Triple
T14703953
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Black Diamond |
E345375
|
entity |
| Predicate | operatedOn |
P2572
|
FINISHED |
| Object |
Stockton–Darlington line
The Stockton–Darlington line was the world’s first public railway to use steam locomotives, marking a key milestone in the early development of rail transport in England.
|
E1115794
|
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: Stockton–Darlington line | Statement: [Black Diamond, operatedOn, Stockton–Darlington line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stockton–Darlington line Context triple: [Black Diamond, operatedOn, Stockton–Darlington line]
-
A.
Tyne Dock–Consett line
The Tyne Dock–Consett line was a former heavy freight and passenger railway in northeast England that primarily served the iron and steel industries around Consett by linking them to the port facilities at Tyne Dock.
-
B.
Bishop Auckland–Darlington line
The Bishop Auckland–Darlington line is a railway route in County Durham, England, historically part of the North Eastern Railway and serving as a local connector between the town of Bishop Auckland and the larger rail hub at Darlington.
-
C.
Manchester–Blackburn line
The Manchester–Blackburn line is a railway route in North West England that connects Manchester with Blackburn via intermediate towns such as Bolton.
-
D.
Wigan–Southport line
The Wigan–Southport line is a regional railway route in North West England linking the inland town of Wigan with the coastal resort of Southport.
-
E.
Manchester–Stoke-on-Trent line
The Manchester–Stoke-on-Trent line is a key railway route in North West England linking Manchester with Stoke-on-Trent and serving several intermediate towns and commuter communities.
- 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: Stockton–Darlington line Triple: [Black Diamond, operatedOn, Stockton–Darlington line]
Generated description
The Stockton–Darlington line was the world’s first public railway to use steam locomotives, marking a key milestone in the early development of rail transport in England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stockton–Darlington line Target entity description: The Stockton–Darlington line was the world’s first public railway to use steam locomotives, marking a key milestone in the early development of rail transport in England.
-
A.
Tyne Dock–Consett line
The Tyne Dock–Consett line was a former heavy freight and passenger railway in northeast England that primarily served the iron and steel industries around Consett by linking them to the port facilities at Tyne Dock.
-
B.
Bishop Auckland–Darlington line
The Bishop Auckland–Darlington line is a railway route in County Durham, England, historically part of the North Eastern Railway and serving as a local connector between the town of Bishop Auckland and the larger rail hub at Darlington.
-
C.
Manchester–Blackburn line
The Manchester–Blackburn line is a railway route in North West England that connects Manchester with Blackburn via intermediate towns such as Bolton.
-
D.
Wigan–Southport line
The Wigan–Southport line is a regional railway route in North West England linking the inland town of Wigan with the coastal resort of Southport.
-
E.
Manchester–Stoke-on-Trent line
The Manchester–Stoke-on-Trent line is a key railway route in North West England linking Manchester with Stoke-on-Trent and serving several intermediate towns and commuter communities.
- 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_69d822e4a8c08190a155df736bb7bc13 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69deb6071e5c8190bb5509c859135c2d |
completed | April 14, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fdf0861c308190af0b5da403ecb321 |
completed | May 8, 2026, 2:17 p.m. |
| NEDg | Description generation | batch_69fdf368782c8190825247435eab2045 |
completed | May 8, 2026, 2:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fdf3fe50ac8190ad5529427472eda3 |
completed | May 8, 2026, 2:32 p.m. |
Created at: April 10, 2026, 1:28 a.m.