Triple

T17725980

Position	Surface form	Disambiguated ID	Type / Status
Subject	Frankfurt Alte Oper U-Bahn station	`E442461`	entity
Predicate	partOf	`P40`	FINISHED
Object	Line U7 of the Frankfurt U-Bahn	`—`	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: Line U7 of the Frankfurt U-Bahn | Statement: [Frankfurt Alte Oper U-Bahn station, partOf, Line U7 of the Frankfurt U-Bahn]

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

Target entity: Line U7 of the Frankfurt U-Bahn
Context triple: [Frankfurt Alte Oper U-Bahn station, partOf, Line U7 of the Frankfurt U-Bahn]

A. Berlin U-Bahn line U7
Berlin U-Bahn line U7 is one of the city's major underground metro lines, running in a long east–west arc across numerous districts and serving as a key backbone of Berlin’s public transport network.
B. S7 line
The S7 line is a Berlin S-Bahn railway service that runs east–west across the city, connecting key districts and suburbs as part of the German capital’s urban transit network.
C. S7 line
The S7 line is a suburban railway service of the Zürich S-Bahn network that connects the city of Zürich with surrounding municipalities along Lake Zürich.
D. S7 line
The S7 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt am Main region in Germany.
E. U-Bahn line U9
U-Bahn line U9 is a major Berlin U-Bahn line running north–south through the city, connecting several important residential and commercial districts.
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: Line U7 of the Frankfurt U-Bahn
Target entity description: Line U7 of the Frankfurt U-Bahn is a rapid transit route in Frankfurt am Main that connects several key districts and landmarks across the city.

A. Berlin U-Bahn line U7
Berlin U-Bahn line U7 is one of the city's major underground metro lines, running in a long east–west arc across numerous districts and serving as a key backbone of Berlin’s public transport network.
B. S7 line
The S7 line is a Berlin S-Bahn railway service that runs east–west across the city, connecting key districts and suburbs as part of the German capital’s urban transit network.
C. S7 line
The S7 line is a suburban railway service of the Zürich S-Bahn network that connects the city of Zürich with surrounding municipalities along Lake Zürich.
D. S7 line
The S7 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt am Main region in Germany.
E. U-Bahn line U9
U-Bahn line U9 is a major Berlin U-Bahn line running north–south through the city, connecting several important residential and commercial districts.
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_69d8b9ec79688190b86bdcef85a7b3aa`	completed	April 10, 2026, 8:50 a.m.
NER	Named-entity recognition	`batch_69e478e25a80819096289fba4ecb227f`	completed	April 19, 2026, 6:40 a.m.

Created at: April 10, 2026, 10:07 a.m.