Triple

T22386991

Position	Surface form	Disambiguated ID	Type / Status
Subject	Oslo Sporveier	`E553419`	entity
Predicate	operated	`P1688`	FINISHED
Object	Oslo trolleybus system (historical)	`—`	NE NERFINISHED

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: Oslo trolleybus system (historical) | Statement: [Oslo Sporveier, operated, Oslo trolleybus system (historical)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Oslo trolleybus system (historical)
Context triple: [Oslo Sporveier, operated, Oslo trolleybus system (historical)]

A. Oslo Tramway
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
B. Oslo Tramway line 19
Oslo Tramway line 19 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
C. Oslo Tramway line 18
Oslo Tramway line 18 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
D. Oslo Tram line 11
Oslo Tram line 11 is a public tram route in Oslo, Norway, that runs through several city districts including Nordre Aker as part of the city’s urban transit network.
E. Oslo Tram SL95
The Oslo Tram SL95 is a high-floor, bi-directional tram model used in Oslo’s light rail network, known for its large capacity and distinctive articulated design.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Oslo trolleybus system (historical)
Target entity description: The Oslo trolleybus system was a former electric trolleybus network in Norway’s capital that operated throughout much of the 20th century as part of the city’s public transport infrastructure.

A. Oslo Tramway
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
B. Oslo Tramway line 19
Oslo Tramway line 19 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
C. Oslo Tramway line 18
Oslo Tramway line 18 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
D. Oslo Tram line 11
Oslo Tram line 11 is a public tram route in Oslo, Norway, that runs through several city districts including Nordre Aker as part of the city’s urban transit network.
E. Oslo Tram SL95
The Oslo Tram SL95 is a high-floor, bi-directional tram model used in Oslo’s light rail network, known for its large capacity and distinctive articulated design.
F. None of above. chosen

Provenance (2 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_69e11e4cf87c8190a1ff474daec326b7`	completed	April 16, 2026, 5:37 p.m.
NER	Named-entity recognition	`batch_69f158304bcc81908c4c5db09a246bcc`	completed	April 29, 2026, 1 a.m.

Created at: April 16, 2026, 8:45 p.m.