Triple

T6006801
Position Surface form Disambiguated ID Type / Status
Subject Steward Observatory E133729 entity
Predicate operates P24 FINISHED
Object Steward Observatory Mirror Lab
The Steward Observatory Mirror Lab is a renowned University of Arizona facility that designs and fabricates giant, high-precision telescope mirrors for some of the world’s most advanced astronomical observatories.
 E133729 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: Steward Observatory Mirror Lab | Statement: [Steward Observatory, operates, Steward Observatory Mirror Lab]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Steward Observatory Mirror Lab
Context triple: [Steward Observatory, operates, Steward Observatory Mirror Lab]
  • A. Steward Observatory
    Steward Observatory is the University of Arizona’s renowned astronomy research center, known for its contributions to optical and infrared astronomy and the development of advanced telescope facilities.
  • B. Mount Lemmon Observatory
    Mount Lemmon Observatory is an astronomical research and public outreach facility located near the summit of Mount Lemmon in Arizona, known for its optical telescopes and sky surveys.
  • C. Kitt Peak National Observatory
    Kitt Peak National Observatory is a major astronomical research facility in Arizona that hosts numerous telescopes used for studying the universe and discovering celestial objects.
  • D. 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.
  • E. 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.
  • 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: Steward Observatory Mirror Lab
Triple: [Steward Observatory, operates, Steward Observatory Mirror Lab]
Generated description
The Steward Observatory Mirror Lab is a renowned University of Arizona facility that designs and fabricates giant, high-precision telescope mirrors for some of the world’s most advanced astronomical observatories.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Steward Observatory Mirror Lab
Target entity description: The Steward Observatory Mirror Lab is a renowned University of Arizona facility that designs and fabricates giant, high-precision telescope mirrors for some of the world’s most advanced astronomical observatories.
  • A. Steward Observatory chosen
    Steward Observatory is the University of Arizona’s renowned astronomy research center, known for its contributions to optical and infrared astronomy and the development of advanced telescope facilities.
  • B. Mount Lemmon Observatory
    Mount Lemmon Observatory is an astronomical research and public outreach facility located near the summit of Mount Lemmon in Arizona, known for its optical telescopes and sky surveys.
  • C. Kitt Peak National Observatory
    Kitt Peak National Observatory is a major astronomical research facility in Arizona that hosts numerous telescopes used for studying the universe and discovering celestial objects.
  • D. 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.
  • E. 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.
  • 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_69c00872444c8190bfaf1739dcec765c completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04f13d9908190a11d9bef8652db93 completed March 22, 2026, 8:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c10895559081908b9efdd32ecef37f completed March 23, 2026, 9:32 a.m.
NEDg Description generation batch_69c10b7467e88190955014bc060b20e4 completed March 23, 2026, 9:44 a.m.
NED2 Entity disambiguation (via description) batch_69c10c0a001c81908e3ca53e9491ff9a completed March 23, 2026, 9:46 a.m.
Created at: March 22, 2026, 4:06 p.m.