Triple

T3486574
Position Surface form Disambiguated ID Type / Status
Subject Port of Duluth-Superior E73620 entity
Predicate operatedBy P86 FINISHED
Object Duluth Seaway Port Authority
The Duluth Seaway Port Authority is the public agency that manages and promotes the Port of Duluth-Superior, a major Great Lakes and inland seaport for cargo shipping and maritime commerce.
E73620 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: Duluth Seaway Port Authority | Statement: [Port of Duluth-Superior, operatedBy, Duluth Seaway Port Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Duluth Seaway Port Authority
Context triple: [Port of Duluth-Superior, operatedBy, Duluth Seaway Port Authority]
  • A. Port of Duluth-Superior
    The Port of Duluth-Superior is a major Great Lakes and inland seaport complex handling bulk cargoes such as iron ore, coal, and grain, serving as a key transportation hub for the Upper Midwest.
  • B. 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.
  • C. 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.
  • D. Northwest Seaport Alliance
    The Northwest Seaport Alliance is a marine cargo operating partnership between the ports of Seattle and Tacoma that functions as a major container gateway for trade in the Pacific Northwest.
  • E. Great Lakes port system
    The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
  • 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: Duluth Seaway Port Authority
Triple: [Port of Duluth-Superior, operatedBy, Duluth Seaway Port Authority]
Generated description
The Duluth Seaway Port Authority is the public agency that manages and promotes the Port of Duluth-Superior, a major Great Lakes and inland seaport for cargo shipping and maritime commerce.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Duluth Seaway Port Authority
Target entity description: The Duluth Seaway Port Authority is the public agency that manages and promotes the Port of Duluth-Superior, a major Great Lakes and inland seaport for cargo shipping and maritime commerce.
  • A. Port of Duluth-Superior chosen
    The Port of Duluth-Superior is a major Great Lakes and inland seaport complex handling bulk cargoes such as iron ore, coal, and grain, serving as a key transportation hub for the Upper Midwest.
  • B. 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.
  • C. 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.
  • D. Northwest Seaport Alliance
    The Northwest Seaport Alliance is a marine cargo operating partnership between the ports of Seattle and Tacoma that functions as a major container gateway for trade in the Pacific Northwest.
  • E. Great Lakes port system
    The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
  • F. None of above.

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_69ad85cca8d4819088494e9f3340fab5 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbb9059f881908f9cbe544365c8df completed March 8, 2026, 6:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69b368248f9c81908a1905a705e57c53 completed March 13, 2026, 1:28 a.m.
NEDg Description generation batch_69b36a2231008190820b0c50ad2d661a completed March 13, 2026, 1:36 a.m.
NED2 Entity disambiguation (via description) batch_69b36a8dae1481908b10a966ebcf89b2 completed March 13, 2026, 1:38 a.m.
Created at: March 8, 2026, 3:18 p.m.