Triple

T22683174
Position Surface form Disambiguated ID Type / Status
Subject Groruddalen E560834 entity
Predicate hasTransportInfrastructure P2560 FINISHED
Object Oslo Metro Ellingsrudåsen branch
The Oslo Metro Ellingsrudåsen branch is a suburban rapid transit line in Oslo that serves the Groruddalen valley and connects its residential districts to the city’s central metro network.
E609931 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: Oslo Metro Ellingsrudåsen branch | Statement: [Groruddalen, hasTransportInfrastructure, Oslo Metro Ellingsrudåsen branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Oslo Metro Ellingsrudåsen branch
Context triple: [Groruddalen, hasTransportInfrastructure, Oslo Metro Ellingsrudåsen branch]
  • A. Oslo Metro Furuset Line
    The Oslo Metro Furuset Line is a rapid transit line in Oslo, Norway, running east from the city center to serve suburban residential districts.
  • B. Oslo Metro Grorud Line
    The Oslo Metro Grorud Line is a rapid transit line in Oslo, Norway, running from the city center through the Groruddalen valley to the northeastern suburbs as part of the city's metro network.
  • C. Oslo Metro Østensjø Line
    The Oslo Metro Østensjø Line is a rapid transit line in Oslo, Norway, connecting the city center with southeastern residential suburbs as part of the city's metro network.
  • D. Oslo Metro Østerås Line
    The Oslo Metro Østerås Line is a suburban rapid transit line in Oslo, Norway, running westward from the city center to the residential area of Østerås as part of the city's T-bane network.
  • E. Oslo Metro Lambertseter Line
    The Oslo Metro Lambertseter Line is one of the city’s suburban rapid transit lines, connecting central Oslo with the Lambertseter residential area as part of the broader Oslo Metro 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: Oslo Metro Ellingsrudåsen branch
Triple: [Groruddalen, hasTransportInfrastructure, Oslo Metro Ellingsrudåsen branch]
Generated description
The Oslo Metro Ellingsrudåsen branch is a suburban rapid transit line in Oslo that serves the Groruddalen valley and connects its residential districts to the city’s central metro network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Oslo Metro Ellingsrudåsen branch
Target entity description: The Oslo Metro Ellingsrudåsen branch is a suburban rapid transit line in Oslo that serves the Groruddalen valley and connects its residential districts to the city’s central metro network.
  • A. Oslo Metro Furuset Line
    The Oslo Metro Furuset Line is a rapid transit line in Oslo, Norway, running east from the city center to serve suburban residential districts.
  • B. Oslo Metro Grorud Line chosen
    The Oslo Metro Grorud Line is a rapid transit line in Oslo, Norway, running from the city center through the Groruddalen valley to the northeastern suburbs as part of the city's metro network.
  • C. Oslo Metro Østensjø Line
    The Oslo Metro Østensjø Line is a rapid transit line in Oslo, Norway, connecting the city center with southeastern residential suburbs as part of the city's metro network.
  • D. Oslo Metro Østerås Line
    The Oslo Metro Østerås Line is a suburban rapid transit line in Oslo, Norway, running westward from the city center to the residential area of Østerås as part of the city's T-bane network.
  • E. Oslo Metro Lambertseter Line
    The Oslo Metro Lambertseter Line is one of the city’s suburban rapid transit lines, connecting central Oslo with the Lambertseter residential area as part of the broader Oslo Metro network.
  • F. None of above.

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_69e2454d71b48190a1f80af9f82b6fcf completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1786204d88190a837a5f04e16e94c completed April 29, 2026, 3:17 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c676dfab48190b8ceb00dbfa455b2 completed May 19, 2026, 1:36 p.m.
NEDg Description generation batch_6a0c72132a608190b44c96de39b7187a completed May 19, 2026, 2:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0c770010308190a0a07b50fdca7d6a completed May 19, 2026, 2:43 p.m.
Created at: April 17, 2026, 3:12 p.m.