Triple
T19203816
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | NGC 5408 |
E480178
|
entity |
| Predicate | hosts |
P186
|
FINISHED |
| Object | NGC 5408 X-1 |
—
|
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: NGC 5408 X-1 | Statement: [NGC 5408, hosts, NGC 5408 X-1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NGC 5408 X-1 Context triple: [NGC 5408, hosts, NGC 5408 X-1]
-
A.
Scorpius X-1
Scorpius X-1 is a bright low-mass X-ray binary system and one of the strongest persistent X-ray sources in the sky, located in the constellation Scorpius.
-
B.
Cygnus X-2
Cygnus X-2 is a bright low-mass X-ray binary system in the constellation Cygnus, consisting of a neutron star accreting matter from a companion star and serving as an important source for studying X-ray emission and compact objects.
-
C.
Cygnus X-3
Cygnus X-3 is a powerful X-ray binary system in the constellation Cygnus, believed to consist of a compact object such as a black hole or neutron star orbiting a massive companion star and known for its intense X-ray and gamma-ray emissions.
-
D.
Cygnus X-1
Cygnus X-1 is one of the strongest known X-ray sources in the sky and the first widely accepted stellar-mass black hole candidate, located in the constellation Cygnus.
-
E.
Holmberg II X-1
Holmberg II X-1 is an ultraluminous X-ray source in the dwarf galaxy Holmberg II, believed to be powered by accretion onto a compact object such as a black hole.
- 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 5408 X-1 Target entity description: NGC 5408 X-1 is an ultraluminous X-ray source in the dwarf galaxy NGC 5408, thought to be powered by accretion onto a stellar-mass or intermediate-mass black hole.
-
A.
Scorpius X-1
Scorpius X-1 is a bright low-mass X-ray binary system and one of the strongest persistent X-ray sources in the sky, located in the constellation Scorpius.
-
B.
Cygnus X-2
Cygnus X-2 is a bright low-mass X-ray binary system in the constellation Cygnus, consisting of a neutron star accreting matter from a companion star and serving as an important source for studying X-ray emission and compact objects.
-
C.
Cygnus X-3
Cygnus X-3 is a powerful X-ray binary system in the constellation Cygnus, believed to consist of a compact object such as a black hole or neutron star orbiting a massive companion star and known for its intense X-ray and gamma-ray emissions.
-
D.
Cygnus X-1
Cygnus X-1 is one of the strongest known X-ray sources in the sky and the first widely accepted stellar-mass black hole candidate, located in the constellation Cygnus.
-
E.
Holmberg II X-1
Holmberg II X-1 is an ultraluminous X-ray source in the dwarf galaxy Holmberg II, believed to be powered by accretion onto a compact object such as a black hole.
- 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_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5f99b37c081908c13e0b4cca52aa4 |
completed | April 20, 2026, 10:02 a.m. |
Created at: April 10, 2026, 1:16 p.m.