Triple
T1827203
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Coast Main Line |
E40678
|
entity |
| Predicate | notableStructure |
P1544
|
FINISHED |
| Object |
Digswell Viaduct
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
|
E252432
|
NE FINISHED |
How this triple was built (4 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: Digswell Viaduct | Statement: [East Coast Main Line, notableStructure, Digswell Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Digswell Viaduct Context triple: [East Coast Main Line, notableStructure, Digswell Viaduct]
-
A.
Thelwall Viaduct
Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
-
B.
Ribblehead Viaduct
Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
-
C.
Trowse Swing Bridge
Trowse Swing Bridge is a movable railway bridge near Norwich in Norfolk, England, that carries trains over the River Yare and swings open to allow river traffic to pass.
-
D.
Bakewell Bridge
Bakewell Bridge is a historic stone bridge spanning the River Wye in the market town of Bakewell in Derbyshire, England.
-
E.
Leatherhead Bridge
Leatherhead Bridge is a historic road bridge spanning the River Mole in Leatherhead, Surrey, England.
- 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: Digswell Viaduct Triple: [East Coast Main Line, notableStructure, Digswell Viaduct]
Generated description
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Digswell Viaduct Target entity description: Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
-
A.
Thelwall Viaduct
Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
-
B.
Ribblehead Viaduct
Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
-
C.
Trowse Swing Bridge
Trowse Swing Bridge is a movable railway bridge near Norwich in Norfolk, England, that carries trains over the River Yare and swings open to allow river traffic to pass.
-
D.
Bakewell Bridge
Bakewell Bridge is a historic stone bridge spanning the River Wye in the market town of Bakewell in Derbyshire, England.
-
E.
Leatherhead Bridge
Leatherhead Bridge is a historic road bridge spanning the River Mole in Leatherhead, Surrey, England.
- 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_69a8864644bc8190b2358ab897194ac1 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb01022108190b1da05a31454ab8d |
completed | March 7, 2026, 4:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae7edf084881908bb8db8e0348bfc8 |
completed | March 9, 2026, 8:03 a.m. |
| NEDg | Description generation | batch_69ae7faa64e48190b82e48165a931598 |
completed | March 9, 2026, 8:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae801a87a88190ae461ca164b358a4 |
completed | March 9, 2026, 8:08 a.m. |
Created at: March 4, 2026, 7:32 p.m.