Triple
T148478
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | GMT |
E3380
|
entity |
| Predicate | measuredAt |
P6024
|
FINISHED |
| Object | Royal Observatory, Greenwich |
E7836
|
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: Royal Observatory, Greenwich | Statement: [GMT, measuredAt, Royal Observatory, Greenwich]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Royal Observatory, Greenwich Context triple: [GMT, measuredAt, 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.
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.
-
D.
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.
-
E.
Somerset House, London
Somerset House in London is a grand 18th-century riverside complex renowned for its neoclassical design and its role as a major cultural and arts centre.
- 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: measuredAt Context triple: [GMT, measuredAt, Royal Observatory, Greenwich]
-
A.
dateObserved
Indicates the specific date on which an event, condition, or measurement was recorded or observed.
-
B.
acquisitionDate
Indicates the date on which one entity formally acquires or takes ownership of another entity.
-
C.
operatedAt
Indicates that an operation, procedure, or activity was performed at a specific location or facility.
-
D.
displayedAt
Indicates that one entity is presented or exhibited at a particular location, venue, or event.
-
E.
concludedAt
Indicates the point in time at which an event, process, or relationship comes to an end or is completed.
- F. None of above. chosen
Provenance (5 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_69a252868de4819080e21c9938bfe8b6 |
completed | Feb. 28, 2026, 2:27 a.m. |
| NER | Named-entity recognition | batch_69a257ecb6f48190992c4c8ca908a81c |
completed | Feb. 28, 2026, 2:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a34418bb848190ac26adef7f990f93 |
completed | Feb. 28, 2026, 7:38 p.m. |
| PD | Predicate disambiguation | batch_69a256599db08190a7b000b381d32ec4 |
completed | Feb. 28, 2026, 2:43 a.m. |
| PDg | Predicate description generation | batch_69a25737f9188190b9690dce98aed83a |
completed | Feb. 28, 2026, 2:47 a.m. |
Created at: Feb. 28, 2026, 2:31 a.m.