Triple
T7133030
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canton, Massachusetts |
E166236
|
entity |
| Predicate | hasHistoricSite |
P1098
|
FINISHED |
| Object |
Canton Viaduct
Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
|
E643939
|
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: Canton Viaduct | Statement: [Canton, Massachusetts, hasHistoricSite, Canton Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canton Viaduct Context triple: [Canton, Massachusetts, hasHistoricSite, Canton 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.
Tinsley Viaduct
Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
-
C.
Linn Cove Viaduct
Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
-
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.
Arten Gill Viaduct
Arten Gill Viaduct is a historic stone railway viaduct in Cumbria, England, carrying trains across Arten Gill in the scenic Yorkshire Dales.
- 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: Canton Viaduct Triple: [Canton, Massachusetts, hasHistoricSite, Canton Viaduct]
Generated description
Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Canton Viaduct Target entity description: Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
-
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.
Tinsley Viaduct
Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
-
C.
Linn Cove Viaduct
Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
-
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.
Arten Gill Viaduct
Arten Gill Viaduct is a historic stone railway viaduct in Cumbria, England, carrying trains across Arten Gill in the scenic Yorkshire Dales.
- 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_69c68884a9388190af42f90d1c1a7151 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e6703ad88190a498665500fee5a1 |
completed | March 27, 2026, 8:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7a341ede88190b43f26f1dad7bf70 |
completed | March 28, 2026, 9:45 a.m. |
| NEDg | Description generation | batch_69c7a41986308190ac540663ddfd6802 |
completed | March 28, 2026, 9:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7a4be1cbc8190a7e4eb91d604f994 |
completed | March 28, 2026, 9:51 a.m. |
Created at: March 27, 2026, 2:45 p.m.