Triple

T490678

Position	Surface form	Disambiguated ID	Type / Status
Subject	Giant Magellan Telescope	`E9980`	entity
Predicate	comparableProjects	`P14090`	FINISHED
Object	European Extremely Large Telescope The European Extremely Large Telescope is a next-generation ground-based optical and infrared observatory being built by the European Southern Observatory to become the world’s largest and most powerful visible-light telescope.	`E62234`	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: European Extremely Large Telescope | Statement: [Giant Magellan Telescope, comparableProjects, European Extremely Large Telescope]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: European Extremely Large Telescope
Context triple: [Giant Magellan Telescope, comparableProjects, European Extremely Large Telescope]

A. Very Large Telescope
The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
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. Thirty Meter Telescope
The Thirty Meter Telescope is a planned next-generation ground-based optical and infrared observatory with a 30-meter primary mirror, designed to provide extremely high-resolution views of the universe from a mountaintop site.
D. Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
E. Magellan Telescopes
Magellan Telescopes are a pair of 6.5-meter optical-infrared telescopes at Las Campanas Observatory in Chile, used for cutting-edge astronomical research by an international collaboration.
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: European Extremely Large Telescope
Triple: [Giant Magellan Telescope, comparableProjects, European Extremely Large Telescope]

Generated description

The European Extremely Large Telescope is a next-generation ground-based optical and infrared observatory being built by the European Southern Observatory to become the world’s largest and most powerful visible-light telescope.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: European Extremely Large Telescope
Target entity description: The European Extremely Large Telescope is a next-generation ground-based optical and infrared observatory being built by the European Southern Observatory to become the world’s largest and most powerful visible-light telescope.

A. Very Large Telescope
The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
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. Thirty Meter Telescope
The Thirty Meter Telescope is a planned next-generation ground-based optical and infrared observatory with a 30-meter primary mirror, designed to provide extremely high-resolution views of the universe from a mountaintop site.
D. Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
E. Magellan Telescopes
Magellan Telescopes are a pair of 6.5-meter optical-infrared telescopes at Las Campanas Observatory in Chile, used for cutting-edge astronomical research by an international collaboration.
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_69a2e802e2908190ab17c9479e0b6412`	completed	Feb. 28, 2026, 1:05 p.m.
NER	Named-entity recognition	`batch_69a2f0e22a308190b04d12974fd08a38`	completed	Feb. 28, 2026, 1:42 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69a481ecd6e08190a091064a7a1d32c6`	completed	March 1, 2026, 6:14 p.m.
NEDg	Description generation	`batch_69a4845abe288190863e542a09123efc`	completed	March 1, 2026, 6:24 p.m.
NED2	Entity disambiguation (via description)	`batch_69a484a62d188190988e46bbda1050a9`	completed	March 1, 2026, 6:25 p.m.

Created at: Feb. 28, 2026, 1:12 p.m.