Triple

T2524858
Position Surface form Disambiguated ID Type / Status
Subject South Shore Line E56009 entity
Predicate hasStation P35 FINISHED
Object Hegewisch station
Hegewisch station is a commuter rail stop in Chicago’s Hegewisch neighborhood that serves both the South Shore Line and Metra Electric District, connecting the city with northwest Indiana.
E304251 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: Hegewisch station | Statement: [South Shore Line, hasStation, Hegewisch station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hegewisch station
Context triple: [South Shore Line, hasStation, Hegewisch station]
  • A. Elmhurst station
    Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and downtown Chicago.
  • B. LaSalle/Van Buren station
    LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
  • C. Park Place station
    Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
  • D. Forest Hills station
    Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
  • E. Bloomfield Avenue station
    Bloomfield Avenue station is a light rail stop on the Newark Light Rail system in Newark, New Jersey, serving local commuters along the Bloomfield Avenue corridor.
  • 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: Hegewisch station
Triple: [South Shore Line, hasStation, Hegewisch station]
Generated description
Hegewisch station is a commuter rail stop in Chicago’s Hegewisch neighborhood that serves both the South Shore Line and Metra Electric District, connecting the city with northwest Indiana.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hegewisch station
Target entity description: Hegewisch station is a commuter rail stop in Chicago’s Hegewisch neighborhood that serves both the South Shore Line and Metra Electric District, connecting the city with northwest Indiana.
  • A. Elmhurst station
    Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and downtown Chicago.
  • B. LaSalle/Van Buren station
    LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
  • C. Park Place station
    Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
  • D. Forest Hills station
    Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
  • E. Bloomfield Avenue station
    Bloomfield Avenue station is a light rail stop on the Newark Light Rail system in Newark, New Jersey, serving local commuters along the Bloomfield Avenue corridor.
  • 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_69ab4a48e4f081908f1218d244608659 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd252f1c88190ac93604542f80f49 completed March 7, 2026, 7:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe88162bc81909db9a626747a2580 completed March 10, 2026, 9:46 a.m.
NEDg Description generation batch_69afe9679c8c8190bde4584320918f0e completed March 10, 2026, 9:50 a.m.
NED2 Entity disambiguation (via description) batch_69b00ed5eaf88190826c45cc1d7d0ed6 completed March 10, 2026, 12:30 p.m.
Created at: March 6, 2026, 9:46 p.m.