Triple

T8178603
Position Surface form Disambiguated ID Type / Status
Subject Lick Observatory E191002 entity
Predicate hasInstrument P35 FINISHED
Object Kast double spectrograph
The Kast double spectrograph is an astronomical instrument used at Lick Observatory to obtain detailed spectra of celestial objects across two wavelength ranges simultaneously.
 E716454 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: Kast double spectrograph | Statement: [Lick Observatory, hasInstrument, Kast double spectrograph]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kast double spectrograph
Context triple: [Lick Observatory, hasInstrument, Kast double spectrograph]
  • A. Boller and Chivens spectrograph
    The Boller and Chivens spectrograph is an astronomical instrument designed for dispersing and analyzing light from celestial objects to study their physical and chemical properties.
  • B. SpeX spectrograph
    The SpeX spectrograph is a near-infrared spectrograph and imager used for astronomical observations, particularly of planets, stars, and small bodies in the solar system.
  • C. Goddard High Resolution Spectrograph
    The Goddard High Resolution Spectrograph was a highly sensitive ultraviolet spectrograph aboard the Hubble Space Telescope used to study the composition, temperature, and motion of astronomical objects.
  • D. iSHELL spectrograph
    The iSHELL spectrograph is a high-resolution infrared spectrograph used for detailed astronomical observations, such as studying planetary atmospheres and small bodies in the solar system.
  • E. Grille spectrometer
    The Grille spectrometer is a spaceborne infrared spectrometer designed to study the composition and structure of planetary and Earth atmospheres by analyzing their emitted and absorbed radiation.
  • 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: Kast double spectrograph
Triple: [Lick Observatory, hasInstrument, Kast double spectrograph]
Generated description
The Kast double spectrograph is an astronomical instrument used at Lick Observatory to obtain detailed spectra of celestial objects across two wavelength ranges simultaneously.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kast double spectrograph
Target entity description: The Kast double spectrograph is an astronomical instrument used at Lick Observatory to obtain detailed spectra of celestial objects across two wavelength ranges simultaneously.
  • A. Boller and Chivens spectrograph
    The Boller and Chivens spectrograph is an astronomical instrument designed for dispersing and analyzing light from celestial objects to study their physical and chemical properties.
  • B. SpeX spectrograph
    The SpeX spectrograph is a near-infrared spectrograph and imager used for astronomical observations, particularly of planets, stars, and small bodies in the solar system.
  • C. Goddard High Resolution Spectrograph
    The Goddard High Resolution Spectrograph was a highly sensitive ultraviolet spectrograph aboard the Hubble Space Telescope used to study the composition, temperature, and motion of astronomical objects.
  • D. iSHELL spectrograph
    The iSHELL spectrograph is a high-resolution infrared spectrograph used for detailed astronomical observations, such as studying planetary atmospheres and small bodies in the solar system.
  • E. Grille spectrometer
    The Grille spectrometer is a spaceborne infrared spectrometer designed to study the composition and structure of planetary and Earth atmospheres by analyzing their emitted and absorbed radiation.
  • 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_69ca82c4538081909404325aa5639483 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4abb66bc81908d758c7af2e23ac6 completed March 31, 2026, 4:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69ccbf7f02d08190a6cedc37b64a0d9e completed April 1, 2026, 6:47 a.m.
NEDg Description generation batch_69ccc313ba7c81909b9ee65b37ed165e completed April 1, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_69ccd85aa2888190bd167148b21a3f93 completed April 1, 2026, 8:33 a.m.
Created at: March 30, 2026, 5:40 p.m.