Triple
T825792
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Prime Meridian |
E17848
|
entity |
| Predicate | definedBy |
P773
|
FINISHED |
| Object | International Earth Rotation and Reference Systems Service |
E49119
|
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: International Earth Rotation and Reference Systems Service | Statement: [Prime Meridian, definedBy, International Earth Rotation and Reference Systems Service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: International Earth Rotation and Reference Systems Service Context triple: [Prime Meridian, definedBy, International Earth Rotation and Reference Systems Service]
-
A.
International Earth Rotation and Reference Systems Service
chosen
The International Earth Rotation and Reference Systems Service (IERS) is an international organization that monitors Earth's rotation and maintains global reference systems used for precise timekeeping, navigation, and geodesy.
-
B.
International Bureau of Weights and Measures
The International Bureau of Weights and Measures is an international organization that maintains the global system of units (SI) and ensures worldwide uniformity of measurements and time standards.
-
C.
National Astronomy and Ionosphere Center
The National Astronomy and Ionosphere Center was a U.S. research organization best known for operating the Arecibo Observatory and conducting pioneering work in radio astronomy and atmospheric science.
-
D.
International Union of Radio Science
The International Union of Radio Science (URSI) is a global scientific organization that promotes research, collaboration, and knowledge exchange in all fields of radio science and electromagnetic waves.
-
E.
International Bureau
The International Bureau is the permanent secretariat and administrative center of the Universal Postal Union, responsible for coordinating international postal activities and supporting member countries.
- 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_69a4937c9c188190aaa216f6b466f452 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ab976094819086d676404d745750 |
completed | March 1, 2026, 9:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a76d9577f081908aa31b1926e04bb8 |
completed | March 3, 2026, 11:24 p.m. |
Created at: March 1, 2026, 7:38 p.m.