Triple

T15695492
Position Surface form Disambiguated ID Type / Status
Subject DECam Legacy Survey E380449 entity
Predicate skyCoverage P9990 FINISHED
Object Northern Galactic Cap
The Northern Galactic Cap is a large region of the sky located above the plane of the Milky Way’s disk, commonly targeted by wide-field astronomical surveys for deep imaging and mapping of extragalactic objects.
E1171161 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: Northern Galactic Cap | Statement: [DECam Legacy Survey, skyCoverage, Northern Galactic Cap]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern Galactic Cap
Context triple: [DECam Legacy Survey, skyCoverage, Northern Galactic Cap]
  • A. Gould Belt
    The Gould Belt is a nearby, partial ring of young stars, gas, and star-forming regions tilted to the Milky Way’s plane and encompassing many of the bright constellations visible from Earth.
  • B. Norma–Cygnus Arm
    The Norma–Cygnus Arm is one of the major spiral arms of the Milky Way galaxy, located in its inner regions and rich in stars, gas, and star-forming regions.
  • C. Milky Way center
    The Milky Way center is the dense, energetic core of our galaxy, hosting a supermassive black hole surrounded by stars, gas, and dust.
  • D. Galactic anticenter
    The Galactic anticenter is the point in the sky directly opposite the center of the Milky Way, located in the outer region of our galaxy’s disk.
  • E. Crux region of the Milky Way
    The Crux region of the Milky Way is a rich, star-dense area of the southern sky centered on the Southern Cross constellation, notable for its prominent star clusters and dark nebulae.
  • 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: Northern Galactic Cap
Triple: [DECam Legacy Survey, skyCoverage, Northern Galactic Cap]
Generated description
The Northern Galactic Cap is a large region of the sky located above the plane of the Milky Way’s disk, commonly targeted by wide-field astronomical surveys for deep imaging and mapping of extragalactic objects.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northern Galactic Cap
Target entity description: The Northern Galactic Cap is a large region of the sky located above the plane of the Milky Way’s disk, commonly targeted by wide-field astronomical surveys for deep imaging and mapping of extragalactic objects.
  • A. Gould Belt
    The Gould Belt is a nearby, partial ring of young stars, gas, and star-forming regions tilted to the Milky Way’s plane and encompassing many of the bright constellations visible from Earth.
  • B. Norma–Cygnus Arm
    The Norma–Cygnus Arm is one of the major spiral arms of the Milky Way galaxy, located in its inner regions and rich in stars, gas, and star-forming regions.
  • C. Milky Way center
    The Milky Way center is the dense, energetic core of our galaxy, hosting a supermassive black hole surrounded by stars, gas, and dust.
  • D. Galactic anticenter
    The Galactic anticenter is the point in the sky directly opposite the center of the Milky Way, located in the outer region of our galaxy’s disk.
  • E. Crux region of the Milky Way
    The Crux region of the Milky Way is a rich, star-dense area of the southern sky centered on the Southern Cross constellation, notable for its prominent star clusters and dark nebulae.
  • 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_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.
NEDg Description generation batch_69ff7097adec8190ad5fc00fa57e3383 completed May 9, 2026, 5:36 p.m.
NED2 Entity disambiguation (via description) batch_69ff70f97eec8190a1f5affdad31f2b2 completed May 9, 2026, 5:38 p.m.
Created at: April 10, 2026, 4:44 a.m.