Triple
T6807992
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | River Tawe |
E156356
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Landore Viaduct
Landore Viaduct is a historic railway bridge in Swansea, Wales, carrying rail traffic across the River Tawe.
|
E630285
|
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: Landore Viaduct | Statement: [River Tawe, hasBridge, Landore Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Landore Viaduct Context triple: [River Tawe, hasBridge, Landore Viaduct]
-
A.
Goyt Viaduct
Goyt Viaduct is a historic railway viaduct in Derbyshire, England, carrying tracks high over the River Goyt as part of the former Midland Railway route.
-
B.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
C.
Meldon Viaduct
Meldon Viaduct is a historic 19th-century wrought-iron railway viaduct in Devon, England, notable for its dramatic height and scenic setting above the West Okement River.
-
D.
Stacksteads Viaduct
Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
-
E.
Boyne Viaduct
Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
- 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: Landore Viaduct Triple: [River Tawe, hasBridge, Landore Viaduct]
Generated description
Landore Viaduct is a historic railway bridge in Swansea, Wales, carrying rail traffic across the River Tawe.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Landore Viaduct Target entity description: Landore Viaduct is a historic railway bridge in Swansea, Wales, carrying rail traffic across the River Tawe.
-
A.
Goyt Viaduct
Goyt Viaduct is a historic railway viaduct in Derbyshire, England, carrying tracks high over the River Goyt as part of the former Midland Railway route.
-
B.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
C.
Meldon Viaduct
Meldon Viaduct is a historic 19th-century wrought-iron railway viaduct in Devon, England, notable for its dramatic height and scenic setting above the West Okement River.
-
D.
Stacksteads Viaduct
Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
-
E.
Boyne Viaduct
Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
- 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_69c68826e6a48190a3d220b541e639de |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d30b56c48190a5b244ea7e0c669a |
completed | March 27, 2026, 6:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7582b5a0c819085e6b8d07d6ab2f7 |
completed | March 28, 2026, 4:25 a.m. |
| NEDg | Description generation | batch_69c75928943881908b7d8e45d4e25cfe |
completed | March 28, 2026, 4:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c759a99b2c8190986ce5bc36502975 |
completed | March 28, 2026, 4:31 a.m. |
Created at: March 27, 2026, 2:16 p.m.