Triple
T8178569
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | James Edward Keeler |
E191001
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object | Allegheny Observatory |
E192586
|
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: Allegheny Observatory | Statement: [James Edward Keeler, employer, Allegheny Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Allegheny Observatory Context triple: [James Edward Keeler, employer, Allegheny Observatory]
-
A.
Allegheny Observatory
chosen
Allegheny Observatory is a historic astronomical research facility in Pittsburgh, Pennsylvania, known for its significant contributions to observational astronomy and astrophysics.
-
B.
Cincinnati Observatory
The Cincinnati Observatory is a historic astronomical observatory in Cincinnati, Ohio, often called the "Birthplace of American Astronomy" and known for its 19th-century telescopes and public education programs.
-
C.
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.
-
D.
Kirkwood Observatory
Kirkwood Observatory is an astronomical observatory at Indiana University in Bloomington, Indiana, known for its historic telescope and role in teaching and public outreach in astronomy.
-
E.
Dearborn Observatory
Dearborn Observatory is a historic astronomical observatory at Northwestern University in Evanston, Illinois, known for its large refracting telescope and long-standing role in American astronomical research.
- 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_69ca82c4538081909404325aa5639483 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb4abb66bc81908d758c7af2e23ac6 |
completed | March 31, 2026, 4:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cced64c9588190b8db6452c364347d |
completed | April 1, 2026, 10:03 a.m. |
Created at: March 30, 2026, 5:40 p.m.