Triple
T18775161
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canis Major Overdensity |
E459116
|
entity |
| Predicate | discoveredUsing |
P7311
|
FINISHED |
| Object | 2MASS |
—
|
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: 2MASS | Statement: [Canis Major Overdensity, discoveredUsing, 2MASS]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 2MASS Context triple: [Canis Major Overdensity, discoveredUsing, 2MASS]
-
A.
Two Micron All Sky Survey
chosen
The Two Micron All Sky Survey (2MASS) is an astronomical survey that mapped the entire sky in near-infrared wavelengths, producing a comprehensive catalog of stars, galaxies, and other celestial objects.
-
B.
Bonner Durchmusterung
Bonner Durchmusterung is a 19th-century astronomical star catalog that systematically surveyed and recorded the positions and magnitudes of hundreds of thousands of stars in the northern sky.
-
C.
Palomar Observatory Sky Survey
The Palomar Observatory Sky Survey is a landmark mid-20th-century photographic mapping of the night sky that produced some of the most widely used astronomical reference images for research and discovery.
-
D.
David Dunlap Observatory (DDO) catalog
The David Dunlap Observatory (DDO) catalog is an astronomical catalog of dwarf galaxies compiled from observations at the David Dunlap Observatory, widely used in studies of nearby low-luminosity galaxies.
-
E.
Beijing–Arizona Sky Survey
The Beijing–Arizona Sky Survey is an astronomical project that conducts wide-field imaging of the night sky, contributing data for studies of galaxies, cosmology, and large-scale structure.
- 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.