Triple

T15737874
Position Surface form Disambiguated ID Type / Status
Subject Stadion metro station E381520 entity
Predicate ticketSystem P25925 FINISHED
Object SL smartcard system
The SL smartcard system is Stockholm's contactless fare payment system used across its public transport network, including the metro, buses, and commuter trains.
 E1173790 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: SL smartcard system | Statement: [Stadion metro station, ticketSystem, SL smartcard system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SL smartcard system
Context triple: [Stadion metro station, ticketSystem, SL smartcard system]
  • A. Freedom Card smart card
    The Freedom Card smart card is a contactless fare payment card used by riders of the PATCO Speedline rapid transit system in the Philadelphia–South Jersey region.
  • B. Rav-Kav smart card
    The Rav-Kav smart card is Israel’s nationwide rechargeable contactless fare card used for public transportation across buses, trains, and light rail systems.
  • C. Super Urban Intelligent Card
    Super Urban Intelligent Card is the full name behind the acronym "Suica," a rechargeable contactless smart card system used primarily for public transportation and electronic payments in Japan.
  • D. Yikatong contactless smart card
    The Yikatong contactless smart card is a rechargeable stored-value card widely used for seamless fare payment across Beijing’s public transportation network.
  • E. OPUS card
    The OPUS card is a reusable, contactless smart card used for public transit fare payment across the greater Montreal area and other regions in Quebec.
  • 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: SL smartcard system
Triple: [Stadion metro station, ticketSystem, SL smartcard system]
Generated description
The SL smartcard system is Stockholm's contactless fare payment system used across its public transport network, including the metro, buses, and commuter trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SL smartcard system
Target entity description: The SL smartcard system is Stockholm's contactless fare payment system used across its public transport network, including the metro, buses, and commuter trains.
  • A. Freedom Card smart card
    The Freedom Card smart card is a contactless fare payment card used by riders of the PATCO Speedline rapid transit system in the Philadelphia–South Jersey region.
  • B. Rav-Kav smart card
    The Rav-Kav smart card is Israel’s nationwide rechargeable contactless fare card used for public transportation across buses, trains, and light rail systems.
  • C. Super Urban Intelligent Card
    Super Urban Intelligent Card is the full name behind the acronym "Suica," a rechargeable contactless smart card system used primarily for public transportation and electronic payments in Japan.
  • D. Yikatong contactless smart card
    The Yikatong contactless smart card is a rechargeable stored-value card widely used for seamless fare payment across Beijing’s public transportation network.
  • E. OPUS card
    The OPUS card is a reusable, contactless smart card used for public transit fare payment across the greater Montreal area and other regions in Quebec.
  • 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_69d86d9cdb648190bf3171be0bd7d872 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e04fd6eb888190b7a9b07b76e62c0d completed April 16, 2026, 2:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff830336248190a8bbd8153dd95daa completed May 9, 2026, 6:54 p.m.
NEDg Description generation batch_69ff83ca33d08190816130bf2ea735df completed May 9, 2026, 6:58 p.m.
NED2 Entity disambiguation (via description) batch_69ff8469354c819080b8cfddb7c66be5 completed May 9, 2026, 7 p.m.
Created at: April 10, 2026, 4:46 a.m.