Triple

T7041154
Position Surface form Disambiguated ID Type / Status
Subject Buffon E163513 entity
Predicate knownFor P22 FINISHED
Object Buffon’s needle problem
Buffon’s needle problem is a classic probability puzzle that involves dropping a needle on a lined surface to estimate the value of π.
E636452 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: Buffon’s needle problem | Statement: [Buffon, knownFor, Buffon’s needle problem]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Buffon’s needle problem
Context triple: [Buffon, knownFor, Buffon’s needle problem]
  • A. Steinhaus chessboard theorem
    The Steinhaus chessboard theorem is a combinatorial result in geometry and topology that gives conditions under which certain colored paths must exist on a checkerboard-like grid.
  • B. Conway circle theorem
    The Conway circle theorem is a geometric result in triangle geometry that identifies a special circle associated with a triangle and certain constructed points, revealing notable collinearities and concyclicity relationships.
  • C. Eratosthenes spiral
    The Eratosthenes spiral is a geometric visualization of prime numbers generated by the sieve of Eratosthenes, arranging integers in a spiral so that primes form distinctive radial patterns.
  • D. Conway’s soldiers
    Conway’s soldiers is a mathematical puzzle and thought experiment in combinatorial game theory that explores how far checkers-like pieces can advance on an infinite grid under specific movement rules.
  • E. Erdős–Szekeres theorem
    The Erdős–Szekeres theorem is a fundamental result in combinatorial geometry that guarantees the existence of large convex polygons within sufficiently large sets of points in the plane in general position.
  • 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: Buffon’s needle problem
Triple: [Buffon, knownFor, Buffon’s needle problem]
Generated description
Buffon’s needle problem is a classic probability puzzle that involves dropping a needle on a lined surface to estimate the value of π.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Buffon’s needle problem
Target entity description: Buffon’s needle problem is a classic probability puzzle that involves dropping a needle on a lined surface to estimate the value of π.
  • A. Steinhaus chessboard theorem
    The Steinhaus chessboard theorem is a combinatorial result in geometry and topology that gives conditions under which certain colored paths must exist on a checkerboard-like grid.
  • B. Conway circle theorem
    The Conway circle theorem is a geometric result in triangle geometry that identifies a special circle associated with a triangle and certain constructed points, revealing notable collinearities and concyclicity relationships.
  • C. Eratosthenes spiral
    The Eratosthenes spiral is a geometric visualization of prime numbers generated by the sieve of Eratosthenes, arranging integers in a spiral so that primes form distinctive radial patterns.
  • D. Conway’s soldiers
    Conway’s soldiers is a mathematical puzzle and thought experiment in combinatorial game theory that explores how far checkers-like pieces can advance on an infinite grid under specific movement rules.
  • E. Erdős–Szekeres theorem
    The Erdős–Szekeres theorem is a fundamental result in combinatorial geometry that guarantees the existence of large convex polygons within sufficiently large sets of points in the plane in general position.
  • 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_69c6885e7c1c8190be32a8f79ab4e0cf completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e22544708190b0dffb5256d4cda6 completed March 27, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c775afabbc8190a6ff263b1a996c9c completed March 28, 2026, 6:31 a.m.
NEDg Description generation batch_69c7779c8bcc819089d79399f0c9eb31 completed March 28, 2026, 6:39 a.m.
NED2 Entity disambiguation (via description) batch_69c7789d07c08190b6b6479ffbbc9f3e completed March 28, 2026, 6:43 a.m.
Created at: March 27, 2026, 2:36 p.m.