Triple
T11038275
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Royal Observatory, Greenwich |
E260941
|
entity |
| Predicate | notableInstrument |
P9123
|
FINISHED |
| Object | Harrison marine chronometers |
E371696
|
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: Harrison marine chronometers | Statement: [Royal Observatory, Greenwich, notableInstrument, Harrison marine chronometers]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harrison marine chronometers Context triple: [Royal Observatory, Greenwich, notableInstrument, Harrison marine chronometers]
-
A.
Larcum Kendall K1 chronometer
The Larcum Kendall K1 chronometer was an 18th-century marine timekeeper, closely modeled on John Harrison’s H4, that famously demonstrated the practicality of accurate longitude determination at sea.
-
B.
Chronometer
Chronometer is an experimental 1971 electronic composition by Harrison Birtwistle that explores complex rhythmic structures using recorded clock sounds.
-
C.
Orrery
An orrery is a mechanical model of the solar system that illustrates the relative motions of the planets and moons around the Sun.
-
D.
Board of Longitude
The Board of Longitude was an 18th–19th century British government body established to encourage and reward practical methods for determining a ship’s longitude at sea, playing a key role in the development of modern navigation.
-
E.
John Harrison
chosen
John Harrison was an 18th-century English clockmaker renowned for inventing marine chronometers that solved the problem of determining longitude at sea.
- 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_69d6aa979bdc8190bf0e79104cc098c1 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d797fe93b081909d58bfd4b42715f0 |
completed | April 9, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3a9c669608190af97c461beaf9f31 |
completed | April 18, 2026, 3:56 p.m. |
Created at: April 8, 2026, 9:26 p.m.