Triple

T15598580
Position Surface form Disambiguated ID Type / Status
Subject Dark Energy Spectroscopic Instrument E374970 entity
Predicate hostTelescope P17037 FINISHED
Object Nicholas U. Mayall Telescope
The Nicholas U. Mayall Telescope is a 4-meter-class optical telescope at Kitt Peak National Observatory in Arizona, widely used for large-scale astronomical surveys and cosmological research.
E1166540 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: Nicholas U. Mayall Telescope | Statement: [Dark Energy Spectroscopic Instrument, hostTelescope, Nicholas U. Mayall Telescope]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nicholas U. Mayall Telescope
Context triple: [Dark Energy Spectroscopic Instrument, hostTelescope, Nicholas U. Mayall Telescope]
  • A. Palomar 48-inch Schmidt Telescope
    The Palomar 48-inch Schmidt Telescope is a wide-field survey telescope at Palomar Observatory renowned for its major contributions to sky surveys and the discovery of numerous astronomical objects.
  • B. Palomar 60-inch Telescope
    The Palomar 60-inch Telescope is a 1.5-meter-class reflecting telescope at Palomar Observatory used primarily for optical imaging and time-domain astronomy.
  • C. 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.
  • D. Hale Telescope
    The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
  • E. 100-inch Hooker telescope
    The 100-inch Hooker telescope is a historic reflecting telescope at Mount Wilson Observatory, famous for Edwin Hubble’s observations that revealed the expanding universe and established galaxies beyond the Milky Way.
  • 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: Nicholas U. Mayall Telescope
Triple: [Dark Energy Spectroscopic Instrument, hostTelescope, Nicholas U. Mayall Telescope]
Generated description
The Nicholas U. Mayall Telescope is a 4-meter-class optical telescope at Kitt Peak National Observatory in Arizona, widely used for large-scale astronomical surveys and cosmological research.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nicholas U. Mayall Telescope
Target entity description: The Nicholas U. Mayall Telescope is a 4-meter-class optical telescope at Kitt Peak National Observatory in Arizona, widely used for large-scale astronomical surveys and cosmological research.
  • A. Palomar 48-inch Schmidt Telescope
    The Palomar 48-inch Schmidt Telescope is a wide-field survey telescope at Palomar Observatory renowned for its major contributions to sky surveys and the discovery of numerous astronomical objects.
  • B. Palomar 60-inch Telescope
    The Palomar 60-inch Telescope is a 1.5-meter-class reflecting telescope at Palomar Observatory used primarily for optical imaging and time-domain astronomy.
  • C. 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.
  • D. Hale Telescope
    The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
  • E. 100-inch Hooker telescope
    The 100-inch Hooker telescope is a historic reflecting telescope at Mount Wilson Observatory, famous for Edwin Hubble’s observations that revealed the expanding universe and established galaxies beyond the Milky Way.
  • 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_69d85cce25008190b13b52745fbd719b completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e609ab081909feb486a57439960 completed April 16, 2026, 2:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff56ccc40c8190a3b1339404e6897f completed May 9, 2026, 3:46 p.m.
NEDg Description generation batch_69ff581a25008190b7be08a93d798522 completed May 9, 2026, 3:51 p.m.
NED2 Entity disambiguation (via description) batch_69ff58ad35108190a0549d3d81e6851e completed May 9, 2026, 3:54 p.m.
Created at: April 10, 2026, 4:12 a.m.