Triple
T20033935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BIPM Circular T |
E497208
|
entity |
| Predicate | isRelatedTo |
P37
|
FINISHED |
| Object | BIPM key comparison of time scales |
—
|
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: BIPM key comparison of time scales | Statement: [BIPM Circular T, isRelatedTo, BIPM key comparison of time scales]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BIPM key comparison of time scales Context triple: [BIPM Circular T, isRelatedTo, BIPM key comparison of time scales]
-
A.
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.
-
B.
U.S. Naval Observatory Master Clock
The U.S. Naval Observatory Master Clock is the primary time standard of the United States, providing ultra-precise reference time for military, governmental, and global positioning system (GPS) operations.
-
C.
Mutual Recognition Arrangement of the CIPM
The Mutual Recognition Arrangement of the CIPM is an international framework under the International Committee for Weights and Measures that enables national metrology institutes worldwide to recognize each other’s measurement standards and calibration and measurement capabilities.
-
D.
CIPM Consultative Committee for Time and Frequency
chosen
The CIPM Consultative Committee for Time and Frequency is an international expert body that coordinates global standards and comparisons for time and frequency measurements under the International Committee for Weights and Measures (CIPM).
-
E.
IEEE 1588 Precision Time Protocol standard
The IEEE 1588 Precision Time Protocol standard defines a method for highly accurate time synchronization over packet-based networks, widely used in industrial automation, telecommunications, and power systems.
- 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.