Triple
T3604245
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PRR K4s |
E76330
|
entity |
| Predicate | valveGear |
P49897
|
FINISHED |
| Object |
Walschaerts
Walschaerts valve gear is a widely used steam locomotive valve gear mechanism, developed in the 19th century, that precisely controls steam admission and exhaust to the cylinders.
|
E371412
|
NE FINISHED |
How this triple was built (5 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: Walschaerts | Statement: [PRR K4s, valveGear, Walschaerts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walschaerts Context triple: [PRR K4s, valveGear, Walschaerts]
-
A.
Gottlieb Duttweiler
Gottlieb Duttweiler was a Swiss entrepreneur, social reformer, and founder of the Migros retail cooperative, known for his pioneering role in making consumer goods more accessible to the public.
-
B.
Suter
Suter is a surname of Germanic origin, often associated with individuals of Swiss or German heritage.
-
C.
William Arrol
William Arrol was a prominent Scottish civil engineer and bridge builder renowned for leading the construction of major late-19th-century steel structures, including iconic railway bridges in the United Kingdom.
-
D.
August Borsig
August Borsig was a prominent 19th-century German industrialist and engineer best known for founding the Borsig company, one of Europe’s leading locomotive manufacturers.
-
E.
Watt steam engine
The Watt steam engine was a vastly improved steam engine developed in the late 18th century that greatly increased efficiency and helped power the Industrial Revolution.
- 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: Walschaerts Triple: [PRR K4s, valveGear, Walschaerts]
Generated description
Walschaerts valve gear is a widely used steam locomotive valve gear mechanism, developed in the 19th century, that precisely controls steam admission and exhaust to the cylinders.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Walschaerts Target entity description: Walschaerts valve gear is a widely used steam locomotive valve gear mechanism, developed in the 19th century, that precisely controls steam admission and exhaust to the cylinders.
-
A.
Gottlieb Duttweiler
Gottlieb Duttweiler was a Swiss entrepreneur, social reformer, and founder of the Migros retail cooperative, known for his pioneering role in making consumer goods more accessible to the public.
-
B.
Suter
Suter is a surname of Germanic origin, often associated with individuals of Swiss or German heritage.
-
C.
William Arrol
William Arrol was a prominent Scottish civil engineer and bridge builder renowned for leading the construction of major late-19th-century steel structures, including iconic railway bridges in the United Kingdom.
-
D.
August Borsig
August Borsig was a prominent 19th-century German industrialist and engineer best known for founding the Borsig company, one of Europe’s leading locomotive manufacturers.
-
E.
Watt steam engine
The Watt steam engine was a vastly improved steam engine developed in the late 18th century that greatly increased efficiency and helped power the Industrial Revolution.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: valveGear Context triple: [PRR K4s, valveGear, Walschaerts]
-
A.
valvesPerCylinder
Indicates the number of valves associated with each individual cylinder in an engine.
-
B.
shaftCount
Indicates the number of shafts associated with or contained in an object or system.
-
C.
shaftHeight
Indicates the vertical extent or length of a shaft from its base to its top.
-
D.
cylinderHeadBrand
Indicates the brand or manufacturer associated with a cylinder head.
-
E.
shaftOrientation
Indicates the directional alignment or angle at which a shaft is positioned or oriented relative to a reference frame or object.
- F. None of above. chosen
Provenance (7 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_69ad85d93dcc819094fba90cf70f4996 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc1e07bc481908d9fce18d36d8e0d |
completed | March 8, 2026, 6:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b40320a0308190b2f358fe1488ed98 |
completed | March 13, 2026, 12:29 p.m. |
| NEDg | Description generation | batch_69b4041bc85c8190948b7e47aef0e0d0 |
completed | March 13, 2026, 12:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b408778220819086935bfa9c0dd4fd |
completed | March 13, 2026, 12:52 p.m. |
| PD | Predicate disambiguation | batch_69adb83d8b1c8190b3bddbc5dc995a87 |
completed | March 8, 2026, 5:56 p.m. |
| PDg | Predicate description generation | batch_69adb8e4ba948190a9b777cf7f788b96 |
completed | March 8, 2026, 5:59 p.m. |
Created at: March 8, 2026, 3:22 p.m.