Triple
T20662867
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alvan Clark |
E507800
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | 18.5-inch Dearborn refractor objective |
—
|
NE NERFINISHED |
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: 18.5-inch Dearborn refractor objective | Statement: [Alvan Clark, notableWork, 18.5-inch Dearborn refractor objective]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 18.5-inch Dearborn refractor objective Context triple: [Alvan Clark, notableWork, 18.5-inch Dearborn refractor objective]
-
A.
11-inch Clark refractor
The 11-inch Clark refractor is a historic, high-quality refracting telescope built by Alvan Clark & Sons, notable for its role in pioneering astrophotographic and spectroscopic observations in the late 19th century.
-
B.
Lick 36-inch refracting telescope
The Lick 36-inch refracting telescope is a historic large-aperture refractor renowned for its pioneering late-19th-century astronomical observations and status as one of the world’s largest refracting telescopes.
-
C.
Rutherfurd photographic telescope
The Rutherfurd photographic telescope is a pioneering 19th-century astronomical instrument built for high-precision celestial photography and spectroscopic studies.
-
D.
Palomar 18-inch Schmidt Telescope
The Palomar 18-inch Schmidt Telescope is a small wide-field survey instrument at Palomar Observatory historically used for photographic sky surveys and the discovery of comets and asteroids.
-
E.
Dall–Kirkham telescope
The Dall–Kirkham telescope is a reflecting telescope design that uses an elliptical primary mirror and spherical secondary mirror to provide good on-axis performance with relatively simple, economical optics.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 18.5-inch Dearborn refractor objective Target entity description: The 18.5-inch Dearborn refractor objective is a historically significant large-aperture telescope lens crafted by renowned 19th-century American optician Alvan Clark for the Dearborn Observatory.
-
A.
11-inch Clark refractor
The 11-inch Clark refractor is a historic, high-quality refracting telescope built by Alvan Clark & Sons, notable for its role in pioneering astrophotographic and spectroscopic observations in the late 19th century.
-
B.
Lick 36-inch refracting telescope
The Lick 36-inch refracting telescope is a historic large-aperture refractor renowned for its pioneering late-19th-century astronomical observations and status as one of the world’s largest refracting telescopes.
-
C.
Rutherfurd photographic telescope
The Rutherfurd photographic telescope is a pioneering 19th-century astronomical instrument built for high-precision celestial photography and spectroscopic studies.
-
D.
Palomar 18-inch Schmidt Telescope
The Palomar 18-inch Schmidt Telescope is a small wide-field survey instrument at Palomar Observatory historically used for photographic sky surveys and the discovery of comets and asteroids.
-
E.
Dall–Kirkham telescope
The Dall–Kirkham telescope is a reflecting telescope design that uses an elliptical primary mirror and spherical secondary mirror to provide good on-axis performance with relatively simple, economical optics.
- F. None of above. chosen
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_69e0b4c059bc81908ea762cd73ea4424 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6b2f4872481908858eb88ce89dd47 |
completed | April 20, 2026, 11:12 p.m. |
Created at: April 16, 2026, 11:44 a.m.