Triple
T17807299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canton, Massachusetts |
E444599
|
entity |
| Predicate | hasHistoricSite |
P1098
|
FINISHED |
| Object | Canton Viaduct |
—
|
NE NERFINISHED |
How this triple was built (2 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.
Canton Viaduct
chosen
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.
-
B.
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.
-
C.
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.
-
D.
Newbattle Viaduct
Newbattle Viaduct is a historic multi-arched railway bridge in Midlothian, Scotland, carrying trains across the River South Esk on the former Waverley Line.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9efe370819095cd219b143ae727 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e488044cdc8190a09a2265c8a86475 |
completed | April 19, 2026, 7:45 a.m. |
Created at: April 10, 2026, 10:14 a.m.