Triple

T10903176
Position Surface form Disambiguated ID Type / Status
Subject William Henry Pickering E257498 entity
Predicate workLocation P7 FINISHED
Object Arequipa Observatory, Peru
Arequipa Observatory in Peru was a late-19th-century astronomical observatory used by Harvard College Observatory, notably by William Henry Pickering, for pioneering photographic studies of the southern sky.
 E891889 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: Arequipa Observatory, Peru | Statement: [William Henry Pickering, workLocation, Arequipa Observatory, Peru]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arequipa Observatory, Peru
Context triple: [William Henry Pickering, workLocation, Arequipa Observatory, Peru]
  • A. Francisco José de Caldas Observatory (Bogotá Astronomical Observatory)
    The Francisco José de Caldas Observatory, also known as the Bogotá Astronomical Observatory, is a historic scientific institution in Bogotá dedicated to astronomical research and education.
  • B. La Silla Observatory
    La Silla Observatory is a major European Southern Observatory (ESO) facility in Chile known for its high-altitude optical telescopes that have contributed significantly to exoplanet and stellar research.
  • C. Las Campanas Observatory
    Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
  • D. Pangue Observatory
    Pangue Observatory is a small, privately run astronomical observatory in Chile’s Elqui Valley, known for its exceptionally clear skies and public stargazing tours.
  • E. Calar Alto Observatory
    Calar Alto Observatory is a major astronomical observatory in southern Spain known for its large optical and infrared telescopes and international research collaborations.
  • 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: Arequipa Observatory, Peru
Triple: [William Henry Pickering, workLocation, Arequipa Observatory, Peru]
Generated description
Arequipa Observatory in Peru was a late-19th-century astronomical observatory used by Harvard College Observatory, notably by William Henry Pickering, for pioneering photographic studies of the southern sky.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Arequipa Observatory, Peru
Target entity description: Arequipa Observatory in Peru was a late-19th-century astronomical observatory used by Harvard College Observatory, notably by William Henry Pickering, for pioneering photographic studies of the southern sky.
  • A. Francisco José de Caldas Observatory (Bogotá Astronomical Observatory)
    The Francisco José de Caldas Observatory, also known as the Bogotá Astronomical Observatory, is a historic scientific institution in Bogotá dedicated to astronomical research and education.
  • B. La Silla Observatory
    La Silla Observatory is a major European Southern Observatory (ESO) facility in Chile known for its high-altitude optical telescopes that have contributed significantly to exoplanet and stellar research.
  • C. Las Campanas Observatory
    Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
  • D. Pangue Observatory
    Pangue Observatory is a small, privately run astronomical observatory in Chile’s Elqui Valley, known for its exceptionally clear skies and public stargazing tours.
  • E. Calar Alto Observatory
    Calar Alto Observatory is a major astronomical observatory in southern Spain known for its large optical and infrared telescopes and international research collaborations.
  • 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_69d6aa8550c8819095508a2ed9acf3db completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d761a4e9d48190b107839761a2152b completed April 9, 2026, 8:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69e1553bb88c8190b9730a31977e1dd1 completed April 16, 2026, 9:31 p.m.
NEDg Description generation batch_69e175e336848190b2c7226524266efa completed April 16, 2026, 11:50 p.m.
NED2 Entity disambiguation (via description) batch_69e17d46b7b881908bc3246b462f4612 completed April 17, 2026, 12:22 a.m.
Created at: April 8, 2026, 9:22 p.m.