Triple

T1153314
Position Surface form Disambiguated ID Type / Status
Subject University of Arizona E23725 entity
Predicate hasResearchCenter P40 FINISHED
Object 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.
 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 | Statement: [University of Arizona, hasResearchCenter, Steward Observatory]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Steward Observatory
Context triple: [University of Arizona, hasResearchCenter, Steward Observatory]
  • A. Lowell Observatory
    Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
  • B. Yerkes Observatory
    Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
  • C. Palomar Observatory
    Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of 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. Mount Wilson Observatory
    Mount Wilson Observatory is a historic astronomical observatory in California renowned for its early 20th-century telescopes and pioneering contributions to stellar and galactic astronomy.
  • 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
Triple: [University of Arizona, hasResearchCenter, Steward Observatory]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Steward Observatory
Target entity description: 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.
  • A. Lowell Observatory
    Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
  • B. Yerkes Observatory
    Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
  • C. Palomar Observatory
    Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of 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. Mount Wilson Observatory
    Mount Wilson Observatory is a historic astronomical observatory in California renowned for its early 20th-century telescopes and pioneering contributions to stellar and galactic astronomy.
  • 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_69a493f0d32c8190ac74bad3c87f2641 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bc8e9cb481908a528a828b21d497 completed March 1, 2026, 10:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac667a61248190b71033daadef58e3 completed March 7, 2026, 5:55 p.m.
NEDg Description generation batch_69ac66e3fecc81908638052a417ce4ab completed March 7, 2026, 5:56 p.m.
NED2 Entity disambiguation (via description) batch_69ac67ab1ab48190b857bd473e741417 completed March 7, 2026, 6 p.m.
Created at: March 1, 2026, 7:44 p.m.