Triple
T4943111
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lowell Observatory |
E110983
|
entity |
| Predicate | employed |
P7
|
FINISHED |
| Object | Edward C. Slipher |
E489378
|
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: Edward C. Slipher | Statement: [Lowell Observatory, employed, Edward C. Slipher]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Edward C. Slipher Context triple: [Lowell Observatory, employed, Edward C. Slipher]
-
A.
Vesto Melvin Slipher
chosen
Vesto Melvin Slipher was an American astronomer best known for his pioneering measurements of galaxy redshifts, which provided early evidence for the expansion of the universe.
-
B.
Milton Humason
Milton Humason was an American astronomer who, despite lacking formal education, became a key collaborator of Edwin Hubble and made crucial spectroscopic observations that helped establish the evidence for the expanding universe.
-
C.
Edward Charles Pickering
Edward Charles Pickering was a pioneering American astronomer and longtime director of the Harvard College Observatory, known for his major contributions to stellar spectroscopy and the classification of stars.
-
D.
George Willis Ritchey
George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
-
E.
George Ellery Hale
George Ellery Hale was an influential American solar astronomer and observatory builder who pioneered modern astrophysics and led the creation of several of the world’s largest telescopes.
- 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_69bd441721cc819085c7e33fe0876818 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd70a7650c8190b046b65072fd8eae |
completed | March 20, 2026, 4:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb0daa53481908c705ca3698ab777 |
completed | March 21, 2026, 2:53 p.m. |
Created at: March 20, 2026, 1:31 p.m.