Triple
T360373
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maritime Greenwich |
E7836
|
entity |
| Predicate | coordinateSystemReference |
P6025
|
FINISHED |
| Object | Prime Meridian (0° longitude) |
E17848
|
NE FINISHED |
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: Prime Meridian (0° longitude) | Statement: [Maritime Greenwich, coordinateSystemReference, Prime Meridian (0° longitude)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prime Meridian (0° longitude) Context triple: [Maritime Greenwich, coordinateSystemReference, Prime Meridian (0° longitude)]
-
A.
Prime Meridian
chosen
The Prime Meridian is the internationally recognized zero-degree line of longitude from which all other longitudes and global time zones are measured.
-
B.
Humboldt meridian
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
-
C.
Greenwich Mean Time
Greenwich Mean Time is the mean solar time at the Royal Observatory in Greenwich, London, historically used as the world’s primary reference for timekeeping and the basis for Coordinated Universal Time (UTC).
-
D.
San Bernardino meridian
The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
-
E.
Equator
The Equator is an imaginary line encircling the Earth at equal distance from the poles, dividing the planet into Northern and Southern Hemispheres and marking 0° latitude.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: coordinateSystemReference Context triple: [Maritime Greenwich, coordinateSystemReference, Prime Meridian (0° longitude)]
-
A.
coordinateSystem
Indicates that one entity defines or uses a particular spatial or reference coordinate system in relation to another entity.
-
B.
coordinates
Indicates that one entity organizes, directs, or harmonizes the actions or efforts of another entity or group to achieve a unified outcome.
-
C.
referenceMeridian
chosen
Indicates that one location, measurement, or coordinate system is defined or interpreted relative to a specified meridian used as its longitudinal reference.
-
D.
coordinateLatitude
Indicates the north–south geographic position of an entity on the Earth’s surface, expressed as a latitude coordinate.
-
E.
coordinatesWith
Indicates that one entity works together with another in an organized or synchronized manner to achieve a shared or compatible outcome.
- F. None of above.
Provenance (4 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_69a2e7e880008190a6ad7e06e5d03007 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ebccb8d88190a31f7c443a0c8566 |
completed | Feb. 28, 2026, 1:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3e86386e08190a21d34fea9faaef0 |
completed | March 1, 2026, 7:18 a.m. |
| PD | Predicate disambiguation | batch_69a2e95aeed48190b5e48865cc964938 |
completed | Feb. 28, 2026, 1:10 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.