Triple

T14433506
Position Surface form Disambiguated ID Type / Status
Subject Metra Heritage Corridor E357893 entity
Predicate namedAfter P63 FINISHED
Object Illinois and Michigan Canal National Heritage Corridor E442128 NE FINISHED

How this triple was built (2 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: Illinois and Michigan Canal National Heritage Corridor | Statement: [Metra Heritage Corridor, namedAfter, Illinois and Michigan Canal National Heritage Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Illinois and Michigan Canal National Heritage Corridor
Context triple: [Metra Heritage Corridor, namedAfter, Illinois and Michigan Canal National Heritage Corridor]
  • A. Illinois and Michigan Canal National Heritage Corridor chosen
    The Illinois and Michigan Canal National Heritage Corridor is a federally designated heritage area in northern Illinois that preserves and interprets the historic canal route that linked the Great Lakes to the Mississippi River and spurred the region’s 19th-century economic development.
  • B. Ohio and Erie Canalway National Heritage Area
    The Ohio and Erie Canalway National Heritage Area is a federally designated corridor in Ohio that preserves and interprets the historic Ohio and Erie Canal and its surrounding cultural, natural, and industrial landscapes.
  • C. Illinois and Michigan Canal
    The Illinois and Michigan Canal is a historic 19th-century waterway in Illinois that linked the Great Lakes to the Mississippi River system, playing a crucial role in the region’s economic development and westward expansion.
  • D. 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.
  • E. Wabash and Erie Canal
    The Wabash and Erie Canal was a 19th-century man-made waterway that connected the Great Lakes to the Ohio River, facilitating transportation and commerce across the Midwest.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d8279402a88190821ffa39ae15bccf completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de91471a648190adb7b283a6a85c3e completed April 14, 2026, 7:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd5bd5b1d08190a89e6f004a94b361 completed May 8, 2026, 3:43 a.m.
Created at: April 10, 2026, 1:18 a.m.