Triple

T19319149
Position Surface form Disambiguated ID Type / Status
Subject Ludwig Prandtl E483173 entity
Predicate notableFor P22 FINISHED
Object Prandtl–Glauert transformation
The Prandtl–Glauert transformation is a mathematical relation in aerodynamics that approximates how pressure and other flow properties change with subsonic compressibility effects around an aircraft or airfoil.
 E1369940 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: Prandtl–Glauert transformation | Statement: [Ludwig Prandtl, notableFor, Prandtl–Glauert transformation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Prandtl–Glauert transformation
Context triple: [Ludwig Prandtl, notableFor, Prandtl–Glauert transformation]
  • A. Joukowski airfoil
    The Joukowski airfoil is a mathematically defined airfoil shape derived using conformal mapping, foundational in early aerodynamic theory and airfoil design.
  • B. Joukowski transform
    The Joukowski transform is a complex-plane mapping used in aerodynamics and fluid dynamics to model and analyze the flow around airfoils and other shapes.
  • C. Zhukovsky lift theorem
    The Zhukovsky lift theorem is a fundamental result in aerodynamics that relates the lift generated by an airfoil to the circulation of fluid flow around it.
  • D. Blasius
    Blasius is a Latinized form of the given name Blaise, historically associated with Christian saints and scholars.
  • E. Kutta
    Kutta is a small town in the Kodagu (Coorg) district of Karnataka, India, known as a gateway to the Iruppu Falls and the nearby Nagarhole National Park.
  • 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: Prandtl–Glauert transformation
Triple: [Ludwig Prandtl, notableFor, Prandtl–Glauert transformation]
Generated description
The Prandtl–Glauert transformation is a mathematical relation in aerodynamics that approximates how pressure and other flow properties change with subsonic compressibility effects around an aircraft or airfoil.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Prandtl–Glauert transformation
Target entity description: The Prandtl–Glauert transformation is a mathematical relation in aerodynamics that approximates how pressure and other flow properties change with subsonic compressibility effects around an aircraft or airfoil.
  • A. Joukowski airfoil
    The Joukowski airfoil is a mathematically defined airfoil shape derived using conformal mapping, foundational in early aerodynamic theory and airfoil design.
  • B. Joukowski transform
    The Joukowski transform is a complex-plane mapping used in aerodynamics and fluid dynamics to model and analyze the flow around airfoils and other shapes.
  • C. Zhukovsky lift theorem
    The Zhukovsky lift theorem is a fundamental result in aerodynamics that relates the lift generated by an airfoil to the circulation of fluid flow around it.
  • D. Blasius
    Blasius is a Latinized form of the given name Blaise, historically associated with Christian saints and scholars.
  • E. Kutta
    Kutta is a small town in the Kodagu (Coorg) district of Karnataka, India, known as a gateway to the Iruppu Falls and the nearby Nagarhole National Park.
  • 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_69d8e8d13e3c81909d91d1d5ec37c095 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e60d868dd48190b1439a5f4ff58c48 completed April 20, 2026, 11:27 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0714640aa481909bd6b1ca617f35a7 completed May 15, 2026, 12:41 p.m.
NEDg Description generation batch_6a0714eb6a0c8190bec7ae8ef785a4ab completed May 15, 2026, 12:43 p.m.
NED2 Entity disambiguation (via description) batch_6a0718ee8adc8190a74685f9783ba5d5 completed May 15, 2026, 1 p.m.
Created at: April 10, 2026, 1:32 p.m.