Triple

T21953408
Position Surface form Disambiguated ID Type / Status
Subject Lie algebra E542122 entity
Predicate hasConcept P531 FINISHED
Object Levi decomposition
The Levi decomposition is a structural theorem in Lie algebra theory stating that any finite-dimensional Lie algebra over a field of characteristic zero can be written as a semidirect sum of a semisimple subalgebra and its solvable radical.
E1510865 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: Levi decomposition | Statement: [Lie algebra, hasConcept, Levi decomposition]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Levi decomposition
Context triple: [Lie algebra, hasConcept, Levi decomposition]
  • A. Jordan–Chevalley decomposition
    The Jordan–Chevalley decomposition is a fundamental result in linear algebra and representation theory that expresses a linear operator (or matrix) as the sum or product of commuting semisimple and nilpotent parts.
  • B. Lefschetz decomposition
    Lefschetz decomposition is a structural breakdown of the derived category of coherent sheaves on an algebraic variety into a sequence of subcategories reflecting the geometry of a Lefschetz-type fibration or embedding.
  • C. Cartan decomposition
    Cartan decomposition is a fundamental structural result in Lie theory that expresses a Lie algebra or Lie group as a direct sum or product of subspaces or subgroups with specific symmetry properties, widely used in differential geometry and representation theory.
  • D. Iwasawa decomposition
    The Iwasawa decomposition is a fundamental factorization in Lie group theory that expresses a semisimple Lie group as a product of a maximal compact subgroup, a maximal abelian subgroup, and a nilpotent subgroup, playing a key role in representation theory and harmonic analysis.
  • E. Bruhat decomposition
    Bruhat decomposition is a fundamental result in algebraic group theory that expresses a group as a union of double cosets indexed by elements of its Weyl group, revealing a deep combinatorial structure.
  • 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: Levi decomposition
Triple: [Lie algebra, hasConcept, Levi decomposition]
Generated description
The Levi decomposition is a structural theorem in Lie algebra theory stating that any finite-dimensional Lie algebra over a field of characteristic zero can be written as a semidirect sum of a semisimple subalgebra and its solvable radical.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Levi decomposition
Target entity description: The Levi decomposition is a structural theorem in Lie algebra theory stating that any finite-dimensional Lie algebra over a field of characteristic zero can be written as a semidirect sum of a semisimple subalgebra and its solvable radical.
  • A. Jordan–Chevalley decomposition
    The Jordan–Chevalley decomposition is a fundamental result in linear algebra and representation theory that expresses a linear operator (or matrix) as the sum or product of commuting semisimple and nilpotent parts.
  • B. Lefschetz decomposition
    Lefschetz decomposition is a structural breakdown of the derived category of coherent sheaves on an algebraic variety into a sequence of subcategories reflecting the geometry of a Lefschetz-type fibration or embedding.
  • C. Cartan decomposition
    Cartan decomposition is a fundamental structural result in Lie theory that expresses a Lie algebra or Lie group as a direct sum or product of subspaces or subgroups with specific symmetry properties, widely used in differential geometry and representation theory.
  • D. Iwasawa decomposition
    The Iwasawa decomposition is a fundamental factorization in Lie group theory that expresses a semisimple Lie group as a product of a maximal compact subgroup, a maximal abelian subgroup, and a nilpotent subgroup, playing a key role in representation theory and harmonic analysis.
  • E. Bruhat decomposition
    Bruhat decomposition is a fundamental result in algebraic group theory that expresses a group as a union of double cosets indexed by elements of its Weyl group, revealing a deep combinatorial structure.
  • 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_69e0c47ef0e48190a50e1bcc43f4b3fd completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1243dfb4081909bc7a722843ffea7 completed April 28, 2026, 9:18 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a670672b481908b92e15245212e64 completed May 18, 2026, 1:10 a.m.
NEDg Description generation batch_6a0a67c29848819080860f13b4c9697b completed May 18, 2026, 1:13 a.m.
NED2 Entity disambiguation (via description) batch_6a0a686a0f208190977890119ffcff79 completed May 18, 2026, 1:16 a.m.
Created at: April 16, 2026, 7:59 p.m.