Triple
T22983979
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1912 paper on periods of 25 Cepheid variables in the Small Magellanic Cloud |
E571549
|
entity |
| Predicate | dataSource |
P409
|
FINISHED |
| Object | Harvard College Observatory photographic plate archive |
—
|
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 photographic plate archive | Statement: [1912 paper on periods of 25 Cepheid variables in the Small Magellanic Cloud, dataSource, Harvard College Observatory photographic plate archive]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harvard College Observatory photographic plate archive Context triple: [1912 paper on periods of 25 Cepheid variables in the Small Magellanic Cloud, dataSource, Harvard College Observatory photographic plate archive]
-
A.
Harvard College Observatory Annals
Harvard College Observatory Annals is a historic series of astronomical publications documenting the observations, research, and discoveries made at the Harvard College Observatory.
-
B.
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.
-
C.
Smithsonian Astrophysical Observatory Telescope Data Center
The Smithsonian Astrophysical Observatory Telescope Data Center is a specialized facility that archives, processes, and distributes astronomical data from ground- and space-based telescopes for the astrophysics research community.
-
D.
Harvard Observatory photographic sky survey
The Harvard Observatory photographic sky survey was an early, pioneering program that systematically photographed the night sky, creating one of the first large-scale, long-term archives of astronomical images used for studying variable stars and other celestial phenomena.
-
E.
Palomar Observatory Sky Survey
The Palomar Observatory Sky Survey is a landmark mid-20th-century photographic mapping of the night sky that produced some of the most widely used astronomical reference images for research and discovery.
- 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_69e245b3c50481908bb3741ec9f40862 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1829775e881909c5d6d35d3fd57f7 |
completed | April 29, 2026, 4:01 a.m. |
Created at: April 17, 2026, 3:49 p.m.