Triple

T15695463
Position Surface form Disambiguated ID Type / Status
Subject DECam Legacy Survey E380449 entity
Predicate observatory P7236 FINISHED
Object Cerro Tololo Inter-American Observatory E12020 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: Cerro Tololo Inter-American Observatory | Statement: [DECam Legacy Survey, observatory, Cerro Tololo Inter-American Observatory]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cerro Tololo Inter-American Observatory
Context triple: [DECam Legacy Survey, observatory, Cerro Tololo Inter-American Observatory]
  • A. Cerro Tololo Inter-American Observatory chosen
    Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
  • B. Gemini Observatory
    Gemini Observatory is an international astronomical research facility operating twin 8.1-meter telescopes in Hawaii and Chile to provide comprehensive coverage of both the northern and southern skies.
  • C. Kitt Peak National Observatory
    Kitt Peak National Observatory is a major astronomical research facility in Arizona that hosts numerous telescopes used for studying the universe and discovering celestial objects.
  • D. W. M. Keck Observatory
    W. M. Keck Observatory is a world-leading astronomical research facility in Hawaii that operates two of the largest optical and infrared telescopes on Earth.
  • E. National Optical Astronomy Observatory
    The National Optical Astronomy Observatory was a U.S. national research center that operated major ground-based optical and infrared telescopes and facilities for the astronomical community.
  • 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_69d86d99e860819094b6957cde470f2c completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e04f50ce848190a839c4fb7306d793 completed April 16, 2026, 2:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff6eed9a8c8190a57ffce61a27ec17 completed May 9, 2026, 5:29 p.m.
Created at: April 10, 2026, 4:44 a.m.