Triple

T14637249
Position Surface form Disambiguated ID Type / Status
Subject Renato Caccioppoli E343638 entity
Predicate notableWork P4 FINISHED
Object Caccioppoli set
A Caccioppoli set is a measurable subset of Euclidean space whose characteristic function has bounded variation, making it a fundamental object in geometric measure theory and the study of minimal surfaces.
E1109988 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: Caccioppoli set | Statement: [Renato Caccioppoli, notableWork, Caccioppoli set]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Caccioppoli set
Context triple: [Renato Caccioppoli, notableWork, Caccioppoli set]
  • A. Sierpiński set
    The Sierpiński set is a subset of the real numbers with the property that it intersects every uncountable closed subset of the reals in only countably many points, illustrating extreme pathological behavior in set theory and real analysis.
  • B. Vitali set
    A Vitali set is a classic example in real analysis of a subset of the real numbers that is not Lebesgue measurable, constructed using the axiom of choice.
  • C. Nikodym set
    A Nikodym set is a pathological subset of the plane in geometric measure theory that intersects almost every line in a very small (often measure-zero) way while still having full measure in a region, illustrating extreme irregular behavior of measurable sets.
  • D. Cantor set
    The Cantor set is a classic fractal subset of the real line formed by repeatedly removing the open middle third of intervals, notable for being uncountable, perfect, nowhere dense, and having zero Lebesgue measure.
  • E. Bernstein set
    A Bernstein set is a subset of the real numbers that intersects every uncountable closed set yet contains none of them, serving as a classic example of a non-measurable, highly pathological set in set theory.
  • 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: Caccioppoli set
Triple: [Renato Caccioppoli, notableWork, Caccioppoli set]
Generated description
A Caccioppoli set is a measurable subset of Euclidean space whose characteristic function has bounded variation, making it a fundamental object in geometric measure theory and the study of minimal surfaces.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Caccioppoli set
Target entity description: A Caccioppoli set is a measurable subset of Euclidean space whose characteristic function has bounded variation, making it a fundamental object in geometric measure theory and the study of minimal surfaces.
  • A. Sierpiński set
    The Sierpiński set is a subset of the real numbers with the property that it intersects every uncountable closed subset of the reals in only countably many points, illustrating extreme pathological behavior in set theory and real analysis.
  • B. Vitali set
    A Vitali set is a classic example in real analysis of a subset of the real numbers that is not Lebesgue measurable, constructed using the axiom of choice.
  • C. Nikodym set
    A Nikodym set is a pathological subset of the plane in geometric measure theory that intersects almost every line in a very small (often measure-zero) way while still having full measure in a region, illustrating extreme irregular behavior of measurable sets.
  • D. Cantor set
    The Cantor set is a classic fractal subset of the real line formed by repeatedly removing the open middle third of intervals, notable for being uncountable, perfect, nowhere dense, and having zero Lebesgue measure.
  • E. Bernstein set
    A Bernstein set is a subset of the real numbers that intersects every uncountable closed set yet contains none of them, serving as a classic example of a non-measurable, highly pathological set in set theory.
  • 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_69d822dffc3c8190aa173b90761bffda completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb4aca6448190adf1042dfbfef716 completed April 14, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69fda934ec3c81909eb3c3a54260436b completed May 8, 2026, 9:13 a.m.
NEDg Description generation batch_69fdb1ad32a4819088e5831f3d74ea4e completed May 8, 2026, 9:49 a.m.
NED2 Entity disambiguation (via description) batch_69fdb316479c81909343196bb89e5e57 completed May 8, 2026, 9:55 a.m.
Created at: April 10, 2026, 1:26 a.m.