Triple
T18775193
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canis Major Overdensity |
E459116
|
entity |
| Predicate | hasAlternativeName |
P39
|
FINISHED |
| Object | CMa overdensity |
—
|
NE NERFINISHED |
How this triple was built (2 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: CMa overdensity | Statement: [Canis Major Overdensity, hasAlternativeName, CMa overdensity]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CMa overdensity Context triple: [Canis Major Overdensity, hasAlternativeName, CMa overdensity]
-
A.
CMa Overdensity
CMa Overdensity is a debated stellar overdensity in the direction of Canis Major, thought by some astronomers to be the remnant of a disrupted dwarf galaxy merging with the Milky Way.
-
B.
Virgo Overdensity
The Virgo Overdensity is a large, diffuse concentration of stars in the Milky Way’s outer regions, thought to be the remnant of a disrupted dwarf galaxy or stellar stream.
-
C.
Canis Major Overdensity
chosen
The Canis Major Overdensity is a debated stellar overdensity near the plane of the Milky Way, often interpreted as either the remnant core of a disrupted dwarf galaxy or a warp/flare feature of the Galactic disk.
-
D.
Triangulum–Andromeda overdensity
The Triangulum–Andromeda overdensity is a large, diffuse stellar structure in the outer regions of the Milky Way, thought to be the remnant of a disrupted dwarf galaxy or tidal stream.
-
E.
Southern MAssive Cluster Survey
The Southern Massive Cluster Survey is an astronomical project focused on identifying and studying some of the most massive galaxy clusters in the southern sky to investigate cosmology and large-scale structure formation.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8d395dba0819087568404508590cb |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5933ad4288190b17e5fad57d8417d |
completed | April 20, 2026, 2:45 a.m. |
Created at: April 10, 2026, 11:52 a.m.