Triple

T7394577
Position Surface form Disambiguated ID Type / Status
Subject Oslo Metro Line 1 E170589 entity
Predicate system P730 FINISHED
Object T-bane
T-bane is the rapid transit metro system serving Oslo and parts of its surrounding metropolitan area in Norway.
E661129 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: T-bane | Statement: [Oslo Metro Line 1, system, T-bane]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: T-bane
Context triple: [Oslo Metro Line 1, system, T-bane]
  • A. Bybanen
    Bybanen is the modern light rail system serving the Norwegian city of Bergen, providing frequent urban and suburban public transport.
  • B. Copenhagen Metro
    Copenhagen Metro is a rapid transit system in Copenhagen, Denmark, known for its driverless trains, frequent service, and extensive underground and elevated lines connecting key parts of the city and suburbs.
  • C. S-train network
    The S-train network is Copenhagen’s electrified suburban rail system that connects the city center with its surrounding metropolitan areas through frequent, high-capacity commuter services.
  • D. Länsimetro
    Länsimetro is a major westward extension of the Helsinki Metro that connects central Helsinki with the neighboring city of Espoo through a series of new underground stations.
  • E. Tvärbanan light rail
    Tvärbanan light rail is a Stockholm-area tramway system that provides cross-city public transit connections between several suburbs and districts outside the central metro lines.
  • 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: T-bane
Triple: [Oslo Metro Line 1, system, T-bane]
Generated description
T-bane is the rapid transit metro system serving Oslo and parts of its surrounding metropolitan area in Norway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: T-bane
Target entity description: T-bane is the rapid transit metro system serving Oslo and parts of its surrounding metropolitan area in Norway.
  • A. Bybanen
    Bybanen is the modern light rail system serving the Norwegian city of Bergen, providing frequent urban and suburban public transport.
  • B. Copenhagen Metro
    Copenhagen Metro is a rapid transit system in Copenhagen, Denmark, known for its driverless trains, frequent service, and extensive underground and elevated lines connecting key parts of the city and suburbs.
  • C. S-train network
    The S-train network is Copenhagen’s electrified suburban rail system that connects the city center with its surrounding metropolitan areas through frequent, high-capacity commuter services.
  • D. Länsimetro
    Länsimetro is a major westward extension of the Helsinki Metro that connects central Helsinki with the neighboring city of Espoo through a series of new underground stations.
  • E. Tvärbanan light rail
    Tvärbanan light rail is a Stockholm-area tramway system that provides cross-city public transit connections between several suburbs and districts outside the central metro lines.
  • 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_69c68a5f04188190ac266569c9280347 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f2279de4819081b8876d02f55388 completed March 27, 2026, 9:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c810fcb1408190a6ed22213bd7830b completed March 28, 2026, 5:33 p.m.
NEDg Description generation batch_69c8119611148190ae72e52242798dfe completed March 28, 2026, 5:36 p.m.
NED2 Entity disambiguation (via description) batch_69c8121126e08190a95ab570569158cf completed March 28, 2026, 5:38 p.m.
Created at: March 27, 2026, 3:09 p.m.