Triple
T20576739
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pierre Méchain |
E505236
|
entity |
| Predicate | discovered |
P412
|
FINISHED |
| Object | Messier 102 |
—
|
NE NERFINISHED |
How this triple was built (3 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: Messier 102 | Statement: [Pierre Méchain, discovered, Messier 102]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Messier 102 Context triple: [Pierre Méchain, discovered, Messier 102]
-
A.
Messier 108
Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
-
B.
Messier 101
Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
-
C.
Messier 109
Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
-
D.
Messier 63
Messier 63, also known as the Sunflower Galaxy, is a bright, flocculent spiral galaxy in the constellation Canes Venatici and a prominent member of the M51 Group.
-
E.
Messier 52
Messier 52 is a young, rich open star cluster located in the constellation Cassiopeia, visible through small telescopes as a dense grouping of stars.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Messier 102 Target entity description: Messier 102 is a disputed entry in Charles Messier’s catalog, commonly identified with the edge-on spiral galaxy NGC 5866 in the constellation Draco.
-
A.
Messier 108
Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
-
B.
Messier 101
Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
-
C.
Messier 109
Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
-
D.
Messier 63
Messier 63, also known as the Sunflower Galaxy, is a bright, flocculent spiral galaxy in the constellation Canes Venatici and a prominent member of the M51 Group.
-
E.
Messier 52
Messier 52 is a young, rich open star cluster located in the constellation Cassiopeia, visible through small telescopes as a dense grouping of stars.
- F. None of above. chosen
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_69e0b4b721588190993ac7b0a9be2736 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a90af3608190955d2c7950726178 |
completed | April 20, 2026, 10:30 p.m. |
Created at: April 16, 2026, 11:39 a.m.