Triple

T4411104
Position Surface form Disambiguated ID Type / Status
Subject W. M. Keck Observatory E94854 entity
Predicate hasInstrument P35 FINISHED
Object DEIMOS spectrograph
The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
E439491 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: DEIMOS spectrograph | Statement: [W. M. Keck Observatory, hasInstrument, DEIMOS spectrograph]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: DEIMOS spectrograph
Context triple: [W. M. Keck Observatory, hasInstrument, DEIMOS spectrograph]
  • A. OSIRIS spectrograph
    The OSIRIS spectrograph is a near-infrared integral field spectrograph and imager used on large telescopes to obtain detailed spatial and spectral information from astronomical objects.
  • B. 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.
  • C. GNIRS (Gemini Near-Infrared Spectrograph)
    GNIRS (Gemini Near-Infrared Spectrograph) is a high-resolution near-infrared spectrograph used on the Gemini North telescope to study the composition, kinematics, and physical conditions of astronomical objects.
  • D. GMOS-S (Gemini Multi-Object Spectrograph South)
    GMOS-S (Gemini Multi-Object Spectrograph South) is a versatile optical spectrograph and imager designed for multi-object and long-slit spectroscopy on the Gemini South telescope, enabling detailed studies of faint and distant astronomical sources.
  • E. Faint Object Spectrograph
    The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
  • 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: DEIMOS spectrograph
Triple: [W. M. Keck Observatory, hasInstrument, DEIMOS spectrograph]
Generated description
The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: DEIMOS spectrograph
Target entity description: The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
  • A. OSIRIS spectrograph
    The OSIRIS spectrograph is a near-infrared integral field spectrograph and imager used on large telescopes to obtain detailed spatial and spectral information from astronomical objects.
  • B. 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.
  • C. GNIRS (Gemini Near-Infrared Spectrograph)
    GNIRS (Gemini Near-Infrared Spectrograph) is a high-resolution near-infrared spectrograph used on the Gemini North telescope to study the composition, kinematics, and physical conditions of astronomical objects.
  • D. GMOS-S (Gemini Multi-Object Spectrograph South)
    GMOS-S (Gemini Multi-Object Spectrograph South) is a versatile optical spectrograph and imager designed for multi-object and long-slit spectroscopy on the Gemini South telescope, enabling detailed studies of faint and distant astronomical sources.
  • E. Faint Object Spectrograph
    The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
  • 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_69b34539638c8190abfea3eb29425210 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b354e4c58c8190b4190aad3095a1dd completed March 13, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69b6136465c48190a5bdab81fe1438c4 completed March 15, 2026, 2:03 a.m.
NEDg Description generation batch_69b614371b2081909fabb88f2993dd29 completed March 15, 2026, 2:06 a.m.
NED2 Entity disambiguation (via description) batch_69b6155a57c08190bbf2e88f95cede16 completed March 15, 2026, 2:11 a.m.
Created at: March 12, 2026, 11:29 p.m.