Triple

T7056110
Position Surface form Disambiguated ID Type / Status
Subject Cathays railway station E164094 entity
Predicate railwayLine P848 FINISHED
Object City Line
City Line is a suburban railway route serving various districts within Cardiff, Wales, as part of the local commuter rail network.
 E638362 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: City Line | Statement: [Cathays railway station, railwayLine, City Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: City Line
Context triple: [Cathays railway station, railwayLine, City Line]
  • A. City Line
    City Line is a residential neighborhood in eastern Brooklyn, New York City, located near the borough’s border with Queens.
  • B. City Line
    City Line is a suburban and regional rail route serving Liverpool and surrounding areas as part of the Merseyrail and wider North West rail network.
  • C. Southern Line
    The Southern Line is a key suburban rail route in Auckland, New Zealand, connecting central Auckland with southern suburbs and towns.
  • D. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • E. EverLine
    EverLine is an automated light rail transit line serving the city of Yongin in the Seoul Capital Area, connecting local districts to the broader Seoul Metropolitan Subway network.
  • 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: City Line
Triple: [Cathays railway station, railwayLine, City Line]
Generated description
City Line is a suburban railway route serving various districts within Cardiff, Wales, as part of the local commuter rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: City Line
Target entity description: City Line is a suburban railway route serving various districts within Cardiff, Wales, as part of the local commuter rail network.
  • A. City Line
    City Line is a residential neighborhood in eastern Brooklyn, New York City, located near the borough’s border with Queens.
  • B. City Line
    City Line is a suburban and regional rail route serving Liverpool and surrounding areas as part of the Merseyrail and wider North West rail network.
  • C. Southern Line
    The Southern Line is a key suburban rail route in Auckland, New Zealand, connecting central Auckland with southern suburbs and towns.
  • D. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • E. EverLine
    EverLine is an automated light rail transit line serving the city of Yongin in the Seoul Capital Area, connecting local districts to the broader Seoul Metropolitan Subway network.
  • 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_69c68861678881909961ddf4d779f750 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e269050c81908c186609a8a7bcf9 completed March 27, 2026, 8:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69c788a303148190869be2a455d28791 completed March 28, 2026, 7:52 a.m.
NEDg Description generation batch_69c7892a387c8190856eac695fbcfb02 completed March 28, 2026, 7:54 a.m.
NED2 Entity disambiguation (via description) batch_69c789bc4fa081908cf40ec8ff189b90 completed March 28, 2026, 7:56 a.m.
Created at: March 27, 2026, 2:38 p.m.