Triple

T19558537
Position Surface form Disambiguated ID Type / Status
Subject Serenity Chasma E489379 entity
Predicate locatedInHemisphere P40 FINISHED
Object Charon’s encounter hemisphere
Charon’s encounter hemisphere is the side of Pluto’s moon Charon that was imaged in detail during the New Horizons flyby, revealing prominent geological features such as vast chasms and varied terrain.
E1384143 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: Charon’s encounter hemisphere | Statement: [Serenity Chasma, locatedInHemisphere, Charon’s encounter hemisphere]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Charon’s encounter hemisphere
Context triple: [Serenity Chasma, locatedInHemisphere, Charon’s encounter hemisphere]
  • A. lunar south polar region
    The lunar south polar region is a scientifically significant area of the Moon characterized by permanently shadowed craters that may harbor water ice, making it a prime target for exploration and future lunar bases.
  • B. Sputnik Planitia
    Sputnik Planitia is a vast, bright, heart-shaped nitrogen-ice plain on Pluto, notable for its smooth, crater-free surface and evidence of active glacial and convective processes.
  • C. Endymion crater
    Endymion crater is a prominent, dark-floored impact crater on the Moon’s northeastern near side, notable for its relatively smooth interior and well-preserved rim.
  • D. Titan’s north polar seas
    Titan’s north polar seas are vast, methane- and ethane-filled bodies of liquid clustered around the north pole of Saturn’s largest moon, including its largest sea, Kraken Mare.
  • E. Pluto’s satellite system
    Pluto’s satellite system is the collection of natural moons orbiting the dwarf planet Pluto, dominated by the large moon Charon and accompanied by the smaller satellites Styx, Nix, Kerberos, and Hydra.
  • 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: Charon’s encounter hemisphere
Triple: [Serenity Chasma, locatedInHemisphere, Charon’s encounter hemisphere]
Generated description
Charon’s encounter hemisphere is the side of Pluto’s moon Charon that was imaged in detail during the New Horizons flyby, revealing prominent geological features such as vast chasms and varied terrain.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Charon’s encounter hemisphere
Target entity description: Charon’s encounter hemisphere is the side of Pluto’s moon Charon that was imaged in detail during the New Horizons flyby, revealing prominent geological features such as vast chasms and varied terrain.
  • A. lunar south polar region
    The lunar south polar region is a scientifically significant area of the Moon characterized by permanently shadowed craters that may harbor water ice, making it a prime target for exploration and future lunar bases.
  • B. Sputnik Planitia
    Sputnik Planitia is a vast, bright, heart-shaped nitrogen-ice plain on Pluto, notable for its smooth, crater-free surface and evidence of active glacial and convective processes.
  • C. Endymion crater
    Endymion crater is a prominent, dark-floored impact crater on the Moon’s northeastern near side, notable for its relatively smooth interior and well-preserved rim.
  • D. Titan’s north polar seas
    Titan’s north polar seas are vast, methane- and ethane-filled bodies of liquid clustered around the north pole of Saturn’s largest moon, including its largest sea, Kraken Mare.
  • E. Pluto’s satellite system
    Pluto’s satellite system is the collection of natural moons orbiting the dwarf planet Pluto, dominated by the large moon Charon and accompanied by the smaller satellites Styx, Nix, Kerberos, and Hydra.
  • 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_69d8e8dc5d8c8190a6d7bd8864f43ca0 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63f723d5081909553a4363b579a6b completed April 20, 2026, 3 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0757809d9c8190bf7651fc9425691e completed May 15, 2026, 5:27 p.m.
NEDg Description generation batch_6a075b89f9d08190be3b14a4073fb570 completed May 15, 2026, 5:44 p.m.
NED2 Entity disambiguation (via description) batch_6a075c02150c8190b26a3d58ee68b481 completed May 15, 2026, 5:46 p.m.
Created at: April 10, 2026, 1:42 p.m.