Triple

T15838978
Position Surface form Disambiguated ID Type / Status
Subject ACIS E384052 entity
Predicate usedWith P4791 FINISHED
Object Chandra High Resolution Mirror Assembly
The Chandra High Resolution Mirror Assembly is the precision X-ray telescope optics system on NASA’s Chandra X-ray Observatory, designed to focus high-energy X-rays with exceptionally fine angular resolution for astrophysical observations.
E1179655 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: Chandra High Resolution Mirror Assembly | Statement: [ACIS, usedWith, Chandra High Resolution Mirror Assembly]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chandra High Resolution Mirror Assembly
Context triple: [ACIS, usedWith, Chandra High Resolution Mirror Assembly]
  • A. Hubble Space Telescope Optical Telescope Assembly
    The Hubble Space Telescope Optical Telescope Assembly is the primary optical system of the Hubble observatory, responsible for collecting and focusing light onto its scientific instruments to enable high-resolution observations of the universe.
  • B. Hubble Space Telescope optical bench
    The Hubble Space Telescope optical bench is a rigid, precisely aligned structural platform inside the telescope that supports and stabilizes its scientific instruments to ensure accurate imaging and observations.
  • C. Corrective Optics Space Telescope Axial Replacement (COSTAR)
    Corrective Optics Space Telescope Axial Replacement (COSTAR) was a set of corrective mirrors installed on the Hubble Space Telescope to compensate for its flawed primary mirror and restore its intended imaging performance.
  • D. JWST Optical Telescope Element
    The JWST Optical Telescope Element is the primary mirror and supporting structure of the James Webb Space Telescope that collects and focuses infrared light for its scientific instruments.
  • E. Chandra’s Surface Thermophysical Experiment
    Chandra’s Surface Thermophysical Experiment is a scientific instrument on India’s Chandrayaan-2 lunar mission designed to study the Moon’s surface temperature and thermal 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: Chandra High Resolution Mirror Assembly
Triple: [ACIS, usedWith, Chandra High Resolution Mirror Assembly]
Generated description
The Chandra High Resolution Mirror Assembly is the precision X-ray telescope optics system on NASA’s Chandra X-ray Observatory, designed to focus high-energy X-rays with exceptionally fine angular resolution for astrophysical observations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chandra High Resolution Mirror Assembly
Target entity description: The Chandra High Resolution Mirror Assembly is the precision X-ray telescope optics system on NASA’s Chandra X-ray Observatory, designed to focus high-energy X-rays with exceptionally fine angular resolution for astrophysical observations.
  • A. Hubble Space Telescope Optical Telescope Assembly
    The Hubble Space Telescope Optical Telescope Assembly is the primary optical system of the Hubble observatory, responsible for collecting and focusing light onto its scientific instruments to enable high-resolution observations of the universe.
  • B. Hubble Space Telescope optical bench
    The Hubble Space Telescope optical bench is a rigid, precisely aligned structural platform inside the telescope that supports and stabilizes its scientific instruments to ensure accurate imaging and observations.
  • C. Corrective Optics Space Telescope Axial Replacement (COSTAR)
    Corrective Optics Space Telescope Axial Replacement (COSTAR) was a set of corrective mirrors installed on the Hubble Space Telescope to compensate for its flawed primary mirror and restore its intended imaging performance.
  • D. JWST Optical Telescope Element
    The JWST Optical Telescope Element is the primary mirror and supporting structure of the James Webb Space Telescope that collects and focuses infrared light for its scientific instruments.
  • E. Chandra’s Surface Thermophysical Experiment
    Chandra’s Surface Thermophysical Experiment is a scientific instrument on India’s Chandrayaan-2 lunar mission designed to study the Moon’s surface temperature and thermal 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_69d86da34c888190976e06c4019d415a completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e142e4fa24819086a1a226082ac2d3 completed April 16, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa13c931481908ed9fd10fddd867c completed May 9, 2026, 9:03 p.m.
NEDg Description generation batch_69ffa419c6dc81908c9678f8434530f8 completed May 9, 2026, 9:16 p.m.
NED2 Entity disambiguation (via description) batch_69ffa4cff5088190a7f11fd62941f4fb completed May 9, 2026, 9:19 p.m.
Created at: April 10, 2026, 4:49 a.m.