Triple

T607204
Position Surface form Disambiguated ID Type / Status
Subject Cerro Tololo Inter-American Observatory E12020 entity
Predicate hostsTelescope P17037 FINISHED
Object Víctor M. Blanco 4-meter Telescope
The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
E78445 NE FINISHED

How this triple was built (5 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: Víctor M. Blanco 4-meter Telescope | Statement: [Cerro Tololo Inter-American Observatory, hostsTelescope, Víctor M. Blanco 4-meter Telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Víctor M. Blanco 4-meter Telescope
Context triple: [Cerro Tololo Inter-American Observatory, hostsTelescope, Víctor M. Blanco 4-meter Telescope]
  • A. 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.
  • B. Magellan Clay Telescope
    The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
  • C. du Pont Telescope
    The du Pont Telescope is a 2.5-meter optical telescope at Chile’s Las Campanas Observatory used for a wide range of astronomical imaging and spectroscopic research.
  • D. ESO 3.6 m Telescope
    The ESO 3.6 m Telescope is a major optical telescope operated by the European Southern Observatory in Chile, known for hosting the HARPS spectrograph used in exoplanet discovery.
  • E. Vera C. Rubin Observatory
    The Vera C. Rubin Observatory is a next-generation astronomical facility in Chile designed to conduct the Legacy Survey of Space and Time, producing an unprecedented, deep, wide, and fast imaging survey of the night 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: Víctor M. Blanco 4-meter Telescope
Triple: [Cerro Tololo Inter-American Observatory, hostsTelescope, Víctor M. Blanco 4-meter Telescope]
Generated description
The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Víctor M. Blanco 4-meter Telescope
Target entity description: The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
  • A. 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.
  • B. Magellan Clay Telescope
    The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
  • C. du Pont Telescope
    The du Pont Telescope is a 2.5-meter optical telescope at Chile’s Las Campanas Observatory used for a wide range of astronomical imaging and spectroscopic research.
  • D. ESO 3.6 m Telescope
    The ESO 3.6 m Telescope is a major optical telescope operated by the European Southern Observatory in Chile, known for hosting the HARPS spectrograph used in exoplanet discovery.
  • E. Vera C. Rubin Observatory
    The Vera C. Rubin Observatory is a next-generation astronomical facility in Chile designed to conduct the Legacy Survey of Space and Time, producing an unprecedented, deep, wide, and fast imaging survey of the night sky.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hostsTelescope
Context triple: [Cerro Tololo Inter-American Observatory, hostsTelescope, Víctor M. Blanco 4-meter Telescope]
  • A. hostsCompany
    Indicates that one entity provides space, infrastructure, or support for a company to operate, be located, or hold activities.
  • B. hostsEvent
    Indicates that an entity organizes and provides the venue or setting for an event to take place.
  • C. hostsIndustry
    Indicates that one entity provides the venue, infrastructure, or environment in which a particular industry operates or is based.
  • D. coachAway
    Indicates that one entity serves as the coach of a team or individual in an away (non-home) context or location.
  • E. tourAccess
    Indicates that an entity is permitted to participate in, enter, or make use of a specific tour.
  • F. None of above. chosen

Provenance (7 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_69a49df34abc8190a578c8c2ab3d28e4 completed March 1, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a566ff095081909a897d3001955514 completed March 2, 2026, 10:31 a.m.
NEDg Description generation batch_69a567fa633881909a18c4530c3342e8 completed March 2, 2026, 10:35 a.m.
NED2 Entity disambiguation (via description) batch_69a5687af6f48190af5a5424ca7da9c8 completed March 2, 2026, 10:37 a.m.
PD Predicate disambiguation batch_69a49cf8fc1c81908a9c7df552aa1a59 completed March 1, 2026, 8:09 p.m.
PDg Predicate description generation batch_69a49def31ec81909dc53e70f4a36eda completed March 1, 2026, 8:13 p.m.
Created at: March 1, 2026, 7:35 p.m.