Triple
T21301899
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | NGC 4639 |
E525085
|
entity |
| Predicate | isCatalogedAs |
P107050
|
FINISHED |
| Object |
PGC 42741
PGC 42741 is a barred spiral galaxy in the constellation Virgo, better known as NGC 4639 and noted for hosting a Type Ia supernova used in measuring cosmic distances.
|
E1489585
|
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: PGC 42741 | Statement: [NGC 4639, isCatalogedAs, PGC 42741]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PGC 42741 Context triple: [NGC 4639, isCatalogedAs, PGC 42741]
-
A.
PGC 42701
PGC 42701 is a spiral galaxy, better known as NGC 4622, located in the constellation Centaurus and noted for its unusual backward-winding spiral arms.
-
B.
PGC 45279
PGC 45279 is a barred spiral galaxy in the constellation Centaurus, better known as NGC 4945, and is one of the brightest and closest starburst galaxies to the Milky Way.
-
C.
PGC 49473
PGC 49473 is a faint, nearby dwarf irregular galaxy in the Centaurus A/M83 galaxy group, cataloged in the Principal Galaxies Catalogue.
-
D.
PGC 34176
PGC 34176 is a dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Leo, commonly known as Leo I.
-
E.
PGC 47495
PGC 47495 is a dwarf irregular galaxy in the constellation Ursa Major, cataloged in the Principal Galaxies Catalogue.
- 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: PGC 42741 Triple: [NGC 4639, isCatalogedAs, PGC 42741]
Generated description
PGC 42741 is a barred spiral galaxy in the constellation Virgo, better known as NGC 4639 and noted for hosting a Type Ia supernova used in measuring cosmic distances.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PGC 42741 Target entity description: PGC 42741 is a barred spiral galaxy in the constellation Virgo, better known as NGC 4639 and noted for hosting a Type Ia supernova used in measuring cosmic distances.
-
A.
PGC 42701
PGC 42701 is a spiral galaxy, better known as NGC 4622, located in the constellation Centaurus and noted for its unusual backward-winding spiral arms.
-
B.
PGC 45279
PGC 45279 is a barred spiral galaxy in the constellation Centaurus, better known as NGC 4945, and is one of the brightest and closest starburst galaxies to the Milky Way.
-
C.
PGC 49473
PGC 49473 is a faint, nearby dwarf irregular galaxy in the Centaurus A/M83 galaxy group, cataloged in the Principal Galaxies Catalogue.
-
D.
PGC 34176
PGC 34176 is a dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Leo, commonly known as Leo I.
-
E.
PGC 47495
PGC 47495 is a dwarf irregular galaxy in the constellation Ursa Major, cataloged in the Principal Galaxies Catalogue.
- 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_69e0b517e6748190850d6f6ddf323d69 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7385cd6308190bf300494833b048f |
completed | April 21, 2026, 8:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09e8103c288190a6818521971b4d1c |
completed | May 17, 2026, 4:08 p.m. |
| NEDg | Description generation | batch_6a09e8c687fc81908d3b8b7a2cdfedff |
completed | May 17, 2026, 4:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09e93ff78c819099a9fed7a4874ba5 |
completed | May 17, 2026, 4:13 p.m. |
Created at: April 16, 2026, 4:05 p.m.