Triple

T7869412
Position Surface form Disambiguated ID Type / Status
Subject Chandra X-ray Center E182700 entity
Predicate operates P24 FINISHED
Object Chandra Data Archive E79624 NE FINISHED

How this triple was built (2 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 Data Archive | Statement: [Chandra X-ray Center, operates, Chandra Data Archive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chandra Data Archive
Context triple: [Chandra X-ray Center, operates, Chandra Data Archive]
  • A. Smithsonian Astrophysical Observatory Telescope Data Center
    The Smithsonian Astrophysical Observatory Telescope Data Center is a specialized facility that archives, processes, and distributes astronomical data from ground- and space-based telescopes for the astrophysics research community.
  • B. High Energy Astrophysics Science Archive Research Center chosen
    The High Energy Astrophysics Science Archive Research Center (HEASARC) is NASA’s primary archive for high-energy astrophysics data, providing access to and tools for analyzing observations from X-ray and gamma-ray space missions.
  • C. 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.
  • 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. NASA/IPAC Infrared Science Archive
    The NASA/IPAC Infrared Science Archive is a major astronomical data center that provides access to and tools for analyzing infrared and related multiwavelength observations from numerous space- and ground-based missions.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82894d9081908a832bfce71a4714 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3848d6d88190830afcf04ad12154 completed March 31, 2026, 2:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69cb5b60b3b08190832837bacb8ce965 completed March 31, 2026, 5:28 a.m.
Created at: March 30, 2026, 4:55 p.m.