Triple
T14998100
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cass Scenic Railroad State Park |
E374011
|
entity |
| Predicate | primaryLocomotiveType |
P116282
|
FINISHED |
| Object | Shay locomotive |
E496204
|
NE FINISHED |
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: Shay locomotive | Statement: [Cass Scenic Railroad State Park, primaryLocomotiveType, Shay locomotive]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shay locomotive Context triple: [Cass Scenic Railroad State Park, primaryLocomotiveType, Shay locomotive]
-
A.
Shay locomotive
chosen
The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
-
B.
Heisler locomotive
A Heisler locomotive is a type of geared steam locomotive, recognizable by its V‑twin cylinder arrangement and used primarily on logging and industrial railroads for hauling heavy loads over steep, rough track.
-
C.
Sans Pareil (locomotive)
Sans Pareil is an early 19th-century steam locomotive built by engineer Timothy Hackworth that competed in the 1829 Rainhill Trials, a landmark event in railway history.
-
D.
Forney locomotive
The Forney locomotive is a compact 19th-century steam tank locomotive type, notable for its rigid wheelbase and rear-mounted fuel and water tanks, widely used on urban elevated and commuter railways.
-
E.
Locomotive
Locomotive is the nickname of El Paso Locomotive FC, a professional soccer club based in El Paso, Texas, that competes in the USL Championship.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: primaryLocomotiveType Context triple: [Cass Scenic Railroad State Park, primaryLocomotiveType, Shay locomotive]
-
A.
typicalLocomotiveClass
Indicates that one locomotive class is the standard or most commonly used class for a given context, operator, or service.
-
B.
laterLocomotiveType
Indicates that one locomotive type succeeds or comes after another in time, representing a later development or version in locomotive design.
-
C.
hasLocomotive
Indicates that one entity possesses or is equipped with a locomotive as part of its composition or operation.
-
D.
usedLocomotives
Indicates that an entity employed locomotives as tools, resources, or means to perform an action or fulfill a function.
-
E.
locomotiveNumber
Indicates the identifying number assigned to a locomotive in the relationship.
- 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_69d85ccc84388190aa151e5173370c8d |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded71a5618819083ae96a79735ef98 |
completed | April 15, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe969c3ba88190899f06b185e94ccf |
completed | May 9, 2026, 2:06 a.m. |
| PD | Predicate disambiguation | batch_69de9a6169b48190a679609febd2d0e3 |
completed | April 14, 2026, 7:49 p.m. |
| PDg | Predicate description generation | batch_69deb1a88d588190996afa8e5b32b552 |
completed | April 14, 2026, 9:29 p.m. |
Created at: April 10, 2026, 2:54 a.m.