Triple

T1000503
Position Surface form Disambiguated ID Type / Status
Subject Canis Major Dwarf Galaxy E21591 entity
Predicate alternativeName P39 FINISHED
Object CMa Overdensity
CMa Overdensity is a debated stellar overdensity in the direction of Canis Major, thought by some astronomers to be the remnant of a disrupted dwarf galaxy merging with the Milky Way.
 E118797 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: CMa Overdensity | Statement: [Canis Major Dwarf Galaxy, alternativeName, CMa Overdensity]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CMa Overdensity
Context triple: [Canis Major Dwarf Galaxy, alternativeName, CMa Overdensity]
  • A. Laniakea Supercluster
    Laniakea Supercluster is a vast cosmic structure encompassing the Milky Way and hundreds of thousands of other galaxies, forming one of the largest known galaxy superclusters in the observable universe.
  • B. Perseus molecular cloud complex
    The Perseus molecular cloud complex is a prominent nearby star-forming region rich in cold gas and dust, known for hosting numerous young stellar objects and protostars.
  • C. globular star cluster M13
    Globular star cluster M13, also known as the Great Hercules Cluster, is a dense, bright spherical collection of hundreds of thousands of ancient stars located in the constellation Hercules and is one of the most prominent globular clusters visible from Earth.
  • D. SMACS 0723 galaxy cluster
    SMACS 0723 is a massive, distant galaxy cluster that gained prominence as the subject of the first full-color deep-field image released by the James Webb Space Telescope, showcasing thousands of galaxies and gravitational lensing effects.
  • E. Cluster mission
    The Cluster mission is a European Space Agency project consisting of four identical spacecraft flying in formation to study Earth's magnetosphere and its interaction with the solar wind in three dimensions.
  • 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: CMa Overdensity
Triple: [Canis Major Dwarf Galaxy, alternativeName, CMa Overdensity]
Generated description
CMa Overdensity is a debated stellar overdensity in the direction of Canis Major, thought by some astronomers to be the remnant of a disrupted dwarf galaxy merging with the Milky Way.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CMa Overdensity
Target entity description: CMa Overdensity is a debated stellar overdensity in the direction of Canis Major, thought by some astronomers to be the remnant of a disrupted dwarf galaxy merging with the Milky Way.
  • A. Laniakea Supercluster
    Laniakea Supercluster is a vast cosmic structure encompassing the Milky Way and hundreds of thousands of other galaxies, forming one of the largest known galaxy superclusters in the observable universe.
  • B. Perseus molecular cloud complex
    The Perseus molecular cloud complex is a prominent nearby star-forming region rich in cold gas and dust, known for hosting numerous young stellar objects and protostars.
  • C. globular star cluster M13
    Globular star cluster M13, also known as the Great Hercules Cluster, is a dense, bright spherical collection of hundreds of thousands of ancient stars located in the constellation Hercules and is one of the most prominent globular clusters visible from Earth.
  • D. SMACS 0723 galaxy cluster
    SMACS 0723 is a massive, distant galaxy cluster that gained prominence as the subject of the first full-color deep-field image released by the James Webb Space Telescope, showcasing thousands of galaxies and gravitational lensing effects.
  • E. Cluster mission
    The Cluster mission is a European Space Agency project consisting of four identical spacecraft flying in formation to study Earth's magnetosphere and its interaction with the solar wind in three dimensions.
  • 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_69a493c476b48190b41fc5e793171cc6 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4fb18b88190ae2d620aaaff4f90 completed March 1, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac2a1cb4f08190b1351aadd57c3bda completed March 7, 2026, 1:37 p.m.
NEDg Description generation batch_69ac2b0d1b348190b4a34bf1c9b43968 completed March 7, 2026, 1:41 p.m.
NED2 Entity disambiguation (via description) batch_69ac2bb03508819095f791903f048351 completed March 7, 2026, 1:44 p.m.
Created at: March 1, 2026, 7:41 p.m.