Triple

T5838338
Position Surface form Disambiguated ID Type / Status
Subject T1300 train (historical) E129529 entity
Predicate operatedOn P2572 FINISHED
Object Oslo Metro Sognsvann Line
The Oslo Metro Sognsvann Line is a suburban rapid transit line in Oslo, Norway, running from the city center to the Sognsvann area and serving residential neighborhoods, recreational areas, and the University of Oslo.
 E619463 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 Sognsvann Line | Statement: [T1300 train (historical), operatedOn, Oslo Metro Sognsvann Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oslo Metro Sognsvann Line
Context triple: [T1300 train (historical), operatedOn, Oslo Metro Sognsvann Line]
  • 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 Røa Line
    The Oslo Metro Røa Line is a suburban rapid transit line in Oslo, Norway, connecting the city center with the western neighborhood of Røa and surrounding areas.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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 Sognsvann Line
Triple: [T1300 train (historical), operatedOn, Oslo Metro Sognsvann Line]
Generated description
The Oslo Metro Sognsvann Line is a suburban rapid transit line in Oslo, Norway, running from the city center to the Sognsvann area and serving residential neighborhoods, recreational areas, and the University of Oslo.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oslo Metro Sognsvann Line
Target entity description: The Oslo Metro Sognsvann Line is a suburban rapid transit line in Oslo, Norway, running from the city center to the Sognsvann area and serving residential neighborhoods, recreational areas, and the University of Oslo.
  • 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 Røa Line
    The Oslo Metro Røa Line is a suburban rapid transit line in Oslo, Norway, connecting the city center with the western neighborhood of Røa and surrounding areas.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69c0084af79c81908af128ccc29983d0 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c034a66c448190a6ea7f9827cbffe9 completed March 22, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c71a548f8081909e347a1c7cd4e9fc completed March 28, 2026, 12:01 a.m.
NEDg Description generation batch_69c71afc2e9081909bd633d353a2c487 completed March 28, 2026, 12:04 a.m.
NED2 Entity disambiguation (via description) batch_69c71b5b9b64819089aae86b0b52665c completed March 28, 2026, 12:05 a.m.
Created at: March 22, 2026, 3:54 p.m.