Triple
T2134629
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Royal Borough of Greenwich |
E46620
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | Prime Meridian (Greenwich) |
E17848
|
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: Prime Meridian (Greenwich) | Statement: [Royal Borough of Greenwich, contains, Prime Meridian (Greenwich)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prime Meridian (Greenwich) Context triple: [Royal Borough of Greenwich, contains, Prime Meridian (Greenwich)]
-
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.
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).
-
C.
Greenwich, Kent, England
Greenwich, Kent, England is a historic riverside town on the River Thames best known as the birthplace of King Henry VIII and other Tudor monarchs and for its later role in maritime history and timekeeping.
-
D.
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.
-
E.
Maritime Greenwich
Maritime Greenwich is a historic district in southeast London renowned for its maritime heritage, royal park, and the Royal Observatory, where the Prime Meridian is located.
- 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_69a88a174ab48190a5db20c132e5dccf |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abbba24004819091ffb9440e8615fa |
completed | March 7, 2026, 5:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae51aa86ec8190acf86ac6b26ce4f1 |
completed | March 9, 2026, 4:50 a.m. |
Created at: March 4, 2026, 7:44 p.m.