Triple

T4378604
Position Surface form Disambiguated ID Type / Status
Subject Canada–France–Hawaii Telescope E99069 entity
Predicate hasInstrument P35 FINISHED
Object MegaCam
MegaCam is a wide-field optical imaging camera used for deep-sky astronomical surveys on the Canada–France–Hawaii Telescope.
 E435727 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: MegaCam | Statement: [Canada–France–Hawaii Telescope, hasInstrument, MegaCam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MegaCam
Context triple: [Canada–France–Hawaii Telescope, hasInstrument, MegaCam]
  • A. LSST Camera
    The LSST Camera is a massive, wide-field digital camera designed to capture deep, high-resolution images of the night sky for the Vera C. Rubin Observatory’s decade-long sky survey.
  • B. Inamori Magellan Areal Camera and Spectrograph
    The Inamori Magellan Areal Camera and Spectrograph (IMACS) is a wide-field optical imaging and spectrographic instrument mounted on the Magellan telescopes, used for deep astronomical surveys and detailed spectroscopic studies.
  • C. Curtis Schmidt Telescope
    The Curtis Schmidt Telescope is a wide-field Schmidt telescope known for its photographic sky surveys and operation at the Cerro Tololo Inter-American Observatory in Chile.
  • D. 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.
  • E. VISTA telescope
    The VISTA telescope is a 4.1-meter wide-field survey telescope in Chile designed primarily for large-scale near-infrared sky surveys.
  • 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: MegaCam
Triple: [Canada–France–Hawaii Telescope, hasInstrument, MegaCam]
Generated description
MegaCam is a wide-field optical imaging camera used for deep-sky astronomical surveys on the Canada–France–Hawaii Telescope.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MegaCam
Target entity description: MegaCam is a wide-field optical imaging camera used for deep-sky astronomical surveys on the Canada–France–Hawaii Telescope.
  • A. LSST Camera
    The LSST Camera is a massive, wide-field digital camera designed to capture deep, high-resolution images of the night sky for the Vera C. Rubin Observatory’s decade-long sky survey.
  • B. Inamori Magellan Areal Camera and Spectrograph
    The Inamori Magellan Areal Camera and Spectrograph (IMACS) is a wide-field optical imaging and spectrographic instrument mounted on the Magellan telescopes, used for deep astronomical surveys and detailed spectroscopic studies.
  • C. Curtis Schmidt Telescope
    The Curtis Schmidt Telescope is a wide-field Schmidt telescope known for its photographic sky surveys and operation at the Cerro Tololo Inter-American Observatory in Chile.
  • D. 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.
  • E. VISTA telescope
    The VISTA telescope is a 4.1-meter wide-field survey telescope in Chile designed primarily for large-scale near-infrared sky surveys.
  • 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_69b3454ea8f48190a49c2436624d6ef6 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35240092c81908e26ff607d665e7a completed March 12, 2026, 11:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5e51c87908190a561513ec64a2d72 completed March 14, 2026, 10:45 p.m.
NEDg Description generation batch_69b5e72525248190bfe813f61355c19c completed March 14, 2026, 10:54 p.m.
NED2 Entity disambiguation (via description) batch_69b5e78e07388190b40e6d9817c44c9e completed March 14, 2026, 10:56 p.m.
Created at: March 12, 2026, 11:18 p.m.