Triple

T21513186

Position	Surface form	Disambiguated ID	Type / Status
Subject	U2 (Berlin U-Bahn)	`E530777`	entity
Predicate	hasStation	`P35`	FINISHED
Object	Stadtmitte station	`—`	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: Stadtmitte station | Statement: [U2 (Berlin U-Bahn), hasStation, Stadtmitte station]

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

Target entity: Stadtmitte station
Context triple: [U2 (Berlin U-Bahn), hasStation, Stadtmitte station]

A. St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
B. Embankment station
Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
C. Exhibition Centre station
Exhibition Centre station is an MTR railway station in Hong Kong serving the Wan Chai North area and the nearby Hong Kong Convention and Exhibition Centre.
D. Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
E. Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
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: Stadtmitte station
Target entity description: Stadtmitte station is a central Berlin U-Bahn station serving as an important interchange point in the city’s downtown area.

A. St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
B. Embankment station
Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
C. Exhibition Centre station
Exhibition Centre station is an MTR railway station in Hong Kong serving the Wan Chai North area and the nearby Hong Kong Convention and Exhibition Centre.
D. Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
E. Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
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_69e0c45c81f08190a6b8bbb70a45aae7`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69e9ea88e6fc8190a4b73b8d32dae5a8`	completed	April 23, 2026, 9:46 a.m.

Created at: April 16, 2026, 6:25 p.m.