Triple

T18257550
Position Surface form Disambiguated ID Type / Status
Subject SPERT-II E437254 entity
Predicate partOf P40 FINISHED
Object SPERT program
The SPERT program was a series of experimental nuclear reactor projects conducted by the U.S. Atomic Energy Commission to study reactor safety and transient behavior.
 E1314745 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: SPERT program | Statement: [SPERT-II, partOf, SPERT program]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SPERT program
Context triple: [SPERT-II, partOf, SPERT program]
  • A. SPERT-I
    SPERT-I was the first reactor in the Special Power Excursion Reactor Test series, designed to study reactor safety and behavior under rapid power excursion conditions.
  • B. SPERT-II
    SPERT-II was a research nuclear reactor used in the SPERT program to study reactor safety and power excursion behavior under experimental conditions.
  • C. SPERT-IV
    SPERT-IV was a research reactor facility used in the SPERT program to study reactor safety and transient behavior under power excursion conditions.
  • D. SPERT-III
    SPERT-III was a U.S. experimental nuclear research reactor used in the mid-20th century to study reactor safety and power excursion behavior.
  • E. ERTS program
    The ERTS program (Earth Resources Technology Satellite) was NASA’s early satellite initiative that evolved into the Landsat program, pioneering the use of space-based imagery for monitoring Earth’s land resources.
  • 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: SPERT program
Triple: [SPERT-II, partOf, SPERT program]
Generated description
The SPERT program was a series of experimental nuclear reactor projects conducted by the U.S. Atomic Energy Commission to study reactor safety and transient behavior.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SPERT program
Target entity description: The SPERT program was a series of experimental nuclear reactor projects conducted by the U.S. Atomic Energy Commission to study reactor safety and transient behavior.
  • A. SPERT-I
    SPERT-I was the first reactor in the Special Power Excursion Reactor Test series, designed to study reactor safety and behavior under rapid power excursion conditions.
  • B. SPERT-II
    SPERT-II was a research nuclear reactor used in the SPERT program to study reactor safety and power excursion behavior under experimental conditions.
  • C. SPERT-IV
    SPERT-IV was a research reactor facility used in the SPERT program to study reactor safety and transient behavior under power excursion conditions.
  • D. SPERT-III
    SPERT-III was a U.S. experimental nuclear research reactor used in the mid-20th century to study reactor safety and power excursion behavior.
  • E. ERTS program
    The ERTS program (Earth Resources Technology Satellite) was NASA’s early satellite initiative that evolved into the Landsat program, pioneering the use of space-based imagery for monitoring Earth’s land resources.
  • 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_69d8b913351c8190932b6a426de04b41 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4fd86e21081909c049082949b95c6 completed April 19, 2026, 4:06 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03ac7afdcc81908d0b2ce1d3a4f175 completed May 12, 2026, 10:40 p.m.
NEDg Description generation batch_6a03ad1e02b48190a23789b2e62d820b completed May 12, 2026, 10:43 p.m.
NED2 Entity disambiguation (via description) batch_6a03adef02fc81909d78aaf558c2cab6 completed May 12, 2026, 10:47 p.m.
Created at: April 10, 2026, 10:34 a.m.