Triple

T12070564
Position Surface form Disambiguated ID Type / Status
Subject Weyl tensor E287410 entity
Predicate appearsIn P795 FINISHED
Object Petrov classification
The Petrov classification is a scheme in general relativity that categorizes spacetime geometries based on the algebraic properties of the Weyl tensor.
 E967359 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: Petrov classification | Statement: [Weyl tensor, appearsIn, Petrov classification]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Petrov classification
Context triple: [Weyl tensor, appearsIn, Petrov classification]
  • A. Bianchi classification
    Bianchi classification is a scheme in general relativity that categorizes three-dimensional Lie algebras (and corresponding homogeneous cosmological models) into distinct types based on their symmetry properties.
  • B. APG III classification
    APG III classification is a widely used modern system for classifying flowering plants based on molecular phylogenetic evidence, developed by the Angiosperm Phylogeny Group.
  • C. Harvard Classification Scheme
    The Harvard Classification Scheme is an early 20th-century stellar classification system that organizes stars primarily by their spectral characteristics and temperatures into types such as O, B, A, F, G, K, and M.
  • D. Lugano classification
    The Lugano classification is a standardized system used to stage and assess the extent of non-Hodgkin lymphoma and other lymphomas in clinical practice and research.
  • E. Petrov
    Petrov is an alias or alternate name used by Peter P. Peters.
  • 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: Petrov classification
Triple: [Weyl tensor, appearsIn, Petrov classification]
Generated description
The Petrov classification is a scheme in general relativity that categorizes spacetime geometries based on the algebraic properties of the Weyl tensor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Petrov classification
Target entity description: The Petrov classification is a scheme in general relativity that categorizes spacetime geometries based on the algebraic properties of the Weyl tensor.
  • A. Bianchi classification
    Bianchi classification is a scheme in general relativity that categorizes three-dimensional Lie algebras (and corresponding homogeneous cosmological models) into distinct types based on their symmetry properties.
  • B. APG III classification
    APG III classification is a widely used modern system for classifying flowering plants based on molecular phylogenetic evidence, developed by the Angiosperm Phylogeny Group.
  • C. Harvard Classification Scheme
    The Harvard Classification Scheme is an early 20th-century stellar classification system that organizes stars primarily by their spectral characteristics and temperatures into types such as O, B, A, F, G, K, and M.
  • D. Lugano classification
    The Lugano classification is a standardized system used to stage and assess the extent of non-Hodgkin lymphoma and other lymphomas in clinical practice and research.
  • E. Petrov
    Petrov is an alias or alternate name used by Peter P. Peters.
  • 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_69d6ab4846e081908ee7bbd66a6d3459 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9045a507081909070ea37173d6f97 completed April 10, 2026, 2:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f65ccc788190942e16c56f2a495f completed May 2, 2026, 1:04 p.m.
NEDg Description generation batch_69f60335285c819089f69472b2e48130 completed May 2, 2026, 1:59 p.m.
NED2 Entity disambiguation (via description) batch_69f60410ce0481908b2deb7522a3ec00 completed May 2, 2026, 2:02 p.m.
Created at: April 8, 2026, 9:48 p.m.