Triple
T22279502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Abell 426 |
E550692
|
entity |
| Predicate | hasCentralActiveGalaxy |
P60325
|
FINISHED |
| Object | NGC 1275 |
—
|
NE NERFINISHED |
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: NGC 1275 | Statement: [Abell 426, hasCentralActiveGalaxy, NGC 1275]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NGC 1275 Context triple: [Abell 426, hasCentralActiveGalaxy, NGC 1275]
-
A.
NGC 4696
NGC 4696 is a massive elliptical galaxy that serves as the central dominant galaxy of the Centaurus Cluster, notable for its complex dust lanes and active galactic nucleus.
-
B.
NGC 4478
NGC 4478 is an elliptical galaxy located in the constellation Virgo and is a member of the Virgo Cluster of galaxies.
-
C.
Ptolemy Cluster
The Ptolemy Cluster is a bright open star cluster in the constellation Scorpius, easily visible to the naked eye and popular with amateur astronomers.
-
D.
NGC 4472
NGC 4472, also known as M49, is a giant elliptical galaxy in the Virgo Cluster and one of the brightest galaxies in the Virgo constellation.
-
E.
Perseus Cluster
The Perseus Cluster is a massive, nearby galaxy cluster dominated by the bright galaxy NGC 1275 and known for its hot X-ray–emitting gas and powerful radio and acoustic phenomena in its intracluster medium.
- 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: NGC 1275 Target entity description: NGC 1275 is a bright, active galaxy in the Perseus Cluster known for its powerful radio emissions, complex filamentary gas structures, and a central supermassive black hole driving strong energetic activity.
-
A.
NGC 4696
NGC 4696 is a massive elliptical galaxy that serves as the central dominant galaxy of the Centaurus Cluster, notable for its complex dust lanes and active galactic nucleus.
-
B.
NGC 4478
NGC 4478 is an elliptical galaxy located in the constellation Virgo and is a member of the Virgo Cluster of galaxies.
-
C.
Ptolemy Cluster
The Ptolemy Cluster is a bright open star cluster in the constellation Scorpius, easily visible to the naked eye and popular with amateur astronomers.
-
D.
NGC 4472
NGC 4472, also known as M49, is a giant elliptical galaxy in the Virgo Cluster and one of the brightest galaxies in the Virgo constellation.
-
E.
Perseus Cluster
The Perseus Cluster is a massive, nearby galaxy cluster dominated by the bright galaxy NGC 1275 and known for its hot X-ray–emitting gas and powerful radio and acoustic phenomena in its intracluster medium.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasCentralActiveGalaxy Context triple: [Abell 426, hasCentralActiveGalaxy, NGC 1275]
-
A.
hasCentralGalaxy
Indicates that a galaxy cluster or group possesses a specific galaxy that occupies the central, dominant position within it.
-
B.
containsActiveGalaxy
chosen
Indicates that one entity (typically a region or structure in space) includes within its bounds an active galaxy as one of its components.
-
C.
hasCentralBulge
Indicates that an astronomical object, typically a galaxy, possesses a dense, rounded central concentration of stars or matter.
-
D.
containsGalaxy
Indicates that one entity spatially includes or encompasses a galaxy as part of its contents or structure.
-
E.
isNonActiveGalaxy
Indicates that a galaxy does not currently exhibit significant energetic activity in its nucleus, such as strong radiation or jets associated with an active galactic nucleus.
- F. None of above.
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_69e11e44d538819097c6b8f333af3352 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f14eaa8cec819081c2ad031154ebe7 |
completed | April 29, 2026, 12:19 a.m. |
| PD | Predicate disambiguation | batch_69e72ff0363081909f794d19c8a64837 |
completed | April 21, 2026, 8:06 a.m. |
Created at: April 16, 2026, 8:40 p.m.