Triple

T9095284
Position Surface form Disambiguated ID Type / Status
Subject Chestnut Hill West station E218002 entity
Predicate isNorthernTerminus P69344 FINISHED
Object Chestnut Hill West Line E28964 NE FINISHED

How this triple was built (3 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: Chestnut Hill West Line | Statement: [Chestnut Hill West station, isNorthernTerminus, Chestnut Hill West Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chestnut Hill West Line
Context triple: [Chestnut Hill West station, isNorthernTerminus, Chestnut Hill West Line]
  • A. Chestnut Hill West Line chosen
    The Chestnut Hill West Line is a commuter rail service in the Philadelphia area that connects Center City with the Chestnut Hill neighborhood.
  • B. Chestnut Hill East Line
    Chestnut Hill East Line is a commuter rail service in the Philadelphia area operated as part of SEPTA’s Regional Rail network.
  • C. Green Line West Branch
    The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
  • D. Lowell Line
    The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
  • E. Medway Valley Line
    The Medway Valley Line is a railway route in Kent, England, running along the River Medway and connecting towns such as Strood, Maidstone and Paddock Wood.
  • 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: isNorthernTerminus
Context triple: [Chestnut Hill West station, isNorthernTerminus, Chestnut Hill West Line]
  • A. northernTerminusConnects chosen
    Indicates that a route, line, or pathway connects to or ends at a specified location at its northernmost terminus.
  • B. northernTerminusCity
    Indicates that one city serves as the northern endpoint or final stop of a route, line, or corridor relative to another location.
  • C. northernTerminusRegion
    Indicates that a location or route has its northern endpoint or final stopping point within a specified region.
  • D. isNorthernmost
    Indicates that one entity is located farther north than all other comparable entities in a given set or region.
  • E. northernTerminusState
    Indicates that a location or route has its northern endpoint or terminus within the specified state.
  • F. None of above.

Provenance (4 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_69ca83d9844081908e561e367fda6d45 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc96b650648190a8f59cee402d12aa completed April 1, 2026, 3:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0478fc0c4819090de2b761804166f completed April 3, 2026, 11:04 p.m.
PD Predicate disambiguation batch_69cc65fc7f408190a5846e29ab3b97e5 completed April 1, 2026, 12:25 a.m.
Created at: March 30, 2026, 7:14 p.m.