Triple

T20480024
Position Surface form Disambiguated ID Type / Status
Subject Anglo-Australian Telescope E502425 entity
Predicate instrument P792 FINISHED
Object 2dF multi-object spectrograph
The 2dF multi-object spectrograph is a wide-field astronomical instrument capable of simultaneously obtaining spectra for hundreds of objects, used primarily for large-scale galaxy and quasar redshift surveys.
E1432964 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: 2dF multi-object spectrograph | Statement: [Anglo-Australian Telescope, instrument, 2dF multi-object spectrograph]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 2dF multi-object spectrograph
Context triple: [Anglo-Australian Telescope, instrument, 2dF multi-object spectrograph]
  • A. Fiber Multi-Object Spectrograph
    Fiber Multi-Object Spectrograph is an astronomical instrument designed to simultaneously obtain spectra from many celestial objects using optical fibers.
  • B. Large Sky Area Multi-Object Fiber Spectroscopic Telescope
    The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) is a Chinese wide-field optical telescope designed to collect spectra from thousands of celestial objects simultaneously for large-scale sky surveys.
  • C. 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.
  • D. FOcal Reducer and low dispersion Spectrograph 2
    FOcal Reducer and low dispersion Spectrograph 2 (FORS2) is a versatile optical instrument on ESO’s Very Large Telescope used for imaging, polarimetry, and low-resolution spectroscopy of astronomical objects.
  • E. 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.
  • 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: 2dF multi-object spectrograph
Triple: [Anglo-Australian Telescope, instrument, 2dF multi-object spectrograph]
Generated description
The 2dF multi-object spectrograph is a wide-field astronomical instrument capable of simultaneously obtaining spectra for hundreds of objects, used primarily for large-scale galaxy and quasar redshift surveys.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 2dF multi-object spectrograph
Target entity description: The 2dF multi-object spectrograph is a wide-field astronomical instrument capable of simultaneously obtaining spectra for hundreds of objects, used primarily for large-scale galaxy and quasar redshift surveys.
  • A. Fiber Multi-Object Spectrograph
    Fiber Multi-Object Spectrograph is an astronomical instrument designed to simultaneously obtain spectra from many celestial objects using optical fibers.
  • B. Large Sky Area Multi-Object Fiber Spectroscopic Telescope
    The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) is a Chinese wide-field optical telescope designed to collect spectra from thousands of celestial objects simultaneously for large-scale sky surveys.
  • C. 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.
  • D. FOcal Reducer and low dispersion Spectrograph 2
    FOcal Reducer and low dispersion Spectrograph 2 (FORS2) is a versatile optical instrument on ESO’s Very Large Telescope used for imaging, polarimetry, and low-resolution spectroscopy of astronomical objects.
  • E. 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.
  • 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_69e0b4af32848190aea80682b44d5d6e completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e69b55d7a881909dfe3ea0e74b742b completed April 20, 2026, 9:32 p.m.
NED1 Entity disambiguation (via context triple) batch_6a088b25667081909e92bb990b7b4856 completed May 16, 2026, 3:20 p.m.
NEDg Description generation batch_6a088c58f6748190b9945d6bff0f4b8c completed May 16, 2026, 3:25 p.m.
NED2 Entity disambiguation (via description) batch_6a088cdecf04819097d6e934acc6c70f completed May 16, 2026, 3:27 p.m.
Created at: April 16, 2026, 11:34 a.m.