Triple

T607193
Position Surface form Disambiguated ID Type / Status
Subject Cerro Tololo Inter-American Observatory E12020 entity
Predicate locatedOn P40 FINISHED
Object Cerro Tololo
Cerro Tololo is a mountain in the Chilean Andes that hosts major astronomical observatories and research facilities.
E12020 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: Cerro Tololo | Statement: [Cerro Tololo Inter-American Observatory, locatedOn, Cerro Tololo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cerro Tololo
Context triple: [Cerro Tololo Inter-American Observatory, locatedOn, Cerro Tololo]
  • A. Cerro Tololo Inter-American Observatory
    Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
  • 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. Owens Valley Radio Observatory
    Owens Valley Radio Observatory is a major radio astronomy facility in California used for observing celestial radio sources and conducting astrophysical research.
  • D. 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.
  • E. 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.
  • 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: Cerro Tololo
Triple: [Cerro Tololo Inter-American Observatory, locatedOn, Cerro Tololo]
Generated description
Cerro Tololo is a mountain in the Chilean Andes that hosts major astronomical observatories and research facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cerro Tololo
Target entity description: Cerro Tololo is a mountain in the Chilean Andes that hosts major astronomical observatories and research facilities.
  • A. Cerro Tololo Inter-American Observatory chosen
    Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
  • 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. Owens Valley Radio Observatory
    Owens Valley Radio Observatory is a major radio astronomy facility in California used for observing celestial radio sources and conducting astrophysical research.
  • D. 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.
  • E. 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.
  • 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_69a493309df48190a327f748e88049a6 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49dc9243881909a7a706797fe147f completed March 1, 2026, 8:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69a563c236108190a8784b6561ca8bca completed March 2, 2026, 10:17 a.m.
NEDg Description generation batch_69a5647f67008190b279703c49d2b231 completed March 2, 2026, 10:20 a.m.
NED2 Entity disambiguation (via description) batch_69a56509b9848190b88286ffb29df287 completed March 2, 2026, 10:23 a.m.
Created at: March 1, 2026, 7:35 p.m.