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.