Triple
T12213521
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portage Lake Lift Bridge |
E291025
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object | Portage Lake swing 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 swing bridge | Statement: [Portage Lake Lift Bridge, replaced, Portage Lake swing bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portage Lake swing bridge Context triple: [Portage Lake Lift Bridge, replaced, Portage Lake swing 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.
Wasauksing Swing Bridge
The Wasauksing Swing Bridge is a movable bridge in Ontario, Canada that provides the primary road and rail access between Parry Island (home of the Wasauksing First Nation) and the mainland.
-
D.
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.
-
E.
Crown Point Bridge
Crown Point Bridge is a highway bridge that spans Lake Champlain, connecting Crown Point, New York, with Vermont.
- 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_69d6ab65923081909acfc61b7a612233 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d91c931cec819083ca19be06a33e1c |
completed | April 10, 2026, 3:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6345e63dc81908f711dfb6d3b5a1f |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:51 p.m.