Triple
T19449999
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fell centre rail system |
E486590
|
entity |
| Predicate | distinguishedFrom |
P1612
|
FINISHED |
| Object | Strub rack system |
—
|
NE NERFINISHED |
How this triple was built (2 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: Strub rack system | Statement: [Fell centre rail system, distinguishedFrom, Strub rack system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Strub rack system Context triple: [Fell centre rail system, distinguishedFrom, Strub rack system]
-
A.
Strub system
chosen
The Strub system is a type of rack railway mechanism that uses a central toothed rail to provide additional traction and braking on steep gradients.
-
B.
Riggenbach rack system
The Riggenbach rack system is an early and widely used rack railway technology that employs a ladder-like central rail to enable trains to climb steep gradients safely.
-
C.
Abt rack system
The Abt rack system is a railway rack-and-pinion mechanism that uses multiple toothed rack bars and pinions to enable trains to safely operate on steep gradients.
-
D.
Pennock
Pennock is the surname of Herb Pennock, a Hall of Fame American Major League Baseball pitcher best known for his years with the New York Yankees in the 1920s.
-
E.
Wheeler Lock
Wheeler Lock is a navigation lock on the Tennessee River in northern Alabama that helps vessels bypass Wheeler Dam as part of the Tennessee Valley Authority’s waterway system.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e8d7ad488190a3373045029b0f3b |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6338caeb48190aeb1d511996984e3 |
completed | April 20, 2026, 2:09 p.m. |
Created at: April 10, 2026, 1:38 p.m.