Triple
T825758
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Prime Meridian |
E17848
|
entity |
| Predicate | passesThrough |
P225
|
FINISHED |
| Object | Royal Observatory, Greenwich |
E7836
|
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: Royal Observatory, Greenwich | Statement: [Prime Meridian, passesThrough, Royal Observatory, Greenwich]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Royal Observatory, Greenwich Context triple: [Prime Meridian, passesThrough, Royal Observatory, Greenwich]
-
A.
Maritime Greenwich
chosen
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.
-
B.
Portland Observatory
The Portland Observatory is a historic maritime signal tower in Portland, Maine, and the last surviving structure of its kind in the United States.
-
C.
Natural History Museum, London
The Natural History Museum in London is a major British institution renowned for its vast collections of specimens from natural history, iconic dinosaur displays, and grand Romanesque architecture in South Kensington.
-
D.
Westminster World Heritage Site
Westminster World Heritage Site is a UNESCO-listed historic area in central London that encompasses key British ceremonial and political landmarks, including Westminster Abbey and the Palace of Westminster.
-
E.
Tower of London
The Tower of London is a historic fortress and former royal palace on the River Thames, famed for its role as a prison, treasury, and home of the Crown Jewels.
- 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.