Triple

T11698792
Position Surface form Disambiguated ID Type / Status
Subject Michigan City 11th Street station E278065 entity
Predicate isIntermediateStopOn P24280 FINISHED
Object South Shore Line Chicago–South Bend route E56009 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: South Shore Line Chicago–South Bend route | Statement: [Michigan City 11th Street station, isIntermediateStopOn, South Shore Line Chicago–South Bend route]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Shore Line Chicago–South Bend route
Context triple: [Michigan City 11th Street station, isIntermediateStopOn, South Shore Line Chicago–South Bend route]
  • A. South Shore Line chosen
    The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
  • B. Chicago–South Bend corridor
    The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
  • C. 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.
  • D. North Shore Line
    North Shore Line was an interurban electric railway that operated between Chicago and Milwaukee, known for its high-speed service and distinctive green-and-cream trains.
  • E. Chicago–Joliet corridor
    The Chicago–Joliet corridor is a major commuter and freight rail route in northeastern Illinois connecting the city of Chicago with the city of Joliet through multiple suburban communities.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: isIntermediateStopOn
Context triple: [Michigan City 11th Street station, isIntermediateStopOn, South Shore Line Chicago–South Bend route]
  • A. hasIntermediateStation chosen
    Indicates that a route, journey, or connection includes a station that lies between its starting point and its final destination.
  • B. numberOfIntermediateStops
    Indicates the count of stops or pauses that occur between the starting point and the final destination in a journey or process.
  • C. hasIntermediateCity
    Indicates that there is a city located between two other places along a route or connection.
  • D. isStopoverSiteFor
    Indicates that a location serves as a temporary stopping or resting point along the route or journey of another entity.
  • E. hasStopNear
    Indicates that one entity has a stop or stopping point located in close proximity to another entity.
  • F. None of above.

Provenance (4 batches)

Stage Batch ID Job type Status
creating batch_69d6aafe02d881909900d54ad7d4af84 elicitation completed
NER batch_69d8a47df68c81908a91919a69b4880d ner completed
NED1 batch_69f48a027dec8190aea103f0974186b0 ned_source_triple completed
PD batch_69d88a7b30948190b616a9db5c5488d5 pd completed
Created at: April 8, 2026, 9:40 p.m.