Triple
T21768951
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nasmyth platform of Magellan telescopes |
E537370
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Las Campanas Observatory |
—
|
NE NERFINISHED |
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: Las Campanas Observatory | Statement: [Nasmyth platform of Magellan telescopes, locatedIn, Las Campanas Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Las Campanas Observatory Context triple: [Nasmyth platform of Magellan telescopes, locatedIn, Las Campanas Observatory]
-
A.
Las Campanas Observatory
chosen
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
B.
Vallot Observatory
Vallot Observatory is a high-altitude scientific research station in the Mont Blanc massif, historically used for studies in meteorology, physiology, and glaciology.
-
C.
Purple Mountain Observatory
Purple Mountain Observatory is a historic Chinese astronomical research institution in Nanjing known for its contributions to optical astronomy, minor planet discoveries, and early modern astronomy in China.
-
D.
Barnard Observatory
Barnard Observatory is a historic astronomical observatory at the University of Mississippi, named for astronomer Edward Emerson Barnard and known for its 19th-century role in American observational astronomy.
-
E.
Perkins Observatory
Perkins Observatory is an astronomical observatory in Ohio known for its public stargazing programs and educational outreach in astronomy.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c46f5d1c8190bf830409e98464e5 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f031ac10808190837a0f69c4f8a02d |
completed | April 28, 2026, 4:03 a.m. |
Created at: April 16, 2026, 6:51 p.m.