consistency in celestial mechanics, timekeeping, and other astronomical calculations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Geocentric Celestial Reference System Target entity description: The Geocentric Celestial Reference System is a relativistic, Earth-centered coordinate framework used in astronomy and space science to precisely describe the positions and motions of celestial objects as observed from Earth.
-
A.
Barycentric Celestial Reference System
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.
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.
-
D.
Geocentric Coordinate Time
Geocentric Coordinate Time is a relativistic time scale used for calculations and measurements in the vicinity of Earth's center of mass, particularly in high-precision astronomy and satellite dynamics.
-
E.
IAU 1976 system of astronomical constants
The IAU 1976 system of astronomical constants is a standardized set of numerical values and definitions adopted by the International Astronomical Union to ensure consistency in celestial mechanics, timekeeping, and other astronomical calculations.
- F. None of above. chosen
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.