Triple
T20989958
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PGC 19441 |
E516993
|
entity |
| Predicate | discoveredBy |
P412
|
FINISHED |
| Object |
N. U. Mayall
N. U. Mayall was an American astronomer known for his work in observational cosmology and for directing the Lick Observatory.
|
E1461702
|
NE FINISHED |
How this triple was built (4 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: N. U. Mayall | Statement: [PGC 19441, discoveredBy, N. U. Mayall]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: N. U. Mayall Context triple: [PGC 19441, discoveredBy, N. U. Mayall]
-
A.
Will M. Ritchey
Will M. Ritchey was an early 20th-century American screenwriter active during the silent film era.
-
B.
Edward Emerson Barnard
Edward Emerson Barnard was an American astronomer renowned for his discoveries of comets, dark nebulae, and the high proper-motion star now known as Barnard's Star.
-
C.
Herschel Mayall
Herschel Mayall was an American stage and silent film actor active in the early 20th century, known for character roles in numerous dramas and adventure films.
-
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 O. Abell
George O. Abell was an American astronomer and educator best known for his catalog of rich clusters of galaxies and his work popularizing astronomy.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: N. U. Mayall Triple: [PGC 19441, discoveredBy, N. U. Mayall]
Generated description
N. U. Mayall was an American astronomer known for his work in observational cosmology and for directing the Lick Observatory.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: N. U. Mayall Target entity description: N. U. Mayall was an American astronomer known for his work in observational cosmology and for directing the Lick Observatory.
-
A.
Will M. Ritchey
Will M. Ritchey was an early 20th-century American screenwriter active during the silent film era.
-
B.
Edward Emerson Barnard
Edward Emerson Barnard was an American astronomer renowned for his discoveries of comets, dark nebulae, and the high proper-motion star now known as Barnard's Star.
-
C.
Herschel Mayall
Herschel Mayall was an American stage and silent film actor active in the early 20th century, known for character roles in numerous dramas and adventure films.
-
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 O. Abell
George O. Abell was an American astronomer and educator best known for his catalog of rich clusters of galaxies and his work popularizing astronomy.
- F. None of above. chosen
Provenance (5 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_69e0b4ffac148190bbade9f0eceb660b |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6fbe5f49c8190a5c031eceba9ebf7 |
completed | April 21, 2026, 4:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a093b4debcc8190bedc21f0d64e2441 |
completed | May 17, 2026, 3:51 a.m. |
| NEDg | Description generation | batch_6a093e9f92648190a332008992868ec3 |
completed | May 17, 2026, 4:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a093f2a17e881908f672e05d38054f8 |
completed | May 17, 2026, 4:08 a.m. |
Created at: April 16, 2026, 1:49 p.m.