Triple

T19319158
Position Surface form Disambiguated ID Type / Status
Subject Ludwig Prandtl E483173 entity
Predicate notableFor P22 FINISHED
Object Prandtl–Blasius boundary layer solution
The Prandtl–Blasius boundary layer solution is a classical analytical solution in fluid dynamics that describes the velocity profile of laminar flow over a flat plate near its surface.
E1369947 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–Blasius boundary layer solution | Statement: [Ludwig Prandtl, notableFor, Prandtl–Blasius boundary layer solution]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Prandtl–Blasius boundary layer solution
Context triple: [Ludwig Prandtl, notableFor, Prandtl–Blasius boundary layer solution]
  • A. On the theories of the internal friction of fluids in motion
    "On the theories of the internal friction of fluids in motion" is a foundational scientific paper by George Gabriel Stokes that established key principles of fluid dynamics and viscosity, leading to what is now known as the Navier–Stokes equations.
  • B. Blasius
    Blasius is a Latinized form of the given name Blaise, historically associated with Christian saints and scholars.
  • C. Stokes hypothesis in fluid mechanics
    The Stokes hypothesis in fluid mechanics is an assumption relating the bulk viscosity of a Newtonian fluid to its shear viscosity, simplifying the constitutive equations used to model viscous flows.
  • D. Perturbation Methods in Fluid Mechanics
    Perturbation Methods in Fluid Mechanics is a classic graduate-level text that systematically develops asymptotic and perturbation techniques for analyzing complex fluid flow problems.
  • E. On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat
    "On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat" is Albert Einstein’s 1905 paper that provided a theoretical explanation of Brownian motion, offering strong evidence for the existence of atoms and molecules.
  • 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–Blasius boundary layer solution
Triple: [Ludwig Prandtl, notableFor, Prandtl–Blasius boundary layer solution]
Generated description
The Prandtl–Blasius boundary layer solution is a classical analytical solution in fluid dynamics that describes the velocity profile of laminar flow over a flat plate near its surface.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Prandtl–Blasius boundary layer solution
Target entity description: The Prandtl–Blasius boundary layer solution is a classical analytical solution in fluid dynamics that describes the velocity profile of laminar flow over a flat plate near its surface.
  • A. On the theories of the internal friction of fluids in motion
    "On the theories of the internal friction of fluids in motion" is a foundational scientific paper by George Gabriel Stokes that established key principles of fluid dynamics and viscosity, leading to what is now known as the Navier–Stokes equations.
  • B. Blasius
    Blasius is a Latinized form of the given name Blaise, historically associated with Christian saints and scholars.
  • C. Stokes hypothesis in fluid mechanics
    The Stokes hypothesis in fluid mechanics is an assumption relating the bulk viscosity of a Newtonian fluid to its shear viscosity, simplifying the constitutive equations used to model viscous flows.
  • D. Perturbation Methods in Fluid Mechanics
    Perturbation Methods in Fluid Mechanics is a classic graduate-level text that systematically develops asymptotic and perturbation techniques for analyzing complex fluid flow problems.
  • E. On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat
    "On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat" is Albert Einstein’s 1905 paper that provided a theoretical explanation of Brownian motion, offering strong evidence for the existence of atoms and molecules.
  • 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.