Triple
T22183707
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vienna U-Bahn line U4 |
E548235
|
entity |
| Predicate | usesInfrastructureOrigin |
P126627
|
FINISHED |
| Object | Vienna Stadtbahn |
—
|
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: Vienna Stadtbahn | Statement: [Vienna U-Bahn line U4, usesInfrastructureOrigin, Vienna Stadtbahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vienna Stadtbahn Context triple: [Vienna U-Bahn line U4, usesInfrastructureOrigin, Vienna Stadtbahn]
-
A.
Vienna Stadtbahn
chosen
The Vienna Stadtbahn was a historic urban rail network in Vienna, Austria, designed in the late 19th century (with notable contributions by architect Otto Wagner), parts of which were later integrated into the city’s modern U-Bahn and S-Bahn systems.
-
B.
Vienna S-Bahn
The Vienna S-Bahn is a suburban rail network serving Vienna and its surrounding regions, providing frequent commuter connections that integrate with the city’s public transport system.
-
C.
Vienna U3 line
The Vienna U3 line is a major east–west underground metro line in Vienna’s U-Bahn network, connecting key central and outer districts across the city.
-
D.
Vienna U-Bahn network
The Vienna U-Bahn network is the rapid transit system serving Austria’s capital, consisting of multiple underground lines that form the backbone of public transportation in Vienna.
-
E.
Vienna U1 line
The Vienna U1 line is one of the main lines of the Vienna U-Bahn rapid transit system, running in a north–south direction and connecting several key districts and transport hubs across the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usesInfrastructureOrigin Context triple: [Vienna U-Bahn line U4, usesInfrastructureOrigin, Vienna Stadtbahn]
-
A.
usesInfrastructure
Indicates that one entity makes use of, depends on, or operates through the infrastructure provided or managed by another entity.
-
B.
infrastructureOrigin
chosen
Indicates that an infrastructure asset originates from, was created by, or is derived from a specified source or location.
-
C.
usesInfrastructurePreviouslyOwnedBy
Indicates that one entity makes use of infrastructure that was formerly owned by another entity.
-
D.
supportsInfrastructure
Indicates that one entity provides resources, services, or capabilities that enable the operation, maintenance, or development of another entity’s infrastructure.
-
E.
originUse
Indicates that one entity is used as the original source, basis, or starting point for the creation, derivation, or use of another entity.
- F. None of above.
Provenance (3 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. |
| PD | Predicate disambiguation | batch_69e71b48576c8190a8e93738fd9cfda5 |
completed | April 21, 2026, 6:38 a.m. |
Created at: April 16, 2026, 8:35 p.m.