Triple

T22183717

Position	Surface form	Disambiguated ID	Type / Status
Subject	Vienna U-Bahn line U4	`E548235`	entity
Predicate	hasStation	`P35`	FINISHED
Object	Kettenbrückengasse 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: Kettenbrückengasse station | Statement: [Vienna U-Bahn line U4, hasStation, Kettenbrückengasse station]

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

Target entity: Kettenbrückengasse station
Context triple: [Vienna U-Bahn line U4, hasStation, Kettenbrückengasse station]

A. Längenfeldgasse station
Längenfeldgasse station is a Vienna U-Bahn interchange station in the Meidling district, serving as a key transfer point between multiple metro lines.
B. Stephansplatz station
Stephansplatz station is a major interchange stop in the Vienna U-Bahn network located beneath Stephansplatz in the historic city center near St. Stephen's Cathedral.
C. Seckbacher Landstraße station
Seckbacher Landstraße station is a public transport stop in Frankfurt am Main, Germany, serving the Seckbach district along the Berger Straße corridor.
D. U-Bahn-Station Stiglmaierplatz
U-Bahn-Station Stiglmaierplatz is an underground metro station in Munich, Germany, serving the Stiglmaierplatz area near the city center.
E. Viktoria-Luise-Platz station
Viktoria-Luise-Platz station is a Berlin U-Bahn station on the short U4 line, serving the Schöneberg district near Viktoria-Luise-Platz square.
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: Kettenbrückengasse station
Target entity description: Kettenbrückengasse station is an underground metro stop on Vienna’s U-Bahn network, serving the central Naschmarkt area in the city’s 4th district.

A. Längenfeldgasse station
Längenfeldgasse station is a Vienna U-Bahn interchange station in the Meidling district, serving as a key transfer point between multiple metro lines.
B. Stephansplatz station
Stephansplatz station is a major interchange stop in the Vienna U-Bahn network located beneath Stephansplatz in the historic city center near St. Stephen's Cathedral.
C. Seckbacher Landstraße station
Seckbacher Landstraße station is a public transport stop in Frankfurt am Main, Germany, serving the Seckbach district along the Berger Straße corridor.
D. U-Bahn-Station Stiglmaierplatz
U-Bahn-Station Stiglmaierplatz is an underground metro station in Munich, Germany, serving the Stiglmaierplatz area near the city center.
E. Viktoria-Luise-Platz station
Viktoria-Luise-Platz station is a Berlin U-Bahn station on the short U4 line, serving the Schöneberg district near Viktoria-Luise-Platz square.
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_69e11e3e0c7c8190b30d278845e2497e`	completed	April 16, 2026, 5:37 p.m.
NER	Named-entity recognition	`batch_69f12aa75440819084cbe9176b9edb47`	completed	April 28, 2026, 9:46 p.m.

Created at: April 16, 2026, 8:35 p.m.