Triple
T20903653
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portage Viaduct |
E514734
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object | Portage Bridge (1852) wooden trestle |
—
|
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: Portage Bridge (1852) wooden trestle | Statement: [Portage Viaduct, precededBy, Portage Bridge (1852) wooden trestle]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portage Bridge (1852) wooden trestle Context triple: [Portage Viaduct, precededBy, Portage Bridge (1852) wooden trestle]
-
A.
Portageville railroad trestle
chosen
The Portageville railroad trestle is a historic steel railway bridge spanning the Genesee River gorge in Letchworth State Park in western New York, long noted for its dramatic height and scenic views.
-
B.
Bollman Truss Railroad Bridge
The Bollman Truss Railroad Bridge is a historic 19th-century iron railroad bridge in Savage, Maryland, notable as one of the earliest surviving examples of a cast- and wrought-iron truss bridge in the United States.
-
C.
Mooringsport railroad bridge
The Mooringsport railroad bridge is a historic railway bridge in Mooringsport, Louisiana, notable for its early 20th-century engineering and role in the region’s transportation history.
-
D.
Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
-
E.
Portage Viaduct
Portage Viaduct is a historic railroad bridge spanning the Genesee River gorge in Letchworth State Park in western New York.
- 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_69e0b4f8a1108190bce3d31331290ced |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6e8fe4b808190bbc1bbde7a11f283 |
completed | April 21, 2026, 3:03 a.m. |
Created at: April 16, 2026, 12:47 p.m.