Triple

T3472447
Position Surface form Disambiguated ID Type / Status
Subject Chicago Sanitary and Ship Canal E73293 entity
Predicate connectsTo P845 FINISHED
Object Calumet-Sag Channel (via Illinois Waterway system)
The Calumet-Sag Channel is a man-made waterway in northeastern Illinois that links the Calumet River system to the Des Plaines River as part of the larger Illinois Waterway navigation network.
 E361417 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: Calumet-Sag Channel (via Illinois Waterway system) | Statement: [Chicago Sanitary and Ship Canal, connectsTo, Calumet-Sag Channel (via Illinois Waterway system)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Calumet-Sag Channel (via Illinois Waterway system)
Context triple: [Chicago Sanitary and Ship Canal, connectsTo, Calumet-Sag Channel (via Illinois Waterway system)]
  • A. Illinois Waterway system
    The Illinois Waterway system is a network of rivers, canals, and locks in Illinois that provides a vital navigable link between the Great Lakes and the Mississippi River.
  • B. Inland Waterway (Michigan)
    Inland Waterway (Michigan) is a connected chain of rivers and lakes in northern Michigan popular for boating, fishing, and scenic recreation.
  • C. 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.
  • D. Chicago Harbors system
    The Chicago Harbors system is a network of public harbors and marinas along Chicago’s Lake Michigan shoreline that provides docking, mooring, and boating services.
  • E. 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.
  • 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: Calumet-Sag Channel (via Illinois Waterway system)
Triple: [Chicago Sanitary and Ship Canal, connectsTo, Calumet-Sag Channel (via Illinois Waterway system)]
Generated description
The Calumet-Sag Channel is a man-made waterway in northeastern Illinois that links the Calumet River system to the Des Plaines River as part of the larger Illinois Waterway navigation network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Calumet-Sag Channel (via Illinois Waterway system)
Target entity description: The Calumet-Sag Channel is a man-made waterway in northeastern Illinois that links the Calumet River system to the Des Plaines River as part of the larger Illinois Waterway navigation network.
  • A. Illinois Waterway system
    The Illinois Waterway system is a network of rivers, canals, and locks in Illinois that provides a vital navigable link between the Great Lakes and the Mississippi River.
  • B. Inland Waterway (Michigan)
    Inland Waterway (Michigan) is a connected chain of rivers and lakes in northern Michigan popular for boating, fishing, and scenic recreation.
  • C. 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.
  • D. Chicago Harbors system
    The Chicago Harbors system is a network of public harbors and marinas along Chicago’s Lake Michigan shoreline that provides docking, mooring, and boating services.
  • E. 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.
  • 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_69ad85b2fed48190948c8765e453d270 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adbb3cc8488190b97c732e3f600a90 completed March 8, 2026, 6:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69b36810958c81908982e0ef996dc480 completed March 13, 2026, 1:27 a.m.
NEDg Description generation batch_69b368b4e504819094ca0adbdbe7bfd9 completed March 13, 2026, 1:30 a.m.
NED2 Entity disambiguation (via description) batch_69b3693a8d6481909dadce4ac6109ff3 completed March 13, 2026, 1:32 a.m.
Created at: March 8, 2026, 3:17 p.m.