Triple
T12445959
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keweenaw Waterway |
E297397
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object | Portage Lake Lift Bridge |
E291025
|
NE FINISHED |
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 Lake Lift Bridge | Statement: [Keweenaw Waterway, crossedBy, Portage Lake Lift Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portage Lake Lift Bridge Context triple: [Keweenaw Waterway, crossedBy, Portage Lake Lift Bridge]
-
A.
Portage Lake Lift Bridge
chosen
The Portage Lake Lift Bridge is a prominent vertical-lift bridge in Michigan’s Upper Peninsula that connects the cities of Houghton and Hancock across the Keweenaw Waterway.
-
B.
Sault Ste. Marie Canal Swing Bridge
The Sault Ste. Marie Canal Swing Bridge is a historic movable bridge in Sault Ste. Marie, Ontario, that carries road and rail traffic across the canal near the St. Marys River.
-
C.
Duluth Aerial Lift Bridge
The Duluth Aerial Lift Bridge is a historic vertical-lift bridge in Duluth, Minnesota, that spans the Duluth Ship Canal and serves as an iconic landmark of the city’s harbor.
-
D.
Algonquin Bridge
Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park system.
-
E.
Whirlpool Rapids Bridge
Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ada166c48190b902972cd2408fa3 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d90f18c819083a36ff4b9be4a20 |
completed | April 10, 2026, 7:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f63f132d048190b58a8381bdc74cad |
completed | May 2, 2026, 6:14 p.m. |
Created at: April 8, 2026, 9:56 p.m.