Triple
T6978751
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ambassador Bridge |
E161781
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object | Detroit International Bridge Company |
E633600
|
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: Detroit International Bridge Company | Statement: [Ambassador Bridge, maintainedBy, Detroit International Bridge Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Detroit International Bridge Company Context triple: [Ambassador Bridge, maintainedBy, Detroit International Bridge Company]
-
A.
Detroit International Bridge Company
chosen
Detroit International Bridge Company is a private firm that owns and operates the Ambassador Bridge, a major international crossing between Detroit, Michigan, and Windsor, Ontario.
-
B.
Mackinac Bridge Authority
The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
-
C.
John A. Roebling’s Sons Company
John A. Roebling’s Sons Company was a prominent American wire rope and steel manufacturer best known for producing the cables used in major suspension bridges such as the Brooklyn Bridge.
-
D.
Federal Bridge Corporation (Canada)
The Federal Bridge Corporation (Canada) is a Canadian Crown corporation responsible for owning, operating, and maintaining several major international bridge crossings between Canada and the United States.
-
E.
American Bridge Company
American Bridge Company is a major U.S. engineering and construction firm historically known for building large-scale steel structures such as bridges and skyscrapers.
- 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_69c68855dc0481909b4c7e9e9ed273db |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6db6aa6188190af7656ff4d0e3230 |
completed | March 27, 2026, 7:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c76a0ad57c81909aec9f619dc68bd7 |
completed | March 28, 2026, 5:41 a.m. |
Created at: March 27, 2026, 2:31 p.m.