Triple

T18314855
Position Surface form Disambiguated ID Type / Status
Subject NIRC2 camera E438729 entity
Predicate usedOnTelescope P124991 FINISHED
Object Keck II telescope
The Keck II telescope is one of the twin 10-meter Keck Observatory telescopes on Mauna Kea, Hawaii, renowned for its advanced adaptive optics and cutting-edge astronomical observations.
E94854 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: Keck II telescope | Statement: [NIRC2 camera, usedOnTelescope, Keck II telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Keck II telescope
Context triple: [NIRC2 camera, usedOnTelescope, Keck II telescope]
  • A. 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.
  • B. Gemini North Observatory
    Gemini North Observatory is a premier 8.1-meter optical/infrared telescope facility located on Maunakea in Hawaii, forming one half of the international Gemini Observatory.
  • C. Pan-STARRS 1 telescope
    The Pan-STARRS 1 telescope is a wide-field survey instrument located at Haleakalā Observatory in Hawaii, designed to systematically scan the sky for astronomical objects such as asteroids, comets, variable stars, and distant galaxies.
  • 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. Gemini South Observatory
    Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
  • 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: Keck II telescope
Triple: [NIRC2 camera, usedOnTelescope, Keck II telescope]
Generated description
The Keck II telescope is one of the twin 10-meter Keck Observatory telescopes on Mauna Kea, Hawaii, renowned for its advanced adaptive optics and cutting-edge astronomical observations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Keck II telescope
Target entity description: The Keck II telescope is one of the twin 10-meter Keck Observatory telescopes on Mauna Kea, Hawaii, renowned for its advanced adaptive optics and cutting-edge astronomical observations.
  • A. W. M. Keck Observatory chosen
    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.
  • B. Gemini North Observatory
    Gemini North Observatory is a premier 8.1-meter optical/infrared telescope facility located on Maunakea in Hawaii, forming one half of the international Gemini Observatory.
  • C. Pan-STARRS 1 telescope
    The Pan-STARRS 1 telescope is a wide-field survey instrument located at Haleakalā Observatory in Hawaii, designed to systematically scan the sky for astronomical objects such as asteroids, comets, variable stars, and distant galaxies.
  • 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. Gemini South Observatory
    Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
  • F. None of above.

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_69d8b916a2d081909e249e4902f6aad9 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e5021cc70c8190bf43bd75e4af7381 completed April 19, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03c4c1d8048190916dcc7146d15bc4 completed May 13, 2026, 12:24 a.m.
NEDg Description generation batch_6a03c66b72a0819081fe77b42060d6de completed May 13, 2026, 12:31 a.m.
NED2 Entity disambiguation (via description) batch_6a03c6f191b081909a0e65fa1d553b82 completed May 13, 2026, 12:33 a.m.
Created at: April 10, 2026, 10:36 a.m.