Triple
T21883863
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harvard Plate Stacks |
E540355
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Harvard College 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: Harvard College Observatory | Statement: [Harvard Plate Stacks, operator, Harvard College Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harvard College Observatory Context triple: [Harvard Plate Stacks, operator, Harvard College Observatory]
-
A.
Harvard College Observatory
chosen
Harvard College Observatory is a historic astronomical research institution affiliated with Harvard University, renowned for its pioneering work in observational astronomy and astrophysics.
-
B.
Princeton University Observatory
Princeton University Observatory is an astronomical research facility associated with Princeton University, known for its contributions to stellar structure and evolution, particularly under the leadership of astrophysicist Martin Schwarzschild.
-
C.
Yale University Observatory
Yale University Observatory is an astronomical research institution at Yale University known for its significant contributions to stellar cataloging and observational astronomy.
-
D.
Lowell Observatory
Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
-
E.
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.
- 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e9d3508190aadcfcdac0376387 |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:05 p.m.