Triple

T14965748
Position Surface form Disambiguated ID Type / Status
Subject Northbrook, Illinois E373182 entity
Predicate hasRiver P165 FINISHED
Object West Fork of the North Branch Chicago River
The West Fork of the North Branch Chicago River is a suburban waterway in northern Cook County, Illinois, that forms part of the upper reaches of the Chicago River system.
E13146 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: West Fork of the North Branch Chicago River | Statement: [Northbrook, Illinois, hasRiver, West Fork of the North Branch Chicago River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Fork of the North Branch Chicago River
Context triple: [Northbrook, Illinois, hasRiver, West Fork of the North Branch Chicago River]
  • A. Chicago River
    The Chicago River is a historically significant waterway in Chicago known for its engineered reversal of flow, its role in the city’s development, and its iconic green dyeing on St. Patrick’s Day.
  • B. Des Plaines River
    The Des Plaines River is a Midwestern U.S. waterway that flows through southeastern Wisconsin and northeastern Illinois, ultimately joining the Kankakee River to form the Illinois River.
  • C. Waukegan River
    The Waukegan River is a small waterway in northeastern Illinois that flows through the city of Waukegan into Lake Michigan.
  • D. Calumet River
    The Calumet River is an industrially significant waterway in the Chicago metropolitan area that connects Lake Michigan to a network of canals and rivers in Illinois and Indiana.
  • E. Illinois River
    The Illinois River is a scenic tributary of the Rogue River in southwestern Oregon, renowned for its wild and remote canyon, whitewater rafting, and diverse ecosystems within the Klamath-Siskiyou region.
  • 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: West Fork of the North Branch Chicago River
Triple: [Northbrook, Illinois, hasRiver, West Fork of the North Branch Chicago River]
Generated description
The West Fork of the North Branch Chicago River is a suburban waterway in northern Cook County, Illinois, that forms part of the upper reaches of the Chicago River system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Fork of the North Branch Chicago River
Target entity description: The West Fork of the North Branch Chicago River is a suburban waterway in northern Cook County, Illinois, that forms part of the upper reaches of the Chicago River system.
  • A. Chicago River chosen
    The Chicago River is a historically significant waterway in Chicago known for its engineered reversal of flow, its role in the city’s development, and its iconic green dyeing on St. Patrick’s Day.
  • B. Des Plaines River
    The Des Plaines River is a Midwestern U.S. waterway that flows through southeastern Wisconsin and northeastern Illinois, ultimately joining the Kankakee River to form the Illinois River.
  • C. Waukegan River
    The Waukegan River is a small waterway in northeastern Illinois that flows through the city of Waukegan into Lake Michigan.
  • D. Calumet River
    The Calumet River is an industrially significant waterway in the Chicago metropolitan area that connects Lake Michigan to a network of canals and rivers in Illinois and Indiana.
  • E. Illinois River
    The Illinois River is a scenic tributary of the Rogue River in southwestern Oregon, renowned for its wild and remote canyon, whitewater rafting, and diverse ecosystems within the Klamath-Siskiyou region.
  • 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_69d85ccbbcd48190acb56e7cf104d8ad completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded6e2fdcc8190bffe603db3388736 completed April 15, 2026, 12:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe8be122688190b20fe4450786158a completed May 9, 2026, 1:20 a.m.
NEDg Description generation batch_69fe9045dd208190a51e6648c4275ff4 completed May 9, 2026, 1:39 a.m.
NED2 Entity disambiguation (via description) batch_69fe90ec50e081909ab267fee2b069bc completed May 9, 2026, 1:42 a.m.
Created at: April 10, 2026, 2:47 a.m.