Triple
T147115
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IMACS |
E3353
|
entity |
| Predicate | mountedOn |
P3054
|
FINISHED |
| Object |
Nasmyth focus of Magellan Baade Telescope
The Nasmyth focus of the Magellan Baade Telescope is a stable, instrument-dedicated focal station located on the telescope’s altitude axis, designed to host large instruments like IMACS for high-quality astronomical observations.
|
E768
|
NE FINISHED |
How this triple was built (5 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: Nasmyth focus of Magellan Baade Telescope | Statement: [IMACS, mountedOn, Nasmyth focus of Magellan Baade Telescope]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nasmyth focus of Magellan Baade Telescope Context triple: [IMACS, mountedOn, Nasmyth focus of Magellan Baade Telescope]
-
A.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
B.
Giant Magellan Telescope
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
-
C.
Warsaw Telescope
The Warsaw Telescope is a 1.3-meter optical telescope at Las Campanas Observatory in Chile, widely used for large-scale astronomical surveys such as the OGLE project.
-
D.
du Pont Telescope
The du Pont Telescope is a 2.5-meter optical telescope at Chile’s Las Campanas Observatory used for a wide range of astronomical imaging and spectroscopic research.
-
E.
Magellan Echellette Spectrograph (MagE)
Magellan Echellette Spectrograph (MagE) is a medium-resolution optical echellette spectrograph designed for wide wavelength coverage and efficient spectroscopy of faint astronomical sources.
- 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: Nasmyth focus of Magellan Baade Telescope Triple: [IMACS, mountedOn, Nasmyth focus of Magellan Baade Telescope]
Generated description
The Nasmyth focus of the Magellan Baade Telescope is a stable, instrument-dedicated focal station located on the telescope’s altitude axis, designed to host large instruments like IMACS for high-quality astronomical observations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nasmyth focus of Magellan Baade Telescope Target entity description: The Nasmyth focus of the Magellan Baade Telescope is a stable, instrument-dedicated focal station located on the telescope’s altitude axis, designed to host large instruments like IMACS for high-quality astronomical observations.
-
A.
Baade Telescope
chosen
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
B.
Giant Magellan Telescope
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
-
C.
Warsaw Telescope
The Warsaw Telescope is a 1.3-meter optical telescope at Las Campanas Observatory in Chile, widely used for large-scale astronomical surveys such as the OGLE project.
-
D.
du Pont Telescope
The du Pont Telescope is a 2.5-meter optical telescope at Chile’s Las Campanas Observatory used for a wide range of astronomical imaging and spectroscopic research.
-
E.
Magellan Echellette Spectrograph (MagE)
Magellan Echellette Spectrograph (MagE) is a medium-resolution optical echellette spectrograph designed for wide wavelength coverage and efficient spectroscopy of faint astronomical sources.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: mountedOn Context triple: [IMACS, mountedOn, Nasmyth focus of Magellan Baade Telescope]
-
A.
builtOn
Indicates that one entity is constructed, developed, or established using another entity as its base, foundation, or underlying platform.
-
B.
bindingOn
Indicates that one party is legally or formally obligated to follow, accept, or be governed by a decision, rule, or agreement established by another.
-
C.
installedAt
chosen
Indicates that something has been set up, placed, or put into operation at a specific location or site.
-
D.
addedTo
Indicates that one entity has been included or incorporated into another entity, typically as a new component, member, or element.
-
E.
isOn
Indicates that one entity is physically positioned above and in contact with the top surface of another entity.
- F. None of above.
Provenance (6 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_69a252868de4819080e21c9938bfe8b6 |
completed | Feb. 28, 2026, 2:27 a.m. |
| NER | Named-entity recognition | batch_69a258808ff08190a06b6206f635612b |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2c2763ce481908c12046de9003a84 |
completed | Feb. 28, 2026, 10:24 a.m. |
| NEDg | Description generation | batch_69a2c2f02810819092e3263ac91b5fe3 |
completed | Feb. 28, 2026, 10:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2c369498481908c4213b04aea9c97 |
completed | Feb. 28, 2026, 10:28 a.m. |
| PD | Predicate disambiguation | batch_69a256580c2c8190beecca60ca8595f3 |
completed | Feb. 28, 2026, 2:43 a.m. |
Created at: Feb. 28, 2026, 2:31 a.m.