Triple

T4743667
Position Surface form Disambiguated ID Type / Status
Subject Ashland station (Green Line) E105306 entity
Predicate isWithinNetwork P33235 FINISHED
Object CTA rail system E399332 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: CTA rail system | Statement: [Ashland station (Green Line), isWithinNetwork, CTA rail system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA rail system
Context triple: [Ashland station (Green Line), isWithinNetwork, CTA rail system]
  • A. CTA rail network chosen
    The CTA rail network is the rapid transit system serving Chicago and several surrounding suburbs, commonly known as the "L" and consisting of multiple color-coded lines operating on elevated, subway, and at-grade tracks.
  • B. MAX Red Line light rail
    The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
  • C. Metra
    Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
  • D. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • E. Orange Line Metro Train
    Orange Line Metro Train is a rapid transit line in Lahore, Pakistan, forming part of the city’s metro system and providing high-capacity urban rail service.
  • 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: isWithinNetwork
Context triple: [Ashland station (Green Line), isWithinNetwork, CTA rail system]
  • A. isOnNetwork chosen
    Indicates that an entity is currently connected to, accessible through, or operating within a specified network.
  • B. hasRoleInNetwork
    Indicates that an entity holds a specific functional position or responsibility within a particular network.
  • C. basedOnNetwork
    Indicates that something is determined, derived, or operates according to a particular network or network-related characteristics.
  • D. usesTargetNetwork
    Indicates that an entity operates or communicates through a specified target network as its underlying connection or infrastructure.
  • E. canUseNetworkType
    Indicates that an entity is permitted or able to operate using a specified type of network.
  • 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_69bd43ef87a48190a5bc3600711aa032 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd64a85e9c81908e9c7bbbb998953e completed March 20, 2026, 3:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69be5c8e7c74819080b7a5d3995954dd completed March 21, 2026, 8:53 a.m.
PD Predicate disambiguation batch_69bd6221c3b881908604f35f8de6f16b completed March 20, 2026, 3:05 p.m.
Created at: March 20, 2026, 1:19 p.m.