Triple
T11253268
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Board of Longitude |
E266373
|
entity |
| Predicate | meetsAt |
P373
|
FINISHED |
| Object | Royal Greenwich Observatory |
E260941
|
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 Greenwich Observatory | Statement: [Board of Longitude, meetsAt, Royal Greenwich Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Royal Greenwich Observatory Context triple: [Board of Longitude, meetsAt, Royal Greenwich Observatory]
-
A.
Royal Observatory, Greenwich
chosen
The Royal Observatory, Greenwich is a historic astronomical observatory in London best known as the location of the Prime Meridian and for its pivotal role in the development of modern navigation and timekeeping.
-
B.
Kew Observatory
Kew Observatory is a historic scientific observatory in southwest London, renowned for its 18th- and 19th-century work in astronomy, meteorology, and geomagnetism.
-
C.
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.
-
D.
Royal Museums Greenwich
Royal Museums Greenwich is a group of major museums and heritage sites in Greenwich, London, focused on maritime history, astronomy, and timekeeping, including the National Maritime Museum, the Royal Observatory, the Queen’s House, and the Cutty Sark.
-
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_69d6aac7953c8190b82caf9d7640fdf9 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e933648481909873094bc89ed041 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4cc941d34819099ae30713bdd03e5 |
completed | April 19, 2026, 12:37 p.m. |
Created at: April 8, 2026, 9:31 p.m.