Triple

T18950797
Position Surface form Disambiguated ID Type / Status
Subject neptunium E463642 entity
Predicate hasIsotope P19723 FINISHED
Object neptunium-238
Neptunium-238 is a radioactive isotope of neptunium used primarily in nuclear research and as an intermediate in the production of plutonium-238.
 E1354939 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: neptunium-238 | Statement: [neptunium, hasIsotope, neptunium-238]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: neptunium-238
Context triple: [neptunium, hasIsotope, neptunium-238]
  • A. neptunium-235
    Neptunium-235 is a radioactive isotope of the actinide element neptunium, notable for its nuclear properties and relevance in theoretical nuclear fuel cycles and transmutation studies.
  • B. neptunium
    Neptunium is a radioactive, synthetic actinide metal and the first transuranium element, used mainly in nuclear research and reactor applications.
  • C. Plutonium (Ploutonion)
    Plutonium (Ploutonion) is an ancient Greco-Roman religious sanctuary and cave at Hierapolis, believed to be an entrance to the underworld and associated with the god Pluto/Hades.
  • D. fermium-252
    Fermium-252 is a highly radioactive synthetic isotope of the actinide element fermium, notable for its use in scientific research on heavy elements and nuclear properties.
  • E. uranium-235
    Uranium-235 is a fissile isotope of uranium that readily undergoes nuclear fission, making it crucial for both nuclear power generation and atomic weapons.
  • 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: neptunium-238
Triple: [neptunium, hasIsotope, neptunium-238]
Generated description
Neptunium-238 is a radioactive isotope of neptunium used primarily in nuclear research and as an intermediate in the production of plutonium-238.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: neptunium-238
Target entity description: Neptunium-238 is a radioactive isotope of neptunium used primarily in nuclear research and as an intermediate in the production of plutonium-238.
  • A. neptunium-235
    Neptunium-235 is a radioactive isotope of the actinide element neptunium, notable for its nuclear properties and relevance in theoretical nuclear fuel cycles and transmutation studies.
  • B. neptunium
    Neptunium is a radioactive, synthetic actinide metal and the first transuranium element, used mainly in nuclear research and reactor applications.
  • C. Plutonium (Ploutonion)
    Plutonium (Ploutonion) is an ancient Greco-Roman religious sanctuary and cave at Hierapolis, believed to be an entrance to the underworld and associated with the god Pluto/Hades.
  • D. fermium-252
    Fermium-252 is a highly radioactive synthetic isotope of the actinide element fermium, notable for its use in scientific research on heavy elements and nuclear properties.
  • E. uranium-235
    Uranium-235 is a fissile isotope of uranium that readily undergoes nuclear fission, making it crucial for both nuclear power generation and atomic weapons.
  • 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_69d8dcffc278819086792a4ebfddfafa completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d542b238819089ccd2df279a2f7f completed April 20, 2026, 7:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05be41ad30819094b390f3527e522e completed May 14, 2026, 12:21 p.m.
NEDg Description generation batch_6a05bf4f8d0081909483a89498402f7c completed May 14, 2026, 12:25 p.m.
NED2 Entity disambiguation (via description) batch_6a05bfe2ab5c8190a969f060b01ee913 completed May 14, 2026, 12:28 p.m.
Created at: April 10, 2026, noon