Triple

T20002535
Position Surface form Disambiguated ID Type / Status
Subject Cerro Calán E494368 entity
Predicate hasFacility P105 FINISHED
Object National Astronomical Observatory of Chile (facilities)
The National Astronomical Observatory of Chile (facilities) is a major Chilean astronomical research complex that hosts telescopes and related infrastructure used for professional observations and academic training.
E1406449 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: National Astronomical Observatory of Chile (facilities) | Statement: [Cerro Calán, hasFacility, National Astronomical Observatory of Chile (facilities)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: National Astronomical Observatory of Chile (facilities)
Context triple: [Cerro Calán, hasFacility, National Astronomical Observatory of Chile (facilities)]
  • A. CTIO
    CTIO is a major astronomical observatory complex in Chile known for its optical and infrared telescopes used in cutting-edge research on the southern sky.
  • 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. Cerro Pachón Observatory site
    Cerro Pachón Observatory site is a major astronomical complex in Chile’s Andes that hosts multiple world-class telescopes used for cutting-edge optical and infrared observations.
  • D. Paranal Observatory
    Paranal Observatory is a major astronomical research facility in Chile’s Atacama Desert that hosts the European Southern Observatory’s Very Large Telescope array.
  • E. 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.
  • 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: National Astronomical Observatory of Chile (facilities)
Triple: [Cerro Calán, hasFacility, National Astronomical Observatory of Chile (facilities)]
Generated description
The National Astronomical Observatory of Chile (facilities) is a major Chilean astronomical research complex that hosts telescopes and related infrastructure used for professional observations and academic training.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: National Astronomical Observatory of Chile (facilities)
Target entity description: The National Astronomical Observatory of Chile (facilities) is a major Chilean astronomical research complex that hosts telescopes and related infrastructure used for professional observations and academic training.
  • A. CTIO
    CTIO is a major astronomical observatory complex in Chile known for its optical and infrared telescopes used in cutting-edge research on the southern sky.
  • 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. Cerro Pachón Observatory site
    Cerro Pachón Observatory site is a major astronomical complex in Chile’s Andes that hosts multiple world-class telescopes used for cutting-edge optical and infrared observations.
  • D. Paranal Observatory
    Paranal Observatory is a major astronomical research facility in Chile’s Atacama Desert that hosts the European Southern Observatory’s Very Large Telescope array.
  • E. 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.
  • 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_69da626b2d748190886981ea90c8b2ea completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e661a2e34481908a495cc5d077c41f completed April 20, 2026, 5:25 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08050bb1fc81908b9ce173babdd256 completed May 16, 2026, 5:47 a.m.
NEDg Description generation batch_6a08095e44b48190b0528932c5c5fa62 completed May 16, 2026, 6:06 a.m.
NED2 Entity disambiguation (via description) batch_6a080acea27c8190832bde1cd1a2bcbd completed May 16, 2026, 6:12 a.m.
Created at: April 11, 2026, 3:33 p.m.