Triple

T2984396
Position Surface form Disambiguated ID Type / Status
Subject CTIO E80586 entity
Predicate locatedOn P40 FINISHED
Object Cerro Tololo
Cerro Tololo is a mountain in the Chilean Andes that hosts major astronomical observatories and is a key site for international sky surveys.
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: [CTIO, locatedOn, Cerro Tololo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cerro Tololo
Context triple: [CTIO, 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. Hat Creek Radio Observatory
    Hat Creek Radio Observatory is a radio astronomy facility in Northern California known for hosting the Allen Telescope Array used in both astronomical and SETI research.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: [CTIO, locatedOn, Cerro Tololo]
Generated description
Cerro Tololo is a mountain in the Chilean Andes that hosts major astronomical observatories and is a key site for international sky surveys.
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 is a key site for international sky surveys.
  • 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. Hat Creek Radio Observatory
    Hat Creek Radio Observatory is a radio astronomy facility in Northern California known for hosting the Allen Telescope Array used in both astronomical and SETI research.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69ad8b15f6ac8190be5fd16a33edcb4f completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad99c65ad0819087bb4ae92ab0dc55 completed March 8, 2026, 3:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69b23592a4888190a78fcae60f4971dd completed March 12, 2026, 3:40 a.m.
NEDg Description generation batch_69b2395546948190bb9b972138324f2e completed March 12, 2026, 3:56 a.m.
NED2 Entity disambiguation (via description) batch_69b23d1fd35c819096f2dd6f26ea697d completed March 12, 2026, 4:12 a.m.
Created at: March 8, 2026, 2:59 p.m.