Triple
T2255113
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mackinac Bridge |
E49703
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object |
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.
|
E249011
|
NE FINISHED |
How this triple was built (4 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: Mackinac Bridge Authority | Statement: [Mackinac Bridge, maintainedBy, Mackinac Bridge Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mackinac Bridge Authority Context triple: [Mackinac Bridge, maintainedBy, Mackinac Bridge Authority]
-
A.
Saint Lawrence Seaway Development Corporation
The Saint Lawrence Seaway Development Corporation is a U.S. federal agency responsible for operating and maintaining the American portion of the St. Lawrence Seaway, a key commercial shipping route connecting the Great Lakes to the Atlantic Ocean.
-
B.
Mackinac Bridge
The Mackinac Bridge is a major suspension bridge in Michigan that connects the state's Upper and Lower Peninsulas and is one of the longest suspension bridges in the world.
-
C.
Mackinac Bridge Historic District
The Mackinac Bridge Historic District is a historically significant area at the Straits of Mackinac in Michigan that preserves maritime, transportation, and architectural heritage associated with the Mackinac Bridge and surrounding shoreline.
-
D.
Michigan Department of Transportation
The Michigan Department of Transportation is the state government agency responsible for planning, building, and maintaining Michigan’s transportation infrastructure, including its highways, bridges, and public transit systems.
-
E.
St. Lawrence Seaway Management Corporation
The St. Lawrence Seaway Management Corporation is the Canadian, not-for-profit entity responsible for operating and maintaining the Canadian portions of the St. Lawrence Seaway, a key binational commercial shipping route between the Great Lakes and the Atlantic Ocean.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Mackinac Bridge Authority Triple: [Mackinac Bridge, maintainedBy, Mackinac Bridge Authority]
Generated description
The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mackinac Bridge Authority Target entity description: The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
-
A.
Saint Lawrence Seaway Development Corporation
The Saint Lawrence Seaway Development Corporation is a U.S. federal agency responsible for operating and maintaining the American portion of the St. Lawrence Seaway, a key commercial shipping route connecting the Great Lakes to the Atlantic Ocean.
-
B.
Mackinac Bridge
The Mackinac Bridge is a major suspension bridge in Michigan that connects the state's Upper and Lower Peninsulas and is one of the longest suspension bridges in the world.
-
C.
Mackinac Bridge Historic District
The Mackinac Bridge Historic District is a historically significant area at the Straits of Mackinac in Michigan that preserves maritime, transportation, and architectural heritage associated with the Mackinac Bridge and surrounding shoreline.
-
D.
Michigan Department of Transportation
The Michigan Department of Transportation is the state government agency responsible for planning, building, and maintaining Michigan’s transportation infrastructure, including its highways, bridges, and public transit systems.
-
E.
St. Lawrence Seaway Management Corporation
The St. Lawrence Seaway Management Corporation is the Canadian, not-for-profit entity responsible for operating and maintaining the Canadian portions of the St. Lawrence Seaway, a key binational commercial shipping route between the Great Lakes and the Atlantic Ocean.
- F. None of above. chosen
Provenance (5 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_69a88aaa9250819095e127d0d77e8a32 |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc121af78819085b2e601d2f9bcdf |
completed | March 7, 2026, 6:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6b1fc8808190aebc534ea5adb534 |
completed | March 9, 2026, 6:39 a.m. |
| NEDg | Description generation | batch_69ae6c87e3108190bc3852b3ebdba45a |
completed | March 9, 2026, 6:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae6d0f723c8190bf0f91dad961e377 |
completed | March 9, 2026, 6:47 a.m. |
Created at: March 4, 2026, 7:47 p.m.