Triple

T3686932
Position Surface form Disambiguated ID Type / Status
Subject Calumet Region E78246 entity
Predicate containsPort P35 FINISHED
Object Indiana Harbor and Ship Canal
Indiana Harbor and Ship Canal is a major industrial waterway in northwest Indiana that serves as a key shipping and steel-production hub on the southern shore of Lake Michigan.
E380347 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: Indiana Harbor and Ship Canal | Statement: [Calumet Region, containsPort, Indiana Harbor and Ship Canal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Indiana Harbor and Ship Canal
Context triple: [Calumet Region, containsPort, Indiana Harbor and Ship Canal]
  • A. Chicago Sanitary and Ship Canal
    The Chicago Sanitary and Ship Canal is a man-made waterway in Illinois that reverses the flow of the Chicago River, diverts wastewater away from Lake Michigan, and serves as a key navigation link between the Great Lakes and the Mississippi River system.
  • B. Champlain Canal
    The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
  • C. Duluth Ship Canal
    The Duluth Ship Canal is a man-made waterway in Duluth, Minnesota, that provides access between Lake Superior and the Duluth–Superior Harbor for large commercial and recreational vessels.
  • D. Indiana Central Canal
    The Indiana Central Canal is a historic 19th-century waterway in Indiana, now largely preserved as an urban waterfront and recreational trail, especially through downtown Indianapolis.
  • E. Corpus Christi Ship Channel
    The Corpus Christi Ship Channel is a major deep-draft navigation route on the Texas Gulf Coast that connects the Port of Corpus Christi to the Gulf of Mexico, supporting significant commercial shipping and energy exports.
  • 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: Indiana Harbor and Ship Canal
Triple: [Calumet Region, containsPort, Indiana Harbor and Ship Canal]
Generated description
Indiana Harbor and Ship Canal is a major industrial waterway in northwest Indiana that serves as a key shipping and steel-production hub on the southern shore of Lake Michigan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Indiana Harbor and Ship Canal
Target entity description: Indiana Harbor and Ship Canal is a major industrial waterway in northwest Indiana that serves as a key shipping and steel-production hub on the southern shore of Lake Michigan.
  • A. Chicago Sanitary and Ship Canal
    The Chicago Sanitary and Ship Canal is a man-made waterway in Illinois that reverses the flow of the Chicago River, diverts wastewater away from Lake Michigan, and serves as a key navigation link between the Great Lakes and the Mississippi River system.
  • B. Champlain Canal
    The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
  • C. Duluth Ship Canal
    The Duluth Ship Canal is a man-made waterway in Duluth, Minnesota, that provides access between Lake Superior and the Duluth–Superior Harbor for large commercial and recreational vessels.
  • D. Indiana Central Canal
    The Indiana Central Canal is a historic 19th-century waterway in Indiana, now largely preserved as an urban waterfront and recreational trail, especially through downtown Indianapolis.
  • E. Corpus Christi Ship Channel
    The Corpus Christi Ship Channel is a major deep-draft navigation route on the Texas Gulf Coast that connects the Port of Corpus Christi to the Gulf of Mexico, supporting significant commercial shipping and energy exports.
  • 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_69ad85e285a081908f8cbfa9e2ed9b75 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc4c7e2bc81909356c8b0ed90feed completed March 8, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4c3c10f6481908feed99cddc56d47 completed March 14, 2026, 2:11 a.m.
NEDg Description generation batch_69b4c7bd861c8190a1a7887f6d7fd6de completed March 14, 2026, 2:28 a.m.
NED2 Entity disambiguation (via description) batch_69b4c83085488190a48c6e4786d275e2 completed March 14, 2026, 2:30 a.m.
Created at: March 8, 2026, 3:26 p.m.