Triple
T19450000
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fell centre rail system |
E486590
|
entity |
| Predicate | distinguishedFrom |
P1612
|
FINISHED |
| Object | Locher rack system |
—
|
NE NERFINISHED |
How this triple was built (3 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: Locher rack system | Statement: [Fell centre rail system, distinguishedFrom, Locher rack system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Locher rack system Context triple: [Fell centre rail system, distinguishedFrom, Locher rack system]
-
A.
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.
-
B.
Prismaflex system
The Prismaflex system is an advanced medical device platform used in intensive care units to provide continuous renal replacement therapy and other extracorporeal blood treatments for critically ill patients.
-
C.
Igla docking system
The Igla docking system was an early Soviet-era spacecraft rendezvous and docking technology used before being superseded by more advanced systems.
-
D.
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.
-
E.
Warren’s Shaft system
Warren’s Shaft system is an ancient underground water system in Jerusalem’s City of David, featuring tunnels and a vertical shaft used to access the Gihon Spring for the city’s early inhabitants.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Locher rack system Target entity description: The Locher rack system is a specialized rack railway design that uses horizontal, side-mounted cogwheels engaging with a centrally located rack bar to enable safe operation on extremely steep gradients.
-
A.
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.
-
B.
Prismaflex system
The Prismaflex system is an advanced medical device platform used in intensive care units to provide continuous renal replacement therapy and other extracorporeal blood treatments for critically ill patients.
-
C.
Igla docking system
The Igla docking system was an early Soviet-era spacecraft rendezvous and docking technology used before being superseded by more advanced systems.
-
D.
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.
-
E.
Warren’s Shaft system
Warren’s Shaft system is an ancient underground water system in Jerusalem’s City of David, featuring tunnels and a vertical shaft used to access the Gihon Spring for the city’s early inhabitants.
- F. None of above. chosen
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.