Triple

T17118643
Position Surface form Disambiguated ID Type / Status
Subject Helsinki public transport network E415404 entity
Predicate hasTramOperator P80172 FINISHED
Object Metropolitan Area Transport Ltd E1250909 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: Metropolitan Area Transport Ltd | Statement: [Helsinki public transport network, hasTramOperator, Metropolitan Area Transport Ltd]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan Area Transport Ltd
Context triple: [Helsinki public transport network, hasTramOperator, Metropolitan Area Transport Ltd]
  • A. Metropolitan Area Transport Ltd chosen
    Metropolitan Area Transport Ltd is a public transit company responsible for operating the M200 series trains within its metropolitan rail network.
  • B. London Underground Limited
    London Underground Limited is the company responsible for operating and managing the London Underground metro network.
  • C. London Passenger Transport Board
    The London Passenger Transport Board was the public body that managed and coordinated most of the capital’s bus, tram, trolleybus, and underground rail services in London from the 1930s until the late 1940s.
  • D. London Transport Board
    The London Transport Board was the public body responsible for operating and overseeing most of the public transport system in Greater London from the early 1960s until the creation of the Greater London Council’s transport authority.
  • E. Underground Electric Railways Company of London
    The Underground Electric Railways Company of London was the early 20th-century holding company that developed and operated much of London's deep-level tube network, forming the core of what became the London Underground.
  • 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: hasTramOperator
Context triple: [Helsinki public transport network, hasTramOperator, Metropolitan Area Transport Ltd]
  • A. hasBusOperator
    Indicates that a bus service, route, or vehicle is operated or managed by a specific operator or company.
  • B. tramOperator chosen
    Indicates that one entity operates, manages, or runs tram services for another entity or area.
  • C. trainOperator
    Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
  • D. hasTramTrainLine
    Indicates that there exists a tram-train line connection or service linking the related entities.
  • E. hasTramway
    Indicates that a location or area is served by, contains, or is connected to a tramway system.
  • 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_69d886d090cc8190a39cb94992586905 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3e8086a388190a655a044feccab14 completed April 18, 2026, 8:22 p.m.
NED1 Entity disambiguation (via context triple) batch_6a01482766508190b2af157bf039000d completed May 11, 2026, 3:08 a.m.
PD Predicate disambiguation batch_69e35d6b1b988190a8d6b6fe78c35e59 completed April 18, 2026, 10:31 a.m.
Created at: April 10, 2026, 5:35 a.m.