Triple

T2974
Position Surface form Disambiguated ID Type / Status
Subject Las Campanas Observatory E55 entity
Predicate plannedFacility P348 FINISHED
Object 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.
E9980 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: Giant Magellan Telescope | Statement: [Las Campanas Observatory, plannedFacility, Giant Magellan Telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Giant Magellan Telescope
Context triple: [Las Campanas Observatory, plannedFacility, Giant Magellan 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. 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.
  • 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. James Webb Space Telescope
    The James Webb Space Telescope is a large, space-based observatory designed to study the universe in infrared light, revealing the formation of the first galaxies, stars, and planetary systems with unprecedented sensitivity and resolution.
  • E. Swope Telescope
    The Swope Telescope is a 1-meter-class optical telescope at Chile’s Las Campanas Observatory, known for its role in supernova and transient object discoveries.
  • 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: Giant Magellan Telescope
Triple: [Las Campanas Observatory, plannedFacility, Giant Magellan Telescope]
Generated description
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Giant Magellan Telescope
Target entity description: The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
  • 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. 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.
  • 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. James Webb Space Telescope
    The James Webb Space Telescope is a large, space-based observatory designed to study the universe in infrared light, revealing the formation of the first galaxies, stars, and planetary systems with unprecedented sensitivity and resolution.
  • E. Swope Telescope
    The Swope Telescope is a 1-meter-class optical telescope at Chile’s Las Campanas Observatory, known for its role in supernova and transient object discoveries.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: plannedFacility
Context triple: [Las Campanas Observatory, plannedFacility, Giant Magellan Telescope]
  • A. hasNotableFacility
    Indicates that an entity possesses or hosts a facility that is of particular significance, prominence, or interest.
  • B. adjacentToInfrastructure
    Indicates that one entity is located directly next to or in immediate proximity to a piece of infrastructure.
  • C. locatedIn
    Indicates that one entity exists or is situated within the spatial, administrative, or conceptual boundaries of another entity.
  • D. proposes
    Indicates that one entity formally suggests or puts forward an idea, plan, or course of action to another entity for consideration or approval.
  • E. administeredBy
    Indicates that an action, service, or process is carried out, managed, or overseen by a specified agent or authority.
  • F. None of above. chosen

Provenance (7 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_69a2328f0e848190ac2840eaf2d5ebd2 completed Feb. 28, 2026, 12:10 a.m.
NER Named-entity recognition batch_69a2346846608190b6b40d31f1dbd685 completed Feb. 28, 2026, 12:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69a26c120b98819087a09540c2a57366 completed Feb. 28, 2026, 4:16 a.m.
NEDg Description generation batch_69a26cf320908190a9c8b23e9cd9b5bd completed Feb. 28, 2026, 4:20 a.m.
NED2 Entity disambiguation (via description) batch_69a26e202e9c81909e0cd66a10314a76 completed Feb. 28, 2026, 4:25 a.m.
PD Predicate disambiguation batch_69a233c396ec8190986608d07fb251d4 completed Feb. 28, 2026, 12:16 a.m.
PDg Predicate description generation batch_69a2346794cc8190afce97b703903389 completed Feb. 28, 2026, 12:18 a.m.
Created at: Feb. 28, 2026, 12:13 a.m.