Triple
T3591699
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dark Energy Camera |
E76039
|
entity |
| Predicate | locatedAtObservatory |
P7245
|
FINISHED |
| Object | Cerro Tololo Inter-American Observatory |
E12020
|
NE FINISHED |
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: Cerro Tololo Inter-American Observatory | Statement: [Dark Energy Camera, locatedAtObservatory, Cerro Tololo Inter-American Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cerro Tololo Inter-American Observatory Context triple: [Dark Energy Camera, locatedAtObservatory, Cerro Tololo Inter-American Observatory]
-
A.
Cerro Tololo Inter-American Observatory
chosen
Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
-
B.
Gemini Observatory
Gemini Observatory is an international astronomical research facility operating twin 8.1-meter telescopes in Hawaii and Chile to provide comprehensive coverage of both the northern and southern skies.
-
C.
W. M. Keck Observatory
W. M. Keck Observatory is a world-leading astronomical research facility in Hawaii that operates two of the largest optical and infrared telescopes on Earth.
-
D.
National Optical Astronomy Observatory
The National Optical Astronomy Observatory was a U.S. national research center that operated major ground-based optical and infrared telescopes and facilities for the astronomical community.
-
E.
Palomar Observatory
Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of celestial objects.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: locatedAtObservatory Context triple: [Dark Energy Camera, locatedAtObservatory, Cerro Tololo Inter-American Observatory]
-
A.
telescopeLocation
chosen
Indicates the physical place or site where a telescope is situated or installed.
-
B.
observatory
Indicates a relationship where a facility or structure is used to observe, monitor, or study objects or phenomena, typically in astronomy or atmospheric science.
-
C.
hasNearbyObservatories
Indicates that one entity has one or more observatories located in close geographic proximity to it.
-
D.
observatoryType
Indicates the specific kind or category of observatory associated with an entity.
-
E.
observatoryCode
Indicates a code that uniquely identifies the observatory associated with an observation or measurement.
- F. None of above.
Provenance (4 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_69ad85d8042081908af94a04c410dec0 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc15a546481909c72dac80d65e1fb |
completed | March 8, 2026, 6:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4c37c68108190ada8c319e1ec09fa |
completed | March 14, 2026, 2:10 a.m. |
| PD | Predicate disambiguation | batch_69adb839b4e08190b1c0d611cccb11ae |
completed | March 8, 2026, 5:56 p.m. |
Created at: March 8, 2026, 3:22 p.m.