Triple

T1588598
Position Surface form Disambiguated ID Type / Status
Subject Smithsonian Astrophysical Observatory E34123 entity
Predicate operates P24 FINISHED
Object Chandra X-ray Center
The Chandra X-ray Center is the science and operations hub that manages, supports, and distributes data for NASA’s Chandra X-ray Observatory, one of the flagship space telescopes for high-energy astrophysics.
E182700 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 X-ray Center | Statement: [Smithsonian Astrophysical Observatory, operates, Chandra X-ray Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chandra X-ray Center
Context triple: [Smithsonian Astrophysical Observatory, operates, Chandra X-ray Center]
  • A. Smithsonian Astrophysical Observatory
    The Smithsonian Astrophysical Observatory is a major research institution dedicated to the study of astronomy and astrophysics, known for its work in observational astronomy, space science, and collaboration with the Harvard College Observatory.
  • B. Space Telescope Science Institute
    The Space Telescope Science Institute is a research and operations center that manages the science and mission planning for major space observatories, including NASA’s Hubble Space Telescope and the James Webb Space Telescope.
  • C. Carnegie Observatories
    Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
  • D. Chandra X-ray Observatory
    The Chandra X-ray Observatory is a space-based telescope that observes high-energy X-ray emissions from hot regions of the universe, such as exploded stars, galaxy clusters, and matter around black holes.
  • E. Kavli Institute for Astrophysics and Space Research
    The Kavli Institute for Astrophysics and Space Research is a leading MIT-based research center focused on observational and theoretical studies of the universe, including space-based astronomy and cosmology.
  • 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 X-ray Center
Triple: [Smithsonian Astrophysical Observatory, operates, Chandra X-ray Center]
Generated description
The Chandra X-ray Center is the science and operations hub that manages, supports, and distributes data for NASA’s Chandra X-ray Observatory, one of the flagship space telescopes for high-energy astrophysics.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chandra X-ray Center
Target entity description: The Chandra X-ray Center is the science and operations hub that manages, supports, and distributes data for NASA’s Chandra X-ray Observatory, one of the flagship space telescopes for high-energy astrophysics.
  • A. Smithsonian Astrophysical Observatory
    The Smithsonian Astrophysical Observatory is a major research institution dedicated to the study of astronomy and astrophysics, known for its work in observational astronomy, space science, and collaboration with the Harvard College Observatory.
  • B. Space Telescope Science Institute
    The Space Telescope Science Institute is a research and operations center that manages the science and mission planning for major space observatories, including NASA’s Hubble Space Telescope and the James Webb Space Telescope.
  • C. Carnegie Observatories
    Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
  • D. Chandra X-ray Observatory
    The Chandra X-ray Observatory is a space-based telescope that observes high-energy X-ray emissions from hot regions of the universe, such as exploded stars, galaxy clusters, and matter around black holes.
  • E. Kavli Institute for Astrophysics and Space Research
    The Kavli Institute for Astrophysics and Space Research is a leading MIT-based research center focused on observational and theoretical studies of the universe, including space-based astronomy and cosmology.
  • 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_69a885fceb2c8190b47e0f7c0aefbff0 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9090c8e488190aa25893c5ef0fe22 completed March 5, 2026, 4:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad51b5d6f48190baac5d3d6fe13206 completed March 8, 2026, 10:38 a.m.
NEDg Description generation batch_69ad523ae04c819099431e09cf1eb953 completed March 8, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69ad52b3dcf081909e73fba891e985b2 completed March 8, 2026, 10:43 a.m.
Created at: March 4, 2026, 7:27 p.m.