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.