Triple
T19208124
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hengoed |
E480288
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Hengoed Viaduct
Hengoed Viaduct is a historic multi-arched railway viaduct in Hengoed, Wales, notable for its impressive stone construction and role in the region’s industrial-era rail network.
|
E1370484
|
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: Hengoed Viaduct | Statement: [Hengoed, hasStructure, Hengoed Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hengoed Viaduct Context triple: [Hengoed, hasStructure, Hengoed Viaduct]
-
A.
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.
-
B.
Chirk Viaduct
Chirk Viaduct is a historic multi-arched railway viaduct in Wales that carries trains across the River Ceiriog near the England–Wales border.
-
C.
Landore Viaduct
Landore Viaduct is a historic railway bridge in Swansea, Wales, carrying rail traffic across the River Tawe.
-
D.
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.
-
E.
Shankend Viaduct
Shankend Viaduct is a historic multi-arched railway viaduct in the Scottish Borders, formerly carrying trains on the Waverley Route between Edinburgh and Carlisle.
- 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: Hengoed Viaduct Triple: [Hengoed, hasStructure, Hengoed Viaduct]
Generated description
Hengoed Viaduct is a historic multi-arched railway viaduct in Hengoed, Wales, notable for its impressive stone construction and role in the region’s industrial-era rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hengoed Viaduct Target entity description: Hengoed Viaduct is a historic multi-arched railway viaduct in Hengoed, Wales, notable for its impressive stone construction and role in the region’s industrial-era rail network.
-
A.
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.
-
B.
Chirk Viaduct
Chirk Viaduct is a historic multi-arched railway viaduct in Wales that carries trains across the River Ceiriog near the England–Wales border.
-
C.
Landore Viaduct
Landore Viaduct is a historic railway bridge in Swansea, Wales, carrying rail traffic across the River Tawe.
-
D.
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.
-
E.
Shankend Viaduct
Shankend Viaduct is a historic multi-arched railway viaduct in the Scottish Borders, formerly carrying trains on the Waverley Route between Edinburgh and Carlisle.
- 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_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5f99e9f8c8190b73db55f3f8bbf20 |
completed | April 20, 2026, 10:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a071bc876348190b83b95342108acfe |
completed | May 15, 2026, 1:12 p.m. |
| NEDg | Description generation | batch_6a071d97aacc8190a44ccba2aee58d77 |
completed | May 15, 2026, 1:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a071de35b9081908d1b6e797cbe69ce |
completed | May 15, 2026, 1:21 p.m. |
Created at: April 10, 2026, 1:20 p.m.