Triple

T16955771
Position Surface form Disambiguated ID Type / Status
Subject Halsted station (Orange Line) E411296 entity
Predicate servesCorridor P2566 FINISHED
Object Southwest Corridor of Chicago
The Southwest Corridor of Chicago is a transit and development corridor on the city’s Southwest Side that links neighborhoods to downtown via routes such as the CTA Orange Line.
E1242433 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: Southwest Corridor of Chicago | Statement: [Halsted station (Orange Line), servesCorridor, Southwest Corridor of Chicago]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southwest Corridor of Chicago
Context triple: [Halsted station (Orange Line), servesCorridor, Southwest Corridor of Chicago]
  • A. O'Hare–Forest Park corridor
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • B. Chicago park and boulevard system
    The Chicago park and boulevard system is an interconnected network of parks and landscaped boulevards designed to encircle and link neighborhoods throughout Chicago, forming one of the city’s most significant historic urban planning features.
  • C. Heritage Corridor (via Joliet)
    Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
  • D. Chicago–La Grange corridor
    The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
  • E. Cook County industrial corridor
    The Cook County industrial corridor is a designated area in Cook County, Illinois, characterized by a high concentration of manufacturing, warehousing, and other industrial facilities that support the region’s economy.
  • 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: Southwest Corridor of Chicago
Triple: [Halsted station (Orange Line), servesCorridor, Southwest Corridor of Chicago]
Generated description
The Southwest Corridor of Chicago is a transit and development corridor on the city’s Southwest Side that links neighborhoods to downtown via routes such as the CTA Orange Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southwest Corridor of Chicago
Target entity description: The Southwest Corridor of Chicago is a transit and development corridor on the city’s Southwest Side that links neighborhoods to downtown via routes such as the CTA Orange Line.
  • A. O'Hare–Forest Park corridor
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • B. Chicago park and boulevard system
    The Chicago park and boulevard system is an interconnected network of parks and landscaped boulevards designed to encircle and link neighborhoods throughout Chicago, forming one of the city’s most significant historic urban planning features.
  • C. Heritage Corridor (via Joliet)
    Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
  • D. Chicago–La Grange corridor
    The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
  • E. Cook County industrial corridor
    The Cook County industrial corridor is a designated area in Cook County, Illinois, characterized by a high concentration of manufacturing, warehousing, and other industrial facilities that support the region’s economy.
  • 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_69d886c9c9d481909afe222093641cae completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d01bb700819082a441c124be3cb6 completed April 18, 2026, 6:40 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00d4666f14819095fc3bcf5e459b61 completed May 10, 2026, 6:54 p.m.
NEDg Description generation batch_6a00d51835c48190b1a37de6ac25ceaa completed May 10, 2026, 6:57 p.m.
NED2 Entity disambiguation (via description) batch_6a00d59b96108190a0e55f01529a0b64 completed May 10, 2026, 6:59 p.m.
Created at: April 10, 2026, 5:31 a.m.