Triple

T20465770

Position	Surface form	Disambiguated ID	Type / Status
Subject	LDSS-2	`E502043`	entity
Predicate	fullName	`P16`	FINISHED
Object	Low Dispersion Survey Spectrograph 2 Low Dispersion Survey Spectrograph 2 is an astronomical instrument designed to obtain low-resolution spectra of many celestial objects simultaneously, typically used on large optical telescopes for wide-field spectroscopic surveys.	`E1433060`	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: Low Dispersion Survey Spectrograph 2 | Statement: [LDSS-2, fullName, Low Dispersion Survey Spectrograph 2]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Low Dispersion Survey Spectrograph 2
Context triple: [LDSS-2, fullName, Low Dispersion Survey Spectrograph 2]

A. Low Dispersion Survey Spectrograph 3
Low Dispersion Survey Spectrograph 3 is an astronomical instrument used on large telescopes to obtain low-resolution spectra of many celestial objects simultaneously for survey and follow-up observations.
B. 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.
C. DEIMOS spectrograph
The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
D. Coudé Echelle Spectrometer
Coudé Echelle Spectrometer is a high-resolution astronomical spectrograph designed for detailed analysis of stellar and other celestial spectra, typically fed by a telescope’s coudé focus.
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: Low Dispersion Survey Spectrograph 2
Triple: [LDSS-2, fullName, Low Dispersion Survey Spectrograph 2]

Generated description

Low Dispersion Survey Spectrograph 2 is an astronomical instrument designed to obtain low-resolution spectra of many celestial objects simultaneously, typically used on large optical telescopes for wide-field spectroscopic surveys.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Low Dispersion Survey Spectrograph 2
Target entity description: Low Dispersion Survey Spectrograph 2 is an astronomical instrument designed to obtain low-resolution spectra of many celestial objects simultaneously, typically used on large optical telescopes for wide-field spectroscopic surveys.

A. Low Dispersion Survey Spectrograph 3
Low Dispersion Survey Spectrograph 3 is an astronomical instrument used on large telescopes to obtain low-resolution spectra of many celestial objects simultaneously for survey and follow-up observations.
B. 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.
C. DEIMOS spectrograph
The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
D. Coudé Echelle Spectrometer
Coudé Echelle Spectrometer is a high-resolution astronomical spectrograph designed for detailed analysis of stellar and other celestial spectra, typically fed by a telescope’s coudé focus.
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_69e0b4ae5f1081908768b0c9a3a0bf38`	completed	April 16, 2026, 10:06 a.m.
NER	Named-entity recognition	`batch_69e696aa0794819082c9989b1f7e9f37`	completed	April 20, 2026, 9:12 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a088b188f208190a8cb7850c209f0de`	completed	May 16, 2026, 3:19 p.m.
NEDg	Description generation	`batch_6a088c8a61cc8190a6c1d4e09257ddfe`	completed	May 16, 2026, 3:26 p.m.
NED2	Entity disambiguation (via description)	`batch_6a088cf2bb688190b407b12013dd4aa0`	completed	May 16, 2026, 3:27 p.m.

Created at: April 16, 2026, 11:33 a.m.