Triple
T21275099
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dent Head Viaduct |
E524367
|
entity |
| Predicate | designer |
P184
|
FINISHED |
| Object | Midland Railway engineers |
—
|
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: Midland Railway engineers | Statement: [Dent Head Viaduct, designer, Midland Railway engineers]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midland Railway engineers Context triple: [Dent Head Viaduct, designer, Midland Railway engineers]
-
A.
Midland Railway Carriage and Wagon Works
Midland Railway Carriage and Wagon Works was a prominent British railway rolling stock manufacturer based in Derby, known for producing carriages and wagons for the Midland Railway and other rail companies in the late 19th and early 20th centuries.
-
B.
Midland Railway
chosen
Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
-
C.
Midland Great Western Railway
The Midland Great Western Railway was a major 19th- and early 20th-century Irish railway company that operated extensive routes across the west and northwest of Ireland, including services to towns such as Ballina.
-
D.
Midland Railway Northern Counties Committee
The Midland Railway Northern Counties Committee was a railway company that operated and managed lines in the north of Ireland, particularly in what is now Northern Ireland, during the late 19th and early 20th centuries.
-
E.
Midland and South Western Junction Railway
The Midland and South Western Junction Railway was a former cross-country railway in England that linked the Midlands with the south coast, notably connecting Cheltenham to Southampton via Swindon.
- 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_69e0b516293c819089458ea2ec85f85e |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7365627a081908caea09097cca354 |
completed | April 21, 2026, 8:33 a.m. |
Created at: April 16, 2026, 4:01 p.m.