Triple

T3573949
Position Surface form Disambiguated ID Type / Status
Subject FEROS spectrograph E75641 entity
Predicate telescopeMountedOn P50657 FINISHED
Object ESO 1.52-metre telescope
The ESO 1.52-metre telescope is a mid-sized optical telescope at the La Silla Observatory in Chile, used for a variety of astronomical observations and instrumental projects.
E372789 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: ESO 1.52-metre telescope | Statement: [FEROS spectrograph, telescopeMountedOn, ESO 1.52-metre telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: ESO 1.52-metre telescope
Context triple: [FEROS spectrograph, telescopeMountedOn, ESO 1.52-metre telescope]
  • A. 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.
  • B. VLT Survey Telescope
    The VLT Survey Telescope is a wide-field optical survey telescope in Chile designed to conduct large-scale imaging of the southern sky for the European Southern Observatory.
  • C. ESO La Silla Paranal Observatory
    ESO La Silla Paranal Observatory is a major European Southern Observatory facility in Chile that operates several world-class optical and infrared telescopes, including those at La Silla and Paranal.
  • D. Very Large Telescope
    The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
  • E. 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.
  • 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: ESO 1.52-metre telescope
Triple: [FEROS spectrograph, telescopeMountedOn, ESO 1.52-metre telescope]
Generated description
The ESO 1.52-metre telescope is a mid-sized optical telescope at the La Silla Observatory in Chile, used for a variety of astronomical observations and instrumental projects.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: ESO 1.52-metre telescope
Target entity description: The ESO 1.52-metre telescope is a mid-sized optical telescope at the La Silla Observatory in Chile, used for a variety of astronomical observations and instrumental projects.
  • A. 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.
  • B. VLT Survey Telescope
    The VLT Survey Telescope is a wide-field optical survey telescope in Chile designed to conduct large-scale imaging of the southern sky for the European Southern Observatory.
  • C. ESO La Silla Paranal Observatory
    ESO La Silla Paranal Observatory is a major European Southern Observatory facility in Chile that operates several world-class optical and infrared telescopes, including those at La Silla and Paranal.
  • D. Very Large Telescope
    The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: telescopeMountedOn
Context triple: [FEROS spectrograph, telescopeMountedOn, ESO 1.52-metre telescope]
  • A. telescopeLocation
    Indicates the physical place or site where a telescope is situated or installed.
  • B. telescopeUsed
    Indicates that a particular telescope was employed or utilized to perform an observation or related activity.
  • C. telescopeType
    Indicates the specific kind or category of telescope associated with an entity.
  • D. observatory
    Indicates a relationship where a facility or structure is used to observe, monitor, or study objects or phenomena, typically in astronomy or atmospheric science.
  • E. observatoryType
    Indicates the specific kind or category of observatory associated with an entity.
  • 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_69ad85d5e3008190bdfe0bacdd1f5a1b completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc0d928f08190830347b3b032178a completed March 8, 2026, 6:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69b43301c2d8819089ee18732c1df29d completed March 13, 2026, 3:53 p.m.
NEDg Description generation batch_69b434ffe8288190b367ac19d05279aa completed March 13, 2026, 4:02 p.m.
NED2 Entity disambiguation (via description) batch_69b435556710819084f0e171b00a4f15 completed March 13, 2026, 4:03 p.m.
PD Predicate disambiguation batch_69adb8364d848190a96a9bc7a6126af2 completed March 8, 2026, 5:56 p.m.
PDg Predicate description generation batch_69adba25c66c81909a05a97327828c41 completed March 8, 2026, 6:04 p.m.
Created at: March 8, 2026, 3:21 p.m.